Can the Neutral and Body Earthpits of a transformer conncted together by Earth strips under ground.4 9016
What is the battery voltage limit3 2331
why use generator Earthing/Graunding.4 5556
what is earthing.how we make it,describe briefly.
If one 10 Hp 3phase induction motor connected in 380volt 50Hz. and again its connected to 380volt 60Hz. howmuch currrent and power take on both time?????1 3195
what happenes if the core of the transformer saturates?4 4823
1.In two wattmeter method if one wattmeter shows Negative reading then wat is reason? 2.Wat is the reason for low voltage in houses? 3.Wat is meant by current and voltage? wat is difference between the two?9 38460
what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.1160
FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?
How to know vacuum in vacuum cylinder of breaker in working condition
what is difference between 5A and 100A CT constructional wise and operation?
what is the necessity of under ground cables ??
Define end float in a motor?
why the pf of semiconductor device is improved the electrical devices
we use capister for power factor. when we use capaciter in dg circuit than defect dg. can we use capaciter bank for dg circuit
Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.
i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value
we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?
12.5 tons a/c is their how much kva generator can recommend to the customer.
what is the ms flat constant for calculating earth mat design calculation?
Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?
How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?
pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..