Answer / m k

after commissioning breakdown voltage test of oil and dissolve gas analysis of oil should be performed periodically.

Answer / suresh

to check the oil temp indicator, winding temp indicator,
check the oil level in conservator

Answer / kashifhabib

I think all the test are performed before commissioning.

why DOL starter is use in induction motor as it is not reduce the starting torque

2 Answers   Maruti Suzuki,

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For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

0 Answers  

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can any one tell in easy method for circulating current ??

0 Answers   Quest,

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What are the advantages and disadvantages of closed-loop control system?

0 Answers  

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Define reserve-generating capacity?

0 Answers  

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If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

0 Answers  

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what is relation betn. KW & KV?

10 Answers  

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why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer.

12 Answers   ABB, Adani, Central Electricals, Electrical, HCL,

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what is diff between Ground/Earth & Neutral?

4 Answers  

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why transformer rating in kva?

7 Answers  

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Dear Sir / Madam, Actually we requied 64 A MCB, But i have 32 A MCB = 2 No's this two i have to make series connection and we usw any place? isit possible or not......

4 Answers   Hindustan Unilever Limited,

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in our 6.6kv motor feeder[it is having two sources from Bus A&B] earth fault relay is acting, we checked CBCT connection and cable meggerd values found very good still earth fault acting during first two are three start after that it will hold. please clarify what was the reason. if same motor is starting from other Bus-A it will start.

1 Answers   Gasal, Voltech,

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