Answer / sachin k

Reverse power,E/F,over load,Over frequency,Under
Frequency,Over voltage,under voltage,loss of
excitation,short circuit etc.

Answer / ravi tandel

reverse power protection, merz price protection, etc.

what do you mean by earth fault in transformer?

2 Answers   L&T, UPL,

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WHAT ARE THE SITE TEST APPLIED ON A SURGE ARRESTORS? DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED IR VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV, 66KV 132KV, 220KV AND 400KV?

5 Answers  

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In 3.5X150 Sq.mm cable what does 150 stand for outer dia or inner dia?

4 Answers  

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Maximum efficiency occurs in electrical machines is at i)Full load,ii)50% of full load,iii)Near full load,iv)None of these

1 Answers   IFFCO,

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what is the soft starter principle? how is connection diagram? what is the procedure for checking the connection?

0 Answers   Siemens,

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No load test of induction motor is carried out to compute= A stator resistance B rotor resistance C magnetizing reactance D rotor reactance

1 Answers  

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How much load can give on 1600 kva transformer 11kv/440

5 Answers  

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THE ROTIO OF VOLTAGE AND CURRENT IN A CLOSED CIRCUIT

12 Answers   APGenco, Constant, Lanco,

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what is corona ?

3 Answers  

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Transformer Parallel Operations

1 Answers  

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ALL HT /LT PANEL TEST? DISCRIPTION.

0 Answers   Essar,

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what is cogging and crawling

0 Answers   Suzlon,

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