Answer / prakash parmar

service setting is 95% full load amp as rating.

Why does not AC excitation use in rotor of AC Generator instead of DC excitation?

2 Answers   A2Z Group,

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how does the rotating m.m.f is produced in the 3-phase induction motor and how the poles are created in 3-phase induction motor ?

0 Answers  

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what happen to the voltage and current in all phases when an earth fault occur in a phase in three phase three wire system(delta connected)...

1 Answers  

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What should be the setting of an earth fault relay.

2 Answers   HP,

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What is servo motor? what is its purpose?

0 Answers  

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what is the highest transmission voltage in India till now?

36 Answers   Bhel, Electrical,

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DC Motors applications used in Lift/Elevators

8 Answers   IOCL, SCS, Usha Martin,

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How out of step protection relay works?

0 Answers   APL,

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V.c.b and a.c.b difference

4 Answers  

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what is appearent power?

3 Answers  

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how the testing of CT OF 400/200/100 done in33/11 kv s/s

1 Answers   Reliance,

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I did oil BDV test of 1600 KVA trafo 20KV/400V as per IEC 156. Result is 1) 58 KV 2) 58 KV 3)40 KV 4) 50 KV 5) 58 KV 6) 18 KV. Avr is 47 KV. Can we say oil is still ok even in the 6th test BDV is 18 KV ?

1 Answers  

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