Answer / nithya

by using megger.

Answer / gajendra singh

earth resistance is measured by a magger.

Why silica gel use?

1 Answers   PWD,

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if field winding of synchronous generator are shorted on each other will it start or burn or run for short time like induction motor

1 Answers  

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if the back emf eqution for dc motor EB=(QPNZ/60A) THEN what is the value of A for PMDC MOTOR OR how can dicide the value of "A"

2 Answers   BSL,

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What is relation b/w Transmission Lines & Communication Lines ?

2 Answers  

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Why in KVA diesel engine? Why not KW

3 Answers  

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Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

0 Answers  

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what is difference between AC VVVF drive & Dc VVVF drive explain their working principle?

13 Answers   Apollo, OPS,

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how can we minimize the off load losses of a distribution transformer which is required to be energized 24x7 ?? capacity of the T/F is 1250 KVA and off load losses are around 2.0 KW.. can we use capacitor bank at the secondary of such a T/F to overcome off load losses? please elaborate briefly...thanks

2 Answers  

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What is different between Difnit time and instatous over current relay

0 Answers   NCC,

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Whether we used insulated line for 33KV supply. what we called it.

1 Answers  

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Why is transformer a machine

1 Answers   Grasim,

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opkinson's test

0 Answers   Bhel,

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