Electrical Data Calculation 1 Electrical Scope equipment Range selection Chart Enter the Power in MW of the alternator 10000 kw Enter the Voltage in KV of the alternator 6300 volts Enter the power Factor of the Alternator 0.8 KVA Rating of the alternator 12500 KVA KVAR Rating of the alternator 7500 KVAR Enter the Frequency of the alternator 50 Hz Enter the types Protection for Alternator IP-54 Enter the IP Protection for Exciter IP-54 Current of the alternator 1146 Amps Speed of the alternator in RPM 1500 Number of Poles 4 Pole Insulation Class of Alternator F Type of alternator HT/LT 1 for HT-1,LT-0 Temperature Rise of Alternator B Number of cooler Cooler Location LAPT Calculation sheet Entry of Cable or Bus Duct in Lapt Top Exit of Cable in Lapt Bottom Potential Transformer VA Burden for protection cor 100 VA Primary Voltage of the PT 6300 Volts Secondary Voltage of the PT 110 Volts Potential Transformer Accuracy Burden for Metering 0.5 Short circuit Fault Level of Panel 26.3 KA NGR Calculation sheet Entry of Cable or Bus Duct in Lapt Top Short circuit Fault Level of Panel 26.3 KA Accuracy CT Selection Sheet Quantity CT Primar CT Secondary Burden Differential CT 6 1400 1 PS Metering CT Core-1 3 1400 1 0.5 60VA Droop & Power factor CT 1 1400 1 0.5 30VA Metering CT Core-2 for Protectio 3 1400 1 5P10 60VA Short ckt maintance CT Not Required 3 1146 PS Earth Fault CT 1 100 1 PS 10VA Type of AVR 1 0 if Digital -0,Analog-1 Vk> 200
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Electrical Data Calculation 1
Electrical Scope equipment Range selection Chart
Enter the Power in MW of the alternator 10000 kwEnter the Voltage in KV of the alternator 6300 voltsEnter the power Factor of the Alternator 0.8KVA Rating of the alternator 12500 KVAKVAR Rating of the alternator 7500 KVAREnter the Frequency of the alternator 50 HzEnter the types Protection for Alternator IP-54Enter the IP Protection for Exciter IP-54Current of the alternator 1146 AmpsSpeed of the alternator in RPM 1500Number of Poles 4 PoleInsulation Class of Alternator FType of alternator HT/LT 1 for HT-1,LT-0Temperature Rise of Alternator BNumber of coolerCooler Location
LAPT Calculation sheet
Entry of Cable or Bus Duct in Lapt TopExit of Cable in Lapt BottomPotential Transformer VA Burden for protection core-1 100 VAPrimary Voltage of the PT 6300 VoltsSecondary Voltage of the PT 110 VoltsPotential Transformer Accuracy Burden for Metering co 0.5Short circuit Fault Level of Panel 26.3 KA
NGR Calculation sheet
Entry of Cable or Bus Duct in Lapt TopShort circuit Fault Level of Panel 26.3 KA Accuracy
Metering CT Core-2 for Protection 3 1400 1 5P10 60VA
Short ckt maintance CT Not Required 3 1146 PS
Earth Fault CT 1 100 1 PS 10VAType of AVR 1 0 if Digital -0,Analog-1
Vk>200
Electrical Data Calculation 2
NGR Resistor Calculation
Volatge of the generator 6300Limiting current after star Point 100Resistance of the NGR 36.4
Metreing Cum Synchronizing Panel Calculation
Meters Voltage Supply to panel for metering 110Meters Current Supply to panel for metering 1Auxilary voltage Supply to meters from PT 110
Metres Range for MCSP Panel Quatity Range from Range to TypeAmmeter 3 0 1400Voltmeter 1 0 7560Voltmeter selecter switch 1 0 7560KVA Meter 1 0 15000KVAR Meter 1 0 9000KW Meter 1 0 12000Power Fector meter 1 0.5 lag 0.5 leadFrequency meter 1 45 55KWH+MDI Meter 1 0 12000
Synchronising Component Quantity Range from Range to TypeDouble frequency meter 2 45 55Double voltmeter 2 0 7560Check Synchronising Relay SKE- 1 0 20degAux. Synchronising Relay 25X 1Guard Relay VAA21 25G 1
Power Transformer Calculation
Power transformer required for the TG Set 15625 KVAPrimary Volatge of the Transformer L-L 6300 VoltsEnter the grid Voltage L-L 6300 VoltsSecondary Voltage of the Transformer L-L 6300 VoltsTransformer ratio K 1Frequency of the transformer 50 HzCurrent of the Primary of power transfromer 1431.96Current of the Secondary of power transfromer 1431.96
Electrical Data Calculation 3
MCC Panel Load List for the TG Set
Project Name
Capacity
Frame Name
Duty
1 AOP Motor 11.0 21.0 Start/Stop 415 volts2 Barring Gear Motor 11.0 21.0 Start/Stop 415 volts3 GVC-1 Motor 0.9 #N/A Continuous 415 volts4 Vepour Extractor Motor 0.8 #N/A Continuous 415 volts5 CEP-1 Motor 0.0 #N/A Continuous 415 volts6 CEP-2 Motor 0.0 #N/A Continuous 415 volts7 Actuator Motor 0.0 #N/A Continuous 415 volts8 CEP-3 Motor 0.0 #N/A Standby 415 volts9 ACOP Motor 7.5 14.0 Standby 415 volts
10 Spare CEP feeder 0.0 #N/A 415 volts
11 Spare GVC feeder G1 1.2 415 volts
12 Spare BG feeder 11.0 21.0 415 volts
13 Battery Charger Rating 12.24297 50A MCCB is sufficient1415 Total #N/A Amps16
Small Motor Code ValueG1 .37Kw MotorG2 .55 Kw MotorG3 .75Kw motor
Si No
Motor Name
KW Rating
Current rating
it is applicable only if main feeder fails
it is applicable only if main feeder fails
it is applicable only if main feeder fails
Electrical Data Calculation 4
MCC Panel Check List
Feeder Name Mot Ratin Current Switch Fuse Contactor OLR CTR1 Incomer2 AOP Motor 11.0 21.0 63 50 64 14 - 23 30/13 Barring Gear Motor 11 21.0 63 50 64 14 - 23 30/14 GVC-1 Motor 0.85 #N/A #N/A #N/A #N/A #N/A #N/A5 Vepour Extractor Moto 0.75 #N/A #N/A #N/A #N/A #N/A #N/A6 CEP-1 Motor 0 #N/A #N/A #N/A #N/A #N/A #N/A7 CEP-2 Motor 0 #N/A #N/A #N/A #N/A #N/A #N/A8 Actuator Motor 0 #N/A #N/A #N/A #N/A #N/A #N/A9 CEP-3 Motor 0 #N/A #N/A #N/A #N/A #N/A #N/A
TCP Panel control circuit ammeter rating check ListFeeder Name Motor Rating
1 AOP Motor 11.0 0 - 30/1802 Barring Gear Motor 11.0 0 - 30/1803 GVC-1 Motor 0.9 #N/A4 Vepour Extractor Moto 0.8 #N/A5 CEP-1 Motor 0.0 #N/A6 CEP-2 Motor 0.0 #N/A7 Actuator Motor 0.0 #N/A8 CEP-3 Motor 0.0 #N/A9 ACOP Motor 7.5 0 - 20/120
Battery Booste & Booste cum charging Current Calculation sheet
Enter the AH capacity of the Battery Charger 100
Booste Chargering Current of the battery 20
Float chargering Current of the Battery 15
Electrical Data Calculation 5
DC Motor starter Panel Resistance & wattage loss check List
Enter the Voltage Supply of the DC Motor 110Enter the armature current of the Motor 17Enter the number of times to Current to Limit 2Enter the number of Steps of resistance in armatue circuit 2Enter the Parallel resistance in each step 4Total resistance required to limit the Current 3.23529Resistance in Each Steps 1.61765Resistance of each arm 6.47059Power Loss in each arm of resistance 467.5
Enter Numbers of Generator Connected into the system 2Enter Numbers of Motor Connected into the system 3Enter Numbers of Transformer Connected into the system 6