what are types of servo motors
servo motors mainly two types
A) A.C Servo motor
B) D.C Servo motor
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what is tha online tapping and offline tappchange? which side connected primary or secondary and explain ?
In n high voltage 11kv system What happened if 1 of CT cable (IDMT) loose.Will e/f or o/c trip.please explain detail
How to decide the input and output circuit breaker for a 1600kva transformer.Is there any calculation is involved.
What is shutdown of electrical sub station?
what is the ground fault relay,which purpose it will be use,clearly tell me plz
What is GNR ? How much value of ground neutral resistance?
why DG sets power factor is 0.8 lagging.
What happen if 1200KW/1500KVA alternator runs at no load and high R.P.M.for one minute?
what are the effects when a salient pole alternator is run at high speed like 3000 r.p.m?
How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.
Calculate the demand in KVA for a three phase 440V power source drawing 1100A current
I hv a question regarding power factor improvement just after transformer. I request you to reply me plzz. thank you sir. My friend has a small unit of fabrication. in his factory the main load is a welding machine, lathe machine, grinding machine. this load is not continuous type. now our electricity board has installed 16 KVA, 11000/433 V transformer for our factory. In the energy meter (trivector meter) at LV side of transformer, i hv seen power factor value of 0.15 only when only 3 KW load was flowing. Further electricity board has suggested to install 4 KVAR capacitor at LV side after energy meter. Now my question is that if we permanantly install and switch on 4 KVAR capacitor after energy meter, during some load on transformer and also without any load on transformer, wht will be the power factor shown in energy meter?i dont want to get any penalty by electricity board, so plz suggest me if i can permanantly install and switch on the 4 kvar capacitor or not at LV side of transformer just after energy meter? Thank you again and awaiting for ur positive reply soon.