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    25.8kV Polymer Insulated Fault Interrupters

    for Overhead Line

    Users Manual

    2011.07. V1.00

    ENTEC E&E CO., LTD

    78-2 Buncheon-ri Bongdam-eup Hwaseong-city Gyunggi-do Korea 445-894

    TEL : (031)299-8400 FAX : (031)299-8402

    Copyright 2011 by ENTEC ELECTRIC & ELECTRONIC CO., LTD all right reserved. Forerunner Distribution & Automation

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    ENHANCEDTECHNOLOGY ii

    TABLE OF CONTENTS

    1. Introduction ................................................................................................................ 12. Ratings and Specification ........................................................................................... 23. Function and Characteristic ...................................................................................... 3

    3.1. Overcurrent Trip Function................................................................................................. 33.2. Inrush Current Suppressing Function ................................................................................ 33.3. Line Current and Live Wire Display Function .................................................................. 43.4. Simple Function Adjustment ............................................................................................. 43.5. Battery Over Discharge Protection ................................................................................... 4

    4. Control Setting ............................................................................................................ 54.1. Setting the Minimum Operating Current .......................................................................... 5

    4.1.1. Minimum Operating Current Values ....................................................................... 54.1.2. Setting the Curve ..................................................................................................... 5

    4.2. Setting Inrush Current Suppression .................................................................................. 55. Operation Description, Function Test, and Method ......................................................................... 6

    5.1. Operation Description ....................................................................................................... 65.2. Operation Function Test .................................................................................................... 6

    5.2.1. Minimum Operation Current Test ........................................................................... 65.2.2. Inrush current Suppression Test (0.5 sec. SET status)............................................. 6

    5.3. Operation Method ............................................................................................................. 75.3.1. Manual Control ....................................................................................................... 75.3.2. Auto Control ............................................................................................................ 7

    6. Name and Description ................................................................................................ 86.1. Fault Interrupter Main Unit ............................................................................................... 86.2. Control Box ....................................................................................................................... 9

    6.2.1. Dimension ............................................................................................................... 96.2.2. Structure ................................................................................................................ 10

    6.3. Control Panel................................................................................................................... 116.3.1. Close/Trip Control ................................................................................................. 126.3.2. Status Indicator ...................................................................................................... 12

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    ENHANCEDTECHNOLOGY ii i

    6.3.3. Battery Test............................................................................................................ 126.3.4. Side Panel .............................................................................................................. 126.3.5. LCD Control .......................................................................................................... 13

    6.3.6. LCD Menu Structure and Default Setting ............................................................. 15

    7. Unpacking and Transport ........................................................................................ 24

    7.1. Unpacking ....................................................................................................................... 247.2. Transport ......................................................................................................................... 24

    8. Fault InterrupterInstallation ................................................................................. 248.1. Manual Tripping and ClosingTest .................................................................................. 248.2. Auto Switch Operation Test ........................................................................................... 248.3. Pre-installation Precautions ............................................................................................. 248.4. Fault Interrupter Installation ........................................................................................... 258.5. Cable Installation ............................................................................................................ 25

    9. Inspection and Maintenance .................................................................................... 269.1. Battery Check and Replacement .................................................................................... 26

    9.1.1. Battery Check ........................................................................................................ 269.1.2. Battery Replacement ............................................................................................. 26

    9.2. Periodic Checks............................................................................................................... 269.3. Checklist for When Malfunction Occurs ........................................................................ 27

    10. Pole Diagram ........................................................................................................... 2811. Circuit Diagram ...................................................................................................... 2912. Time Current Curve ............................................................................................... 30

    12.1. Standard curve ............................................................................................................... 3012.1.1. ANSI/IEEE .......................................................................................................... 3012.1.2. IEC ...................................................................................................................... 3012.1.3. ESB ..................................................................................................................... 3012.1.4. Definite Time .......................................................................................................3112.1.5. Reset Time ........................................................................................................... 31

    12.2. Non-standard Curve ...................................................................................................... 3112.2.1. McGraw-Edison Recloser Curves ...................................................................... 3112.2.2. Power Research Curve ....................................................................................... 32

    12.3. T-C Curve ...................................................................................................................... 3212.3.1. ANSI/IEEE Moderately Inverse Curves (ANSI-NI) .......................................... 33

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    ENHANCEDTECHNOLOGY iv

    12.3.2. ANSI/IEEE Very Inverse Curves (ANSI-VI) .................................................... 34 12.3.3. ANSI/IEEE Extremely Inverse Curves (ANSI-EI) ............................................ 3512.3.4. IEC Normally Curves (IEC-NI) ......................................................................... 36

    12.3.5. IEC Very Inverse Curves (IEC-VI) .................................................................... 3712.3.6. IEC Extremely Inverse Curves (IEC-EI) ............................................................ 3812.3.7. KEPCO Normally Inverse Curves (ES-NI) ........................................................ 3912.3.8. KEPCO Very Inverse Curves (ES-VI) ................................................................4012.3.9. Definite Time Curves (D1(DEF-1S), D2(DEF-10S)) ......................................... 4112.3.10. Power Research Curves (N1, N2, N3, N4) ....................................................... 4212.3.11. Non Standard Curves (A, B, C, D, E)................................................................ 4312.3.12. Non Standard Curves (K, L, M, N) ................................................................... 4412.3.13. Non Standard Curves (P, R, T, V) ..................................................................... 45

    12.3.14. Non Standard Curves (W, Y, Z) .........................................................................46

    12.3.15. Non Standard Curves (1, 2, 3, 4, 5) ................................................................... 4712.3.16. Non Standard Curves (6, 7, 8, 8*, 9) ................................................................. 4812.3.17. Non Standard Curves (11, 13, 14, 15, 16, 17, 18) ............................................. 49

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    1NHANCEDTECHNOLOGY

    1. Introduction

    This device is installed in the branch point of multiple earth neutral 22.9kV-Y system with load

    capacity below 16MVA of main line, branch line, or feeder to protect and cooperate with other

    protection devices (CB, Recloser, etc.) in case of fault by tripping precisely the fault section and

    preventing the spread of the fault thus minimizing the damage. In addition, it is easy to check

    the operation status as there is a built-in load current monitoring system and live line status

    indicator.

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    2. Ratings and Specif ication

    [Table 2-1] Rating and Specification

    ITEM RATING

    Environment

    Condition

    Ambient Temperature -30C ~ 40C

    Altitude below 1,000M

    Rated voltage [kV] 25.8

    Rated current [A] 400

    Rated frequency [Hz] 50/60

    Rated Short Time

    Current

    Instantaneous 15 kA

    1Sec. 12.5 kA10Sec. 3.5 kA

    Rated Making Current 32.5 kA(Peak)

    Rated breaking current 12.5 kA

    Power Frequency

    Withstand Voltage

    Dry 60 kV / 1 min

    Wet 50 kV / 10 sec

    Impulse withstand voltage 1.250s, 150 kV

    Min. pickup currentPhase

    Ground

    Insulation Method

    Control PowerBattery

    DC 24 V (12V7.0AH*2EA)

    50 times or 24 hours operation at the fully charged

    battery

    External Power AC 220 V / 20 VA, Max.200 VA

    Control box internal

    ambient Test

    Power frequency withstand

    voltage2kV/1min

    Impulse withstand voltage

    IEEE C62.45

    Voltage Waveform : 6kV,1.2/50s

    Current Waveform : 3kA,8/20s

    Surge withstand capabilityEFT/BURST Test: 4 kV(2.5 Hz)

    Oscillatory SWC Test: 2.5 kV(1 MHz)

    OFF, 10 ~ 630 A, 1A Step

    OFF, 2 ~ 315 A, 1A Step

    Solid Type

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    3. Function and Characteristic

    During operation, when the current is above the minimum operating current, then the fault

    interrupter can auto disconnect as is the characteristic of the T-C in power outage and when

    auxiliary relays are first released, then the T-C can be tripped regardless of its characteristic. It

    is suitable for usage in areas of high voltage use as well as areas of frequent lightning discharge

    and has the following features.

    3.1. Overcurrent Trip Funct ion

    This fault interrupter has function to detect over current and auto disconnect the fault zone while

    the auxiliary relays are released, as well as time-setting functions, OCR Trip and OCGR Trip, to

    cooperate with the operations of the auxiliary safety devices.

    The circuit breaker can be set to not trip for a set period of time so that it does not malfunction

    due to the generated inrush current while being installed for the first time or being closed into

    existing grid line.

    After tripping the circuit breaker, if closed before the set Outage Timethen this function will

    not operate but after the Outage Timehas passed and is closed, then this function will operate

    normally. In addition, while the circuit breaker is closed, the backup (CB & REC) becomes

    diagonal and if the backup recloses the live wires before the outage time' expires, then this

    function will not activate.

    3.3. Inrush Current Restraint Function

    3.2. Under Frequuency Relay (81)

    The under frequency relay function element is activated to trip CB ( Circuit Breaker PMCB) .

    when the distribution system frequency drops below a specified frequency pickup value -

    setting (UFR Value Setting). For closed the CB ( Normalize the power line system ) push

    the button close local functions from sides panel.

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    Inrush Current Restraint Function Operation Condition

    in case of Dead line to Live line

    3.4. Line Current and Live Wire Display Function

    Simple to use as each phase current (A, B, C, N) is displayed on the control box LCD display as

    well as a lamp that indicates the live wire state of the main voltage side (Phase A).

    3.5. Simple Function Adjustment

    Minimum operating current, overcurrent lock, and other adjustments can be made easily

    through the LCD menu on the control box.

    3.6. Battery Over Discharge Protection

    Before the over discharge of the battery due to the loss of AC power, the whole system will

    disconnect to prevent damage from over discharge and will resume normal operation only after

    AC power is reapplied.

    Closed Breaker

    Signal

    Cold Load Pickup

    Active

    Breaker Close

    Breaker Trip Breaker Close

    Cold Load Pickup Reset

    Cold Load Pickup

    Outage Time

    Cold Load Pickup

    Outage Time

    Inrush Time

    Breaker Trip

    Cold Load Pickup Reset

    Inrush Current Restraint Function Operation Condition

    in case of Circuit Breaker close

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    4. Control Setting

    The control setting method of the fault interrupter is as follows.

    4.1. Setting the Minimum Operating Current

    Minimum operating current can be easily set through the LCD menu.

    4.1.1.Minimum Operating Current Values

    Minimum operating current value is derived from setting it to 1.3 times the maximum load

    current and in case of ground circuit, typically set at around 40% of the rated current. The

    following is an example using a 1000KVA transformer.

    1000

    22.9 3 1.3 .

    1000KVA Rated Current = 25.2A / Short Circuit Min Operating Current: 25.2*1.3 times=32.76

    1000

    22.9 3

    1.3 . 1000KVA Rated Current = 25.2A / Ground Circuit Min Operating Current: 25.2 * 40% = 10.08

    Short Circuit Min Operating Current Value: 35A

    Ground Circuit Min Operating Current Value: 10A

    4.1.2.Setting the Curve

    For faster operation of high-current and coordination with transformer station, IEC-VI and IEC-

    EI are recommended.

    4.2. Setting Inrush Current Suppression

    Inrush suppression time and outage time can easily be set by the LCD menu on the control box.

    Inrush suppression time and outage time are 0.5 seconds and 0/1 second by default.

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    5. Operation Description, Function Test and Method

    5.1. Operation Descr iption

    If auxiliary relays demonstrate delayed action to the fault current that is greater than the

    minimum operating current, the fault interrupter has quick RESPONSE TIME and will remove

    most faults on its own. Also, depending on the setting of the auxiliary relays and the fault is

    removed, then tripping function will activate as an added measure.

    5.2. Operation Function Test

    This fault interrupter setting is fully completed and tested prior to being shipped out.

    5.2.1. Minimum Operation Current Test

    Operation within 10% of the minimum operating current value.

    5.2.2.Inrush current Suppression Test (0.5 sec. SET status)

    If the current is blocked within 0.45 seconds of going above the minimum operating current, the

    trip will not activate.

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    5.3. Operation Method

    5.3.1.Manual Control

    (1) Close: Pull down the close lever (red) located on the right side of the main box 1 time.

    (2) Trip: Pull down the trip lever (green) located on the left side of the main box 1 time.

    . Note) Take caution when pulling the lever as to not exert too much force and cause damage

    to the device.

    5.3.2.Auto Control

    First, connect the fault interrupter to the control box with control cables. Open the control box

    and check the battery status. Make sure it is over 24V DC. [If the battery is depleted, recharge it

    by connecting it to the battery jack].

    (1) Close: Press the close button.

    (2) Trip: Press the trip button.

    (3) Set the values of the control box to accommodate user's needs.

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    6. Name and Description

    6.1. Fault Interrupter Main Body

    Fault Interrupter Main Body Drawing

    (1) Manual Close Lever(Close)_Red

    When installed, close can be done with the manual close lever by pulling it down with the

    control hook.

    (2) Manual Trip Lever (Trip)_Red

    After close, the manual trip lever can be pulled down with the control hook, thus tripping it.

    If too much pressure is applied, device may get damaged.

    (3) Status Indicator

    Display whether the fault interrupter is in trip or closed status.

    (4) Manual Close Device

    If the hook is pulled down while in close or trip status, machine close is not possible.

    (5) Polymer Housing

    Take caution as the Epoxy material is susceptible to damage from external shock.

    CLOSE HANDLE

    OPEN HANDLE

    POLYMER HOUSING

    HANDLE LOCKING

    INDICATOR3

    2

    5

    1

    4

    0 0 0 0 1

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    6.2. Control Box

    6.2.1.Dimension

    Control Box Dimension

    17

    R8.5R13

    17

    380

    443

    160

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    6.2.2.Structure

    Control Box Structure

    (1) Battery: DC24V(12V7.0AH 2units), Dimension: L151*W65*H94.5(100)

    (2) Battery NFB: 6A

    (3) AC NFB: 6A

    (4) AC FUSE: 2A30mm (Slow blow type)

    (5) Power TR: AC220V/24V

    (6) DIGITAL RELAY : ETMFC50

    (7) DIGITAL UFR RELAY

    AC BATTERYAC FUSE

    ETMFC50

    V+ V- V+ V-

    MODULE

    CONTROL

    AC POWER

    CONNECTOR

    CONNECTOR

    EARTH

    TERMINAL

    DIGITAL

    BATTERY

    POWER SWITCH

    POWER & CHARGER

    BATTERY TEST

    RELAY

    --

    DIGITAL

    UFR

    IGITAL UFR

    DIGITAL UFR

    HZ

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    (8) Power connector: MS22-2P (A: voltage side, B: ground side, C: Not in use)

    *. Power cable: 8meter long, female connector on one end, peeled on the other

    (9) Control connector: MS28-22S

    * Control Cable: 8meters long, female connector

    6.3. Control Panel

    RELAY ETMFC50 PANNEL

    BATTERY TEST PANNEL

    ENT

    SEL

    FUN

    ESC

    A FAULT

    B FAULT

    C FAULT

    N FAULT

    RESET

    LAMP TEST

    OPENCLOSE

    RUN

    S1 LIVE

    ETMFC50-01E

    SEC TRIP

    23.4 72

    185

    174

    4-?5

    .5122100

    154

    S1_CAL

    S2_CAL

    IA

    IB

    IC

    A02

    A04

    A03

    A05

    A06

    IG

    A07

    A08

    B02

    B01

    B03

    B04

    05

    03

    02

    IN01

    04

    COM

    IN08

    07

    06

    OUT01

    OUT02

    OUT03

    OUT04

    C01

    C02

    C03

    C04

    C05

    C06

    C07

    C08

    C09

    C10

    D01

    D02

    D03

    D04

    D05

    D06

    D07

    D08

    E01

    E02

    E03

    E04

    POWER

    S1

    S2

    COM

    FG

    FG

    +A01

    +

    +

    +

    +

    +

    +

    +

    ZG

    N

    PS1_CAL

    S2_CAL

    PORT1(RS23

    2)

    MULTIFUNCTIONCONTROL

    ETMFC50-01

    OUT01/02:24V/16A,03/04:5A

    DC24V(18~32V)/3.5W(Max.5W)

    CT:1A,VT:

    6.Password

    >7.Pactory Debug

    >2.Metering

    [ Menu Screen]

    >3.Status

    >4.Count

    FUN

    ESC

    Data Chk...OK

    Event Chk.....OK

    >5.Event

    [ Booting Screen ]

    LCD Initial Menu UFR

    HZ

    HZ

    DIGITAL UFR

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    6.3.6.LCD Menu Structure and Default Setting

    LCD Menu

    [MAIN MENU] >1.Setting >1.System

    >2.Protection

    [INRUSH TIME]

    >Inrush-T : 0.5

    Outage-T : 0.1

    >6.PasswordNEW PASSWORD

    0000

    >7.Factory Debug

    >2.Metering

    >*.Save Setting

    >1.System Config[OUTPUT TIME]

    >OUTPUT1: 0.05

    OUTPUT2: 10.00

    OUTPUT3: BUFFER

    OUTPUT4: BUFFER

    >2.Output Time

    [OTHER ELEMENT]

    >Panel Sleep: 5

    Remote: DISABLE

    >7.Other Element

    >1.Pro. Control

    [PRO. CONTROL]

    >Protect.: ON

    G-Pro.: ON

    Section: ON[51P:Time OC-P]

    >Pickup(A): 200Curve: B(117)

    Time Dial: 1.00

    Time Add.: 0.00

    M.R.T: 0.00

    >2.51P:Time OC-P

    [51P:Time OC-G]

    >Pickup(A): 100

    Curve: B(117)

    Time Dial: 2.00

    Time Add.: 0.00

    M.R.T: 0.00

    >3.51G:Time OC-G

    >7.Inrush Time

    >3.Status >1.Input Status

    [OPERATION]

    Count: 0>1.Oper. Count

    [50P:INST OC-P]

    >Pickup(A): 3500

    T-Delay: 0.00

    >4.50P:Inst OC-P

    [50P:INST OC-G]

    >Pickup(A): 1750

    T-Delay: 0.00

    >5.50G:Inst OC-G

    [OUTPUT SIGNAL]

    >OUTPUT3: OCR

    OUTPUT4:LOCKOUT

    >3.Output Signal

    >6.Section

    [SECTION]

    >Block I: NONE

    Operate Cnt: 1

    Reset Dly: 3.0

    Open Dly: 0

    >4.Count

    [FAULT]

    OCR: 0

    LOCKOUT: 0

    >2.Fault Count

    [COUNT RESET]

    >1.Oper. Count

    2.OCR Count

    3.LOCKOUT Count

    4.All Count

    >*.Count Reset

    [OUTPUT STATUS]

    OUTPUT1: LOW

    OUTPUT2: LOW

    OUTPUT3: LOW

    OUTPUT4: LOW

    >*.Wear Reset

    [SYSTEM CONFIG]

    >CT Ratio: 1000

    Frequency: 60

    TCC Offset: 40

    * *

    *

    *

    *

    [AVER LOAD I]

    >Set Time : 15>4.Aver Load I

    >1.Now Metering

    >2.Max Demand I.

    >*.Reset Demand

    [METERING]

    Ia[A]: 0Ib[A]: 0

    Ic[A]: 0

    In[A]: 0

    Vref[V]: 1.50[Max Demand I.]

    Ia[A]: 0

    Ib[A]: 0

    Ic[A]: 0

    In[A]: 0

    >5.Event >1.Event View

    >*.Event Reset

    [OPER. COUNT]

    >Reset Cnt: 0>5.Oper. Count

    [CONTACT WEAR]

    >A Wear: 100.00

    B Wear: 100.00

    C Wear: 100.00

    >6.Contact Wear

    >2.Output Status

    [CONTACT WEAR]

    A Wear: 100.00

    B Wear: 100.00

    C Wear: 100.00

    >3.Contact Wear

    [INPUT STATUS]

    INPUT1: HIGH

    INPUT2: HIGH

    ...

    INPUT11: HIGH

    INPUT12: HIGH

    . NOTE * Checked menu is a main setting menu of the breaker.

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    (1) Setting

    1) System Settings

    CT Ratio Sets the current CT ratio.

    Range: 1~1200 (1 Increment, Default: 500)

    . Note) This setting must match that of the CT as it affects directly the

    performance of the fault interrupter. Factory default setting

    strongly recommended.

    Frequency

    Set the grid frequency.

    Range: 50Hz, 60Hz (Default: 60Hz)

    TCC Offset

    Set the time for the relay to activate after overcurrent has set off the fault

    interrupter.

    Range: 0~100msec (1msec Increment, Default: 40msec)

    Panel Sleep

    Set the amount of idle time required to go into sleep mode. In the set

    amount of time, if no buttons are pressed, the panel will go into sleep

    mode. Range: 0(OFF), 1~100min. (1min. Increment, Default: 5min.)

    Remote

    Set the remote communication settings for SCADA.

    Range: ENABLE, DISABLE (Default: DISABLE)

    . Note) In case of ENABLE, IN06: TRIP Order, IN07: CLOSE Order,

    IN08: RESET Order is available.

    2) Set the OUTPUT signal

    OUTPUT Time

    Set the time for the PULSE signal to output. However, if the setting is

    0(Buffer), OUTPUT signal will occur when the required conditions are

    met.

    Range: 0(BUFFER), 0.01~60.00sec (0.01sec Step)

    OUT01 : Fixed output setting that will output for the set time or until trip

    when trip command is received. (Default: 0.05sec)

    OUT02 : Fixed output setting that will output for the set time or until close

    when close command is received. (Default: 10.00sec)

    OUT03, OUT04 : Not used.

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    OUTPUT Signal

    Set the Output signal of OUTPUT3 and OUTPUT4.

    Set OUT3: OCR

    Range of OUT4: LOCKOUT

    - NONE: Stop used

    - OCR: In case of Overcurrent Trip (51P,51G,50P,50G)

    - OCR51: In case of Lagging Overcurrent Trip (51P,51G)

    - OCR50: In case of Instantaneous Overcurrent Trip (50P,50G)

    - LOCKOUT: In case of Short Trip

    - CLOSED: Fault Interrupter close

    - TRIPPED: Fault Interrupter trip

    - ALARM: System error

    - NORMAL: System Normal

    3) Default Settings

    Oper. Count (Initializing No. of operations)

    Used to match up the number of operation on the control box and main

    box.

    MAIN MENU/ 4. Count/ *. Count Reset" Initializing the operation

    count using the menu, will revert back to the factory default setting.

    Range: 0~10000 (1 Increment, Default: 0)

    Contact Wear (Initializing Contact Life)

    Used to match up the contact life on the control box and main box.

    Initial contact life can be set as A, B, or C.

    MAIN MENU/ 3. Status/ *. Wear Reset" Initializing the contact life

    through the menu, will revert back to the factory default setting.

    Range: 0.00~100.00% (0.01% Increment, Default: 100.00%)

    4) Protection Settings

    Protection Control

    Protection: Select whether to use short-circuit and ground overcurrent.

    - Range: ON, OFF (Default: ON)

    Ground Protection: To use ground overcurrent, "Protection" must be set

    ON.

    - Range: ON, OFF (Default: ON)

    Section: Set whether to use section function.

    - Range: ON, OFF (Default: ON)

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    51P: Time OC-P (Short-delayed overcurrent elements)

    Pickup: Set the Pickup Current.

    - Range: 0(OFF), 10~630A (1A Increment, Default: 200A)

    Curve: Set the T-C Curve characteristic.

    - Range: Total 46 settings (Default: B(117))

    Time Dial: Set the T-C Time constant multiplication of the curve

    characteristic.

    - Range: 0.05~15.00 (0.01 Increment, Default: 1.00)

    Time Add.: Set the T-C Curve characteristic additional time.

    - Range: 0.00~10.00sec (0.01sec Increment, Default: 0.00sec)

    M.R.T: Set the Minimum Respond Time.

    - Range: 0.00~10.00sec (0.01sec Increment, Default: 0.00sec)

    51G: Time OC-G (Ground Delay Overcurrent elements)

    Pickup: 0(OFF), 2~315A (1A Increment, Default: 100A)

    Curve: Total 46 types (Default: B(117))

    Time Dial: 0.05~15.00 (0.01 Increment, Default: 2.00)

    Time Add.: 0.00~10.00sec (0.01sec Increment, Default: 0.00sec)

    M.R.T: 0.00~10.00sec (0.01sec Increment, Default: 0.00sec)

    50P: Inst OC-P (Short instantaneous overcurrent elements)

    Pickup: Set the Pickup current.

    - Range: 0(OFF), 10~10000A (5A Increment, Default: 3500A)

    T-Delay: Set the time delay.

    - Range: 0.00~10.00sec (0.01sec, Default: 0.00sec)

    50G: Inst OC-G (Ground instantaneous overcurrent elements)

    Pickup: 0(OFF), 10~10000A (5A Increment, Default: 1750A)

    T-Delay: 0.00~10.00sec (0.01sec, Default: 0.00sec)

    Section

    Block I: Sets the Over-current Lock current.

    -NONE Setting: Section function uses the minimum operating current

    setting of the overcurrent protection element and will operate normally

    regardless of the fault current.

    - Set Value: If the electrical current is higher than the set value, the

    overcurrent protection element is blocked and the section function will

    activate. It is used to control sectionalizer with low block rating.

    -

    Range: 0(NONE), 100~10000A (10A Increment, Default: NONE)

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    Operate Cnt: Set the number of operations of the Section.

    - Block I counts the number of times no electricity after fault above the

    set current is experienced and when the count is equal to the set value,

    then after the "trip delay" time has passed, short trips. If it becomes live

    wire before the Trip delay time has passed, then it does not trip.

    However, if Block I is set to "NONE" then the minimum operating

    current is used as the standard.

    - Range: 1~4 (1 Increment, Default: 1)

    Reset Dly: Set the reset period of the section operation. After the section

    operation number has been reached, live wire is resumed, and no fault is

    experienced then the section operation count is reset to zero.

    - Range: 0.0~180.0sec (0.1sec Increment, Default: 3.0sec)

    Trip Dly: Set the delay time of the built up charge. Instead of releasing thebuilt up charge caused by the section operation right away, it is released

    only after no electricity is detected for the set time.

    - Range: 0.0~180.0sec (1sec Increment, Default: 0sec)

    Inrush Time

    Set the inrush current suppression.

    Inrush-T: Set the inrush current suppression time.

    - Range: 0.0~5.0sec (0.1sec Increment, Default: 0.5sec)

    Outage-T: Set off the inrush current suppression (Outage) time.- Range: 0.0~180.0sec (0.1sec Increment, Default: 0.1sec)

    5) Save Setting: Used to save the set values.

    (2) Metering

    1)Now Metering: Displays the present measured values of the fault interrupter.

    Ia[A]: Displays the measured current in A.

    Ib[A]: Displays the measured current in B.

    Ic[A]: Displays the measured current in C. In[A]: Displays the measured current in N.

    Vref[V]: Displays the inner reference voltage. The reference voltage is 1.5V.

    . Current below 2A is displayed as 0A.

    2) Max Demand I.: Displays the maximum value of the measured average load.

    Ia[A]: Displays the maximum value of the measured average load of A.

    Ib[A]: Displays the maximum value of the measured average load of B.

    Ic[A]: Displays the maximum value of the measured average load of C.

    In[A]: Displays the maximum value of the measured average load of N.

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    3) Reset Demand: Reset the maximum value of the average load current to zero.

    (3) Status

    1) INPUT Status: Displays the input status(IN01~IN12).

    2) OUTPUT Status: Displays the output status(OUT01 ~ OUT04).

    (4) Count

    Display the Count information of the fault interrupter.

    1) Operation Count: Once tripped, counted up as the operation count of the fault

    interrupter.

    2) Fault Count: Displays the number of fault trip of the fault interrupter.

    OCR: Displays the number of trips caused by overcurrent.

    LOCKOUT: Displays number of trips caused by built up charge.

    3) Count Reset

    Operation Count Reset: Resets operation count to 0.

    OCR Count Reset: Resets OCR count to 0.

    LOCKOUT Count Reset: Resets LOCKOUT count to 0.

    All Count Reset: All counters are reset to 0.

    (5) Event

    Record events that occur during the booting or operation of the fault interrupter.

    Events are divided and analyzed as fault, diagnosis, and system events.

    Events are recorded chronologically up to 20 events.

    In the event that there are more events, then the oldest is recorded over.

    [] and [] buttons can be used to check the occurred events.

    1) Event View

    Event Menu

    Indicates the type of event occurred.

    SYST' Evt: System Event

    DIAG' Evt: Diagnostic Event

    FAULT Evt: Fault Event

    SYSTEvt[ 1/20]Target: SYSRST

    [ /20]Target:

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    . Note) On the Fault Event screen, press [ENT] button and the current value

    at the time of the fault is displayed. Push [ENT] button again to

    return to the event indication screen.

    Displays the order of the events, with the highest number indicating the latest

    occurred event.

    Displays the details of the occurred events.

    SYST' Evt

    - SYSRST : System Restart

    DIAG' Evt

    - DOPF : Output Circuit Power Error

    - QFULL : Operation buffer cue full

    -

    EEPROMF: EEPROM Error- PARAMF : Outside set parameter value

    - RAMF : RAM Error

    - DATAF : Stored average load current and counter data error

    - EVTF : Stored Event Data Error

    FAULT Evt

    - 51PF : Short Delay Overcurrent Trip Occurrence

    - 51GF : Ground Delay Overcurrent Trip Occurrence

    - 50PF : Short Instantaneous Overcurrent Trip Occurrence

    - 50GF : Ground Instantaneous Overcurrent Trip Occurrence- LOCKOUT: Section trip occurrence

    2) Event Reset: Deletes all saved events.

    (6) Password

    Change the password.

    (7) Factory Debug

    Manufacturer's maintenance menu. Inaccessible to the user.

    Displays the details of the UFR

    Parameters

    Settings

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    7. Unpacking and Transport

    7.1. Unpacking

    (1) Prior to unpacking, check for possible damage.

    (2) After unpacking, check for damage on the fault interrupter.

    (3) Check the name plate on the product to make sure it matches the packaging marking.

    7.2. Transpor t

    (1) To lift the fault interrupter, firmly secure the wire rope to the 4 transport hooks and use a

    crane.

    (2) Make sure to place the product on firm level ground.

    (3) When placing on the ground, take care to place it gently as strong impact could cause

    damage.

    8. Fault InterrupterInstallation

    8.1. Manual Tripping and ClosingTestPull down the right side of the manual close handle to close the fault interrupter and pull the

    green trip lever to trip. Repeat 4~5 times to check the operation of the mechanics.

    8.2. Auto Switch Operation Test

    (1) Press the close button then about 6 seconds later, fault interrupter is closed. Push the trip

    button for immediate effect.

    (2) Factory packaging of the fault interrupter includes the main unit, control box, power cable,

    connector cable, and installation bracket.

    8.3. Pre-installation Precautions

    (1) After unpacking and while being transported, make sure that there is no damage.

    (2) Install at level.

    (3) Make sure there is no power when installing. [Electrocution prevention]

    (4) Securely place the ground. [Ground terminal 22 38 wire access]

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    8.4. Fault Interrupter Installation

    When installing on pole fittings, use the set hooks to lift and attach to the arm by firmly

    securing the hanger bar, bolts, and clamps.

    Properly connect the ground cable to the ground terminal of the main unit and the control box.

    Properly connect the control cable to the receptacle on the bottom of the main unit.

    Prior to operation, turn on all the control panel switches and verify that the trip/close status

    indicator light works and correct the phase current and ground current

    8.5. Cable Installation

    (1) Power Cable: MS22-2

    *. A: voltage side (white), B: ground side (Black).

    (2) Control Box Connector: MS28-22

    *. Control Cable: 8 meters long, distinguish the male and female connector then connect

    the male side to the control and female side to the aluminum main unit until both are

    firmly connected all the way in. When connecting, gently shake the unit and not the

    cable as shaking the cable may cause break in the connector cable.

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    9. Inspection and Maintenance

    The frequency of the inspection depends on the pollution level and the number of auto

    and manual break occurred in the fault interrupter. If no fault current is detected then it

    will trip automatically and the next point should be inspected. Inspections must be done

    periodically.

    9.1. Battery Check and Replacement

    9.1.1.Battery CheckThe battery 24V DC and must be charged by external power source of 220V AC that is

    connected to the control box.

    9.1.2.Battery Replacement

    BATTERY is a consumable supply and must be replaced periodically. The replacement

    battery can be purchased directly from ENTEC or agents. The battery is 2 Atlasbx KB

    7.0-12 connected in sequence. Other batteries may be used as long as they conform to

    the specifications below:

    BATTERY: DC24V(12V7.0AH 2units), Dimension: L151W65*H94.5(100)

    9.2. Periodic Checks

    [Table 9-1] Periodic Check Point

    Check detail Frequency Remarks

    Check for cracks and damage to

    the polymer housing6 months If detected, further inspection is required.

    Check for corrosion to the

    control box6 months Corrosion may cause malfunction.

    Battery Voltage [DC24V] 6 months

    If low, replace.

    [Warranty period 6 months]

    [Lifespan 2~4 years]

    Auto Close Trip 6 months If malfunction, must be fixed.

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    9.3. Checklist for When Malfunction Occurs

    [Table 9-2] Check Point in case of Fault Occurrence

    Malfunction Check list Remarks

    No manual

    close-Is the operating indicator closed?

    If the rope is attached and is wet

    due to rain, the weight may cause

    trip.

    No manual trip-Is the operating indicator tripped?

    -Is the connecting loop is in vertical?

    Trip occurs too

    frequently

    -Is the trip side of the rope under too

    much pressure?

    -Has the minimum operating current

    been corrected in accordance with the

    load capacity?

    No auto close

    and trip.

    -Is the battery inserted properly?

    -Is the control cable connected?

    -Is the battery charged?

    -Is the control box fuse blown?

    If the battery voltage is below 24V

    DC then insert the 220V AC power

    for 48 hours to recharge. [If the

    battery is completely discharged

    then it must be replaced]

    Contact if problems other than those above occur:

    TEL 031-299-8400 FAX 031-299-8401~2

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    10. Installation Drawing

    Installation Drawing

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    11. Circuit Diagram

    Circuit Diagram

    2

    1

    3

    4

    5A

    Current

    C

    220Vacpowerinput

    Receptacle(MS310222-2P)

    A

    B

    Tr1

    7

    Switch

    V4

    V1

    12

    45

    BUSHING

    LOADSIDE

    CT3

    BUSHING

    SOURCE

    3

    6

    Control

    Cubicle

    CT

    500:1

    NOTE.

    VD1

    M

    + TS

    rRGg,h,jmpn

    ,sd,e,f

    a,b,c

    T VWUK SB C DA

    5559-4

    CN15

    4

    3

    1

    2

    MS310228-21P

    MS310628-21P

    MS310228-21S

    (37pin)

    (37pin)

    +

    NFB1

    rRGg,h,jmpn

    ,sd,e,f

    a,b,c

    T VWUK SBC DA

    CT1

    CT2

    I2

    I0

    I1

    I3

    ABC

    RST

    2A

    8

    2

    1

    3

    4

    B

    6

    2

    1

    3

    4

    5C

    INPUT

    7

    8

    910

    6

    2

    1

    3

    4

    5D

    7

    8

    OUTPUT

    2

    1

    3

    4

    E

    Voltage

    NFB2

    Battery

    P2

    3

    2

    1

    1

    24VacIN

    P1

    2

    4

    2

    1MPWP3

    P4 1,3

    2,4

    CPW

    1103

    1109

    1101

    1105

    1202

    1201

    1301

    1304

    1302

    1303

    1309

    1409

    1404

    1408

    1402

    1503

    1501

    1504

    401

    313

    315

    314

    401

    313

    410

    310 300

    400

    100

    200

    MOV

    ETMFC50MODULE

    POWER&CHARGERMODELE

    P5

    P6

    8

    BATTERYTESTPANEL

    KIM.N.H

    AN.T

    .P

    SONG.W

    .H

    5.13

    2011.

    Pol

    ymerInsulatedFaultInterrupters

    CONNECTION

    DIAGRAM

    N

    S

    EFI-71001

    -QTY

    DESCRIPTION

    MATERIAL

    NO

    x

    1

    -

    REMARK

    DWG.NO.

    SPEC

    -

    6

    52b52a

    52b

    MS310628-21S

    6

    1512

    873

    P2

    P3

    52b

    69

    52a

    V4

    V1

    16

    ProtectionModule

    1891

    7

    5 214

    P1

    I2

    I0

    I1

    I3

    CN15

    4

    3

    14

    2

    15

    1

    6

    UFRRELAY

    UFRPOWER

    SENSOR

    AC220

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    12. Time Current Curve

    12.1. Standard curve

    12.1.1.ANSI/IEEE

    Trip Time(Sec) = TD x (/ ( M

    - 1) +)

    [Table 12-1] ANSI/IEEE Curve

    Curves RtNormally Inverse 0.1400 0.0200 0.0 9.700

    Very Inverse 13.500 1.000 0.0 13.500

    Extremely Inverse 80.000 2.000 0.0 80.000

    12.1.2.IEC

    Trip Time(Sec) = TD x (/ (M

    - 1) )

    [Table 12-2] IEC Curve

    Curves RtNormally Inverse 0.1400 0.0200 0.0 9.700

    Very Inverse 13.500 1.000 0.0 13.500

    Extremely Inverse 80.000 2.000 0.0 80.000

    12.1.3.ESB

    Trip Time(Sec) = TD x (/ (M

    - 1) +)

    [Table 12-3] ESB Curve

    Curves RtStandard Inverse 0.011 0.02 0.042 9.000

    Very Inverse 3.985 1.95 0.1084 3.985

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    12.1.4.Definite Time

    [Table 12-4] Definite Time Curve

    Curves RtDefinite Time 1sec 0.0 - 1.0 1.0

    Definite Time 10sec 0.0 - 10.0 10.0

    12.1.5.Reset Time

    Reset Time(Sec) = TD x (Rt / (1 M2))

    [Table 12-5] Curve Factor

    TD Time dial Characteristic constantM Multiples of pickup currentRt Reset characteristic constant

    12.2. Non-standard Curve

    12.2.1.McGraw-Edison Recloser Curves

    [Table 12-6] McGraw-Edison Recloser Curves

    Phase Ground

    Old New Old New

    A 101 1 102

    B 117 2 135

    C 133 3 140

    D 116 4 106

    E 132 5 114

    KP 162 6 136

    L 107 7 152

    M 118 8 113

    N 104 8* 111

    P 115 9 131

    R 105 11 141

    T 161 13 142

    V 137 14 119

    W 138 15 112

    Y 120 16 139

    Z 134 18 151

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    12.3.1.ANSI/IEEE Moderately Inverse Curves (ANSI-NI)

    ANSI/IEEE Moderately Inverse Curves

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.50.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.50.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    15.00

    13.00

    11.00

    9.00

    7.00

    5.00

    4.00

    3.00

    2.00

    PERCENT OF PICKUP CURRENT

    Time(Second) Tim

    e(Second)

    ANSI MODERATELY INVERSE

    0.5

    1.00

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    12.3.2.ANSI/IEEE Very Inverse Curves (ANSI-VI)

    ANSI/IEEE Very Inverse Curves

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    15.00

    13.00

    11.00

    9.00

    7.00

    5.00

    4.00

    3.00

    2.00

    PERCENT OF PICKUP CURRENT

    Time(Second) Tim

    e(Second)

    ANSI VERY INVERSE

    0.5

    1.00

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    12.3.3.ANSI/IEEE Extremely Inverse Curves (ANSI-EI)

    ANSI/IEEE Extremely Inverse Curves

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    15.00

    13.0011.00

    9.00

    7.00

    5.00

    4.00

    3.00

    2.00

    PERCENT OF PICKUP CURRENT

    Time(Second) Tim

    e(Second)

    ANSI EXTREMELY INVERSE

    0.5

    1.00

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    12.3.4.IEC Normally Curves (IEC-NI)

    IEC Normally Inverse Curves

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    PERCENT OF PICKUP CURRENT

    Time(Second) Tim

    e(Second)

    IEC STANDARD INVERSE

    0.05

    0.2

    0.3

    0.4

    0.6

    0.7

    0.8

    1

    0.5

    0.1

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    12.3.5.IEC Very Inverse Curves (IEC-VI)

    IEC Very Inverse Curves

    100

    200

    300

    400

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    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    PERCENT OF PICKUP CURRENT

    Time(Second) Tim

    e(Second)

    IEC VERY INVERSE

    0.05

    0.2

    0.3

    0.4

    0.6

    0.7

    0.8

    1

    0.5

    0.1

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    12.3.6.IEC Extremely Inverse Curves (IEC-EI)

    IEC Extremely Inverse Curves

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.060.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.60.70.80.9

    1

    2

    3

    4

    5

    6789

    10

    20

    30

    40

    50

    607080

    90100

    200

    300

    400

    500

    600700800900

    1,000

    0.01

    0.02

    0.03

    0.04

    0.05

    0.060.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.60.70.80.91

    2

    3

    4

    5

    678910

    20

    30

    40

    50

    607080

    90100

    200

    300

    400

    500

    6007008009001,000

    PERCENT OF PICKUP CURRENT

    Time(Second) Tim

    e(Second)

    IEC EXTREMELY INVERSE

    0.05

    0.2

    0.3

    0.4

    0.60.70.8

    1

    0.5

    0.1

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    12.3.7.KEPCO Normally Inverse Curves (ES-NI)

    KEPCO Normally Inverse Curves

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    15.00

    13.00

    11.00

    9.00

    7.00

    5.00

    4.00

    3.00

    2.00

    PERCENT OF PICKUP CURRENT

    Time(Second) Tim

    e(Second)

    ESB STANDARD INVERSE

    0.5

    1.00

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    12.3.8.KEPCO Very Inverse Curves (ES-VI)

    KEPCO Very Inverse Curves

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    15.00

    13.00

    11.00

    9.00

    7.00

    5.004.00

    3.00

    2.00

    PERCENT OF PICKUP CURRENT

    Time(Second) Tim

    e(Second)

    ESB VERY INVERSE

    0.5

    1.00

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    12.3.9.Definite Time Curves (D1(DEF-1S), D2(DEF-10S))

    Definite Time Curves (D1, D2)

    100

    200

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    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    D1

    D2

    PERCENT OF PICKUP CURRENT

    Time(Second) Tim

    e(Second)

    D1, D2

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    12.3.10. Power Research Curves (N1, N2, N3, N4)

    Power Research Curves (N1, N2, N3, N4)

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    12.3.11.Non Standard Curves (A, B, C, D, E)

    Non Standard Curves (A, B, C, D, E)

    100

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    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    100

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    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    DE

    B

    C

    PERCENT OF PICKUP CURRENT

    Time(Second) Tim

    e(Second

    )

    A, B, C, D, E

    A

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    12.3.12.Non Standard Curves (K, L, M, N)

    Non Standard Curves (KP, L, M, N)

    100

    200

    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    100

    200

    300

    400

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    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.8

    0.91

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.8

    0.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    LM

    KP

    PERCENT OF PICKUP CURRENT

    Tim

    e(Second) Tim

    e(Second)

    KP, L, M, N

    N

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    12.3.13.Non Standard Curves (P, R, T, V)

    Non Standard Curves (P, R, T, V)

    100

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    300

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    800

    900

    1k

    2k

    3k

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    6k

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    8k

    9k

    10k

    100

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    300

    400

    500

    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.8

    0.91

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.8

    0.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    R

    T

    V

    PERCENT OF PICKUP CURRENT

    Tim

    e(Second) Tim

    e(Second)

    P, R, T, V

    P

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    12.3.14.Non Standard Curves (W, Y, Z)

    Non Standard Curves (W, Y, Z)

    100

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    800

    900

    1k

    2k

    3k

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    5k

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    8k

    9k

    10k

    100

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    600

    700

    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    Y

    W

    Z

    PERCENT OF PICKUP CURRENT

    Tim

    e(Second) Tim

    e(Seco

    nd)

    W, Y, Z

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    12.3.15.Non Standard Curves (1, 2, 3, 4, 5)

    Non Standard Curves (1, 2, 3, 4, 5)

    100

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    400

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    700

    800

    900

    1k

    2k

    3k

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    9k

    10k

    100

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    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    2

    3

    45

    PERCENT OF PICKUP CURRENT

    Tim

    e(Second) Tim

    e(Seco

    nd)

    1, 2, 3, 4, 5

    1

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    12.3.16.Non Standard Curves (6, 7, 8, 8*, 9)

    Non Standard Curves (6, 7, 8, 8*, 9)

    100

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    800

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    1k

    2k

    3k

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    6k

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    8k

    9k

    10k

    100

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    800

    900

    1k

    2k

    3k

    4k

    5k

    6k

    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    10

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.090.1

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    78910

    20

    30

    40

    50

    60

    708090100

    8*

    8

    9

    7

    PERCENT OF PICKUP CURRENT

    Tim

    e(Second) Tim

    e(Seco

    nd)

    6, 7, 8, 8*, 9

    6

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    12.3.17.Non Standard Curves (11, 13, 14, 15, 16, 17, 18)

    100

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    1k

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    7k

    8k

    9k

    10k

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.09

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.9

    1

    2

    3

    4

    5

    6

    789

    20

    30

    40

    50

    60

    708090

    100

    0.01

    0.02

    0.03

    0.04

    0.05

    0.06

    0.070.080.09

    0.2

    0.3

    0.4

    0.5

    0.6

    0.70.80.91

    2

    3

    4

    5

    6

    789

    20

    30

    40

    50

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    708090100

    15

    1716

    13

    PERCENT OF PICKUP CURRENT

    Time(Second) Tim

    e(Second)

    11, 13, 14, 15, 16, 17, 18

    14 18

    11