Answer / lipika

1.differential protection or merz price protection
2.modern differential protection
3.stator interturn protection

Answer / km

when the protection trip is operated and the has not open
for less than a one second or depend upon our setting it
will gives an alarm.

When will you multiply and devide with derating factors to the actual value while sizing the cable?

0 Answers  

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where used of HVDS system.

3 Answers  

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What is the use of lag compensator?

0 Answers  

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What is mean by power factor?

18 Answers   Shreem Electric Ltd,

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why HT armoured cable does not glanding

0 Answers   TCE,

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What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?

0 Answers   L&T,

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could i arrange a faulty and healthey battery bank togather in parallel , if your ans is not then why?

3 Answers  

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Three set (each phase contain 2 cable of 400 mmsq CU XLPE AWA) of single core cables are connected to 11 KV motor of 14 MW & the switch gear supplay is taken from 11kv feeder & this supplay taken from 275 KV substation. Problem is one pair cable(L3- 2 cable ) getting very hot & gland melted and damaged in switch gear side. the other two cable haven't any more hot(ambient temp only & L3 haveing 95- 100 Degree C. The same problem happened in 275 KV substation switch gear side also where the supply taken for 11 kv switch gear. But here L2 phese cable had problem. Why it is happening like this?. The cable having temperature different at different location from gland side inthe case of 11KV feeder of 275 kv substation. why ?

2 Answers  

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Is voltage & potential transformer are the same? Are they used for same application ?

11 Answers  

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What is the max demand on your transformer and your company?

10 Answers   Bhel, CBRE, Core Consultants, HPL, IOCL, JLL, L&T, Lemon Tree, MNC, Rashmi, TATA, Tata Motors, Tata Power, Torrent Pharma,

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what is the function of gss in the dg set.

0 Answers   Cushman Wakefield,

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What is the difference between circuit and network.

15 Answers   Jadavpur University, Sail, TCS,

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