hello every one, what is the difference between the Kvar and farads, Rating on Power capacitor is for eg: x kvar, and normal capacitor is eg: x farads. what is the relation between these two?3 5840
What should be cable size for 75KVA 380/220 3ph transformer3 4271
why two contacts(in series) are using in closing circuit3 4430
What are the uses of MCB & ELCB ?2 6079
explain the existence of reactive power in electrical engg?when it generates?1 1684
Why have the transformer one earthing to their neutral? Why have the transformer many earthing to their body?1 3054
what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?9592
when we should use Central Battery system and UPS system and why? in other words, what are the differences between the two systems?1 15321
hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?1390
1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?2287
In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?1351
Differences between 415v ac and 440v ac3 18922
what happen if one of 3-phase line has a much higher load when we are using delta to star transformer? how we can over-come from that?2 4887
Why different Pressure switch used in marine boiler water circulation system
what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?
WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA
what parameters should we check to reduce the power bill
How to Decide(calculate) Bush bar size for copper and aluminiam ?
Why do we pefer VCB over OCB?What are the advantages of VCB over OCB?
what is level 2 automation?
Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.
what is the best transformer oil breakdown voltage?
what is earth pit , how we can measured it, what earth rods reference
How to calculate the current of Highpressure Mercury Vapour Lamp?what is the basis?whether we have to consider power factor or not?
In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???
can any one provide me a connection wiring diagram for a DG set control panel along with BOM?
How LT megger works ?
WHICH SIZE A.B.CABLE IS USED FOR 11KV.