Answer / sheikh

Shunt trip coil usually mounted in circuit breaker
and activate on the receiving of any fault signal and
tripped to circuit breaker on status of TRIP

ell me capacitor bank chossen formula.load in KW

1 Answers  

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Why use the vcb at high transmission system ? Why can’t use acb?

0 Answers  

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wht is this amps in power consuption and how can we convert that into consuption hours ? i am a sales executive of a energy saving lamps .

5 Answers   KSEB,

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What is force on a conductor in a magnetic field ?

0 Answers  

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what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

0 Answers   Jindal,

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how to measure the dc current?

3 Answers  

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WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM

0 Answers   RasGas,

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in dc shunt motor if armature wdg is open then

1 Answers  

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I want to give Power supply to a house from the Feeder, Total Load of the House is 128 KW, how to calculate cable size for this load ?

5 Answers  

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1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

0 Answers   TATA,

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Why is the frequency not changed during transformation of electrical energy in a transformer?

0 Answers  

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HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

0 Answers  

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