TYPE TEST OF 3 Phase Solid Earthing Bonding Link Box, Type: …emelec.com.tr/images/uploads/b8ae86be27494ffeb5049aa... · 2018. 1. 17. · Test object: Earthing bonding link box Type:

TT 0710/03

TYPE TEST

OF

3 Phase Solid Earthing Bonding Link Box, Type: LB.W.3SA.3.1

TT0710.03 A3

Tavukçuyolu Türker Cad. No:8 Kat:3 34775 Y.Dudullu - Ümraniye - İSTANBUL - TÜRKİYE T: +90 216 364 69 40 F : +90 216 364 69 31

www.emelec.com.tr

Tested by: IPH, Berlin RPT No : 2977.2100555.0379 Date: 09 June to 24 June, 2010 Pages: 30 Appendix: ---

http://www.emelec.com.tr/�

Independent test laboratory, accredited by Deutsche Akkreditierungsstelle Technik (DATech) e.V. in the fields of h.v. apparatus and switchgear, power cables and power cable accessories, l.v. apparatus and switchgear, installation equipment and switching and control equipment. Institut „Prüffeld für elektrische Hochleistungstechnik“ GmbH (IPH Berlin) is a subsidiary of CESI S.p.A, Milan.

Independent, accredited testing station · Member laboratory of STL and LOVAG

T E S T R E P O R T

NO. 2977.2100555.0379

EM Electrical Materials Contracting Co. Tavukcuyolu, Türker Cad. No. 08 Y. Dudullu-Umraniye 34776 Istanbul TURKEY

CLIENT

EM Electrical Materials Contracting Co. MANUFACTURER

Earthing bonding link box TEST OBJECT

LB.W.3SA.3.1 TYPE

Test sample SERIAL NO.

Rated DC withstand voltage Rated lightning impulse withstand voltage

Up

25 40 (60)

kV kV

RATED CHARACTERISTICS GIVEN BY THE CLIENT

Client's instructions NORMATIVE

DOCUMENT

Dielectric tests Leakage current test Measurement of contact resistance Measurement of residual voltage

RANGE OF TESTS PERFORMED

09 and 24 June 2010 DATE OF TEST

See Clause 8 TEST RESULT

RONALD BORCHERT Senior engineer

RAINER BORCHERT For Test engineer in charge

Berlin, 21 July 2010

TEST REPORT NO. 2977.2100555.0379 SHEET 2

Contents Sheet

1. Present at the test............................................................................................................................................................. 3

2. Test performed.................................................................................................................................................................... 3

3. Identity of the test object ............................................................................................................................................ 4 3.1 Technical data and characteristics.......................................................................................................................................................................................... 4 3.2 Identity documents ......................................................................................................................................................................................................................................... 4

4. Dielectric tests...................................................................................................................................................................... 5 4.1 Test laboratory ........................................................................................................................................................................................................................................................ 5 4.2 Normative document................................................................................................................................................................................................................................... 5 4.3 Required test parameters...................................................................................................................................................................................................................... 5 4.4 Test arrangement............................................................................................................................................................................................................................................... 5 4.5 Test and measuring circuits............................................................................................................................................................................................................... 6 4.6 Test results..................................................................................................................................................................................................................................................................... 8

5. Leakage current test .................................................................................................................................................... 11 5.1 Test laboratory ....................................................................................................................................................................................................................................................11 5.2 Normative document...............................................................................................................................................................................................................................11 5.3 Required test parameters..................................................................................................................................................................................................................11 5.4 Test arrangement...........................................................................................................................................................................................................................................11 5.5 Test and measuring circuits...........................................................................................................................................................................................................12 5.6 Test results.................................................................................................................................................................................................................................................................13

6. Measurement of contact resistance................................................................................................................. 14 6.1 Test laboratory ....................................................................................................................................................................................................................................................14 6.2 Normative document...............................................................................................................................................................................................................................14 6.3 Test and measuring circuits...........................................................................................................................................................................................................14 6.4 Test results.................................................................................................................................................................................................................................................................15

7. Measurement of residual voltage...................................................................................................................... 16 7.1 Test laboratory ....................................................................................................................................................................................................................................................16 7.2 Normative document...............................................................................................................................................................................................................................16 7.3 Test results.................................................................................................................................................................................................................................................................16

8. Summary of results ....................................................................................................................................................... 17

9. Photos..................................................................................................................................................................................... 18

10. Oscillograms ...................................................................................................................................................................... 21

11. Drawing................................................................................................................................................................................. 30 This test document consists of 30 sheets. Distribution Copy No. 1 Copy No. 1 in English: EM Electrical Materials Contracting Co.

The test results relate only to the object tested.

This document is confidential. Its transfer to third parties as well as its reproduction in extracts require the consent of the client.


1. Present at the test

Mr. Wittwer IPH test engineer in charge

Mr. Heske IPH test engineer

Mr. Borchert, Rainer IPH test engineer

Mr. Erdeniz EM Electrical Materials Contracting Co.

2. Test performed

Dielectric tests Leakage current test Measurement of contact resistance Measurement of residual voltage


3. Identity of the test object

3.1 Technical data and characteristics

The technical data and characteristics of the test object are defined by the following parameters and specified by the client. Test object: Earthing bonding link box Type: LB.W.3SA.3.1 Manufacturer: EM Electrical Materials Contracting Co. Serial No.: Test sample Year of manufacture:

2010

Data: Rated voltage Not specified Rated DC withstand voltage 25 kV Rated lightning impulse withstand voltage Up 40 (60) kV Characteristics: Thickness of housing 3 mm

3.2 Identity documents

The manufacturer confirms that the test object has been manufactured in compliance with the drawings given in this document. IPH did not verify this compliance in detail. The identity of the test object is fixed by the following drawings and data submitted by the client:

Name of drawing Drawing No. Date of drawing Author Notes

SOLID EARTHING BONDING LINK BOX with SVL TYPE: LB.W.3SA.3.1

10.04.06 Rev. 0

30.04.2010 EMELEC Sheet 30

Entry of test object at IPH: 31 May 2010


4. Dielectric tests

4.1 Test laboratory

High-voltage test laboratory, high-voltage hall 2

4.2 Normative document

Client's instructions

4.3 Required test parameters

Active parts (L1, L2, L3, MP) against each other and against earth (F): DC 25 kV, 5 min LI 1.2/50 s, 40 kV Active parts (L1, L2, L3) against each other only LI 1.2/50 s, 60 kV

4.4 Test arrangement

See Sub-clause 4.6 For the dielectric tests the surge arrestors were replaced by insulating dummy parts.


4.5 Test and measuring circuits

DC voltage test Technical data of test circuit DC voltage source Test transformer: Rated voltage 100 kV Rated power 8 kVA Rated frequency 50 Hz Rectifier: Rated voltage 135 kV Rated current 15 mA Smoothing capacitor: Capacitance 10 nF

PO

1

C G

Gl

Tr E

E Supply Tr Test transformer with variable transformer connected in series Gl Rectifier CG Smoothing capacitor 1 Measuring point PO Test object Figure 1: Test and measuring circuit for the DC voltage test Technical data of measuring circuit

Measuring point Measured quantity Measuring sensor/device Technical parameters

1 Test voltage Ohmic divider with DC peak voltmeter type MU11 (made by TuRD)

Ratio 561


Test and measuring circuits (continued) Lightning impulse voltage test Technical data of test circuit Impulse circuit: Number of stages n = 2 Impulse capacitance CS = 70 nF Loading capacitance CB = 1.5 nF Damping resistance RD = 122 Discharge resistance RE = 1200

1C R

R

S C

BE

D

PO

+/-

ZFS Gl

~

Gl Rectifier RD Damping resistance CS Impulse capacitance CB Loading capacitance ZFS Spark gap PO Test object RE Discharge resistance 1 Voltage measurement

Figure 2: Test and measuring circuit for the lightning impulse voltage test Technical data of measuring circuit


1 Test voltage R divider of SMR 10/770 type (made by TuRD) with digital measuring instrument of DMI 551 type (made by Haefely) and TDS220 digital oscilloscope (made by Tektronix)

Ratio 472.3


4.6 Test results

DC voltage test Date of test: 09 June 2010 Testing time after having reached full amplitude: 5 min Air temperature: 21.4 C Air pressure: 100.21 kPa Air humidity (relative): 58 % Atmospheric correction of test voltage: Without atmospheric correction

Every voltage is related to an air pressure of 101.3 kPa, an air temperature of 20 C and an air humidity of 11 g/m3. Test set-up

MP

A

B

C

L1

L2

Frame

L3

DC withstand voltage

Test voltage 1)

Disruptive discharge 2)

Configuration Voltage applied to

Earthed kV kV

-

L1

L2, L3, MP, F

25

25

0

-

L2

L1, L3, MP, F

25

25

0

-

L3

L1, L2, MP, F

25

25

0

-

MP

L1, L2, L3, F

25

25

0

Notes:

1) Related to normal atmospheric conditions 2) Within the testing period no disruptive discharge shall occurred


Test results (continued) Lightning impulse voltage test Date of test: 09 June 2010 Front time of lightning impulse wave: 0.94 μs Tail time of lightning impulse wave: 51.7 μs Air temperature: 21.4 C Air pressure: 100.21 kPa Air humidity (relative): 58 % Atmospheric correction of test voltage: Without atmospheric correction

Every voltage is related to an air pressure of 101.3 kPa, an air temperature of 20 C and an air humidity of 11 g/m3.

Test set-up

MP

A

B

C

L1

L2

Frame

L3

Impulse withstand voltage

Test voltage 1)

Number of impulses/ disruptive discharges


Earthed kV kV

-

L1

L2, L3, MP, F

40

+40 -40

10/0 10/0

-

L2

L1, L3, MP, F

40

+40 -40

10/0 10/0

-

L3

L1, L2, MP, F

40

+40 -40

10/0 10/0

-

MP

L1, L2, L3, F

40

+40 -40

10/0 10/0

Notes:

1) Related to normal atmospheric conditions


Test results (continued) Lightning impulse voltage test 60 kV Date of test: 09 June 2010 Front time of lightning impulse wave: 0.94 μs Tail time of lightning impulse wave: 52.0 μs Air temperature: 21.4 C Air pressure: 100.21 kPa Air humidity (relative): 58 % Atmospheric correction of test voltage: Without atmospheric correction

Every voltage is related to an air pressure of 101.3 kPa, an air temperature of 20C and an air humidity of 11 g/m3.

Test set-up

MP

A

B

C

L1

L2

Frame

L3

Impulse withstand voltage

Test voltage 1)

Number of impulses/ disruptive discharges


Earthed kV kV

-

L1

L2, L3

60

+60 -60

10/0 10/0

-

L2

L1, L3

60

+60 -60

10/0 10/0

-

L3

L1, L2

60

+60 -60

10/0 10/0

Notes:

1) Related to normal atmospheric conditions


5. Leakage current test

5.1 Test laboratory

High-voltage test laboratory, high-voltage hall 2


Client's instructions

5.3 Required test parameters

DC 5 kV, 1 min Leakage current

5.4 Test arrangement

See Sub-clause 5.6



DC voltage test Technical data of test circuit DC voltage source Test transformer: Rated voltage 100 kV Rated power 8 kVA Rated frequency 50 Hz Rectifier: Rated voltage 135 kV Rated current 15 mA Smoothing capacitor: Capacitance 10 nF

PO

1

C G

Gl

Tr E

2

E Supply Tr Test transformer with variable transformer connected in series Gl Rectifier CG Smoothing capacitor 1 – 2 Measuring point PO Test object Figure 3: Test and measuring circuit for the DC voltage test Technical data of measuring circuit


1 Test voltage Ohmic divider with DC peak voltmeter type MU11 (made by TuRD)

Ratio 561

2 Leakage current Digital multimeter Keithley 137


5.6 Test results

Leakage current test Date of test: 09 June 2010 Testing time after having reached full amplitude: 1 min Air temperature: 21.4 C Air pressure: 100.21 kPa Air humidity (relative): 58 % Atmospheric correction of test voltage: Without atmospheric correction

Every voltage is related to an air pressure of 101.3 kPa, an air temperature of 20 C and an air humidity of 11 g/m3. Test set-up 2)

MP

L1

L2

Frame

L3

DC withstand voltage

Test voltage 1)

Leakage current


Earthed kV kV μA

-

L1

MP, F

5

5

<1

-

L2

MP, F

5

5

<1

-

L3

MP, F

5

5

<1

Notes:

1) Related to normal atmospheric conditions 2) Serial no. of surge arrestors: L1: 594 L2: 596 L3: 595


6. Measurement of contact resistance

6.1 Test laboratory

Low-voltage test laboratory, test room 1


Client’s instructions



6.4 Test results

Date of test: 24 June 2010 Test object: Earthing bonding link box Ambient temperature: 18.4 ˚C

Contact Resistance (μΩ)

C.01 C.02 C.03 C.04 C.05 C.06 C.07

1.38 1.16 1.53 2.08 1.60 1.76 1.52


7. Measurement of residual voltage

7.1 Test laboratory

Low-voltage test laboratory, test room 1


Client’s instructions

7.3 Test results

Date of test: 24 June 2010 Test object: Earthing bonding link box Test no. 210 2877 210 2878 210 2879

Impulse current 8/20 s, peak value kA 10.3 10.3 10.2

Residual voltage kV 18.1 18.1 18.2

Pole red yellow blue

Test no. 210 2880 210 2881 210 2882



Pole blue yellow red

Test no. 210 2889 210 2890 210 2891



Pole red yellow blue


8. Summary of results

Dielectric tests

As agreed with the client, the test object was subjected to a DC voltage withstand voltage of 25 kV Phase-to-earth insulation Lightning impulse withstand voltage of 40 kV Phase-to-earth insulation Lightning impulse withstand voltage of 60 kV Phase-to-phase insulation In the DC test no disruptive discharge occurred. In the lightning impulse voltage test the number of disruptive discharges was 0 for every 10 impulses. The requirements for the dielectric tests as specified by the client have been fulfilled. Leakage current test

As agreed with the client, the test object was subjected to a DC voltage withstand voltage of 5 kV Phase-to-earth insulation The requirements for the leakage current test as specified by the client have been fulfilled. Measurement of residual voltage

The maximum residual voltage measured during the tests was 23.3 kV.


9. Photos

Photo 1: View of the test object with closed outer cover plate

Photo 2: View of the test object with opened outer cover plate


Photo 3: View of the test object with removed inner isolating cover plate

Photo 4: View of the test object with removed inner isolating cover plate and dummies in place

of surge arrestors


Photo 5: View of the cable entry in the box

Photo 6: Test object after measurement of residual voltage test


10. Oscillograms










11. Drawing

TYPE TEST OF 3 Phase Solid Earthing Bonding Link Box, Type: …emelec.com.tr/images/uploads/b8ae86be27494ffeb5049aa... · 2018. 1. 17. · Test object: Earthing bonding link box Type:

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