Answer / prof. dr. k. manjunath

The answer is (c) copper losses. The copper losses I*I*R
losses, they varies with square of load current

Answer / ashish

c

what is timing for mccb 800A tripping?

1 Answers   L&T,

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What is PEC??Applications........

0 Answers   Emerson,

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Do anyone know how can I calculate earthing for substation or do anyone know any software which I can use for this case

1 Answers  

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What are the effects of electrical faults?

0 Answers  

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kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

0 Answers  

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40 HP motor how many square mm size wire use for stator to motor & aluminium wire use ?

1 Answers   SSPL,

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i have 6oo kva dry type transformer and its neutral is not grounded even body of transformer ground i want to know it is safe or not ?

2 Answers  

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for opening electrical shop, tips needed.

0 Answers  

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How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?

1 Answers   NTPC,

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WHAT IS THE FUNCTION OF PULSE TRANSFORMER IN DC DRIVE

5 Answers  

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For 1 KVA load how much KVARH capacitor can be used ?

3 Answers   NLC, TNEB Tamil Nadu Electricity Board,

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Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?

0 Answers  

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