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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 7408Why have the transformer one earthing to their neutral? Why have the transformer many earthing to their body?
1 3999what 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?
10378when we should use Central Battery system and UPS system and why? in other words, what are the differences between the two systems?
1 16668hai 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?
19821. 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 ?
2964In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?
1936what 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 6211Post New Electrical Engineering Questions
Why 9KV surge arrester having 7.65KV of MCOV?
1.What will be stored in online ups EPROM IC?
what is the working process of over & under voltage relay.
kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased
Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?
11 kv input, 66 kv input advantages
what is the difference between droop mode and ischnorous mode in thermal powerplant?
IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?
What is the difference between indoor and outdoor transformer
i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?
which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?
how to identify vector group of three phase transformer by voltage method?
why we used ZNO in Lightning arrester.
What is dc current source?
