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reason behind why the reverse power relay of incoming machine was not acted even when no load was shifted on incoming machine after synchronising the machines ?
2 4155In single phase capacitor motor, if the motor rotate reverse direction then how much power will be consumed by the motor and why?
1985What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.
2268why actual valve timing diagram is different than ideal valve timing digram of a 4 stroke engine?
5572what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?
1907I have 2 Nos of 2500kVA 33/0.415V cast resin transformers. How to decide on ampere rating of HT Panel? Also advise me how many panel RMG i have to consider whether 4 panel ok?
1 3665can we use breather in a SEALED power or distribution transfomer instead of injecting nitrogen.
1 3543Post New Electrical Engineering Questions
ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant
if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?
I'm generating a pulse of 3V with frequency 80Hz (12.5ms time period) and pulse duration 0.125ms and feeding it to a transformer since i want the pulse to get amplified around 60V. At the output amplification s happening but the pulse is changed to a spike, can you tell me what could be the reason? (an ordinary transformer 220V-12V stepdown transformer is reverse connected ie. now it is 12V-220V stepup and voltage amplification happens)
Discribe type of fault in DOL and stardelta startor.
write down the formula of cable size in RM if current is 50Amp.
how to calculate magnetic force genrated by a coil ?
What is stepper motor?
what reason of line current and phase current in star connection and line current and phase current not equal in delta connection?
limitation of conductor height on ground when we consider EMC
how load of a turbo generator can be increased
can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...
how to find the voltage's of a transmission line plzz help with pictures i am not able to understand
i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com
model question paper for supervisor trainee
Apparent power is expressed as V * I(Conjugate). Why not in V * I ?
