Answer / k.prakashchandra

Black out is complete darkness i.e. outage of supply.Brown
out means dimness i.e. drop in voltage

what is rotor earth fault protection scheme in hydro generator & what is dc field flashing ?

2 Answers   NHPC,

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WHAT ARE THE FACTORS REQUIRED FOR SELECTION OF TRANSFORMER RATING?

13 Answers   Tech Mahindra, Technip,

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Differance between power circuit and control circuit

3 Answers  

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i have one transformer 1000kva, 11/.433kv. we are using 200/5 amp. ct unit for measuring purpose, & one 800 amp. V.C.B Unit for the same t/f operate, i wants to known the primary current of T/F is only 53 amp. why we used 800 amp. V.C.B ? & 200/5 amp. CT Unit.

4 Answers  

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In our factory there is one no. of Series trip HT 6KV OCB. 1. Is it possible to measure CT out put current by 440V Clamp meter? The measurement is required for knowing the exact value of current in CT secondary to set up protection for transformers. 2. plase forward the single line diagram of AMF panel?

1 Answers   HAL,

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while selecting transformers for 33 kva feeder normally we ask for 33/433 kv why not 33/415

1 Answers  

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what is field flash

4 Answers   Bhel,

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the max. power will be transferred if …… a) sending end vol. is high b) receiving end v is high c)…….. d) corona loss is least

2 Answers   Engineers India Limited,

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Write a note on Treatment for electric shock.

0 Answers  

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WHAT IS THE CONDITION FOR OPERATING DIFFERENTIAL RELAY IN POWER TRANSFORMER & WHERE IS NEUTRAL CT PLACED IN TRANSFORMER

2 Answers  

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On what factors the generating voltage depends ? Generating voltage are (3.3kV, 6.6KV , 11KV, 13.8kV) Why so ?

5 Answers   Bhel,

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what is soft starter?working principle?where it can use?

3 Answers  

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