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Can anybody tell me why inductors draw lagging current and capacitors draw leading current from supply?
4 9773WHAT ARE THE SITE TEST APPLIED ON A SURGE ARRESTORS? DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED IR VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV, 66KV 132KV, 220KV AND 400KV?
5 11459is KVAR (not reverse power) relay necessary to protect from excitor field failure on a brushless, synchroneus generator? Some people with previos experince tell me no but the manufacturers tell me it is designed for that purpose. Is it that it is only necessary for brushless generators and not the older style with the slip rings and brushes?
1 4712Post New Electrical Engineering Questions
size of condotory fron voltage level
My load is 1635 KW. & current pf is 0.884, I have to improve it for 0.99.Please suggest what KVAR value is needed?
What is the importance of earthing?
Why 11kv to be generated in generation station
What is Scheme Test of High Voltage Switchgear. Which tests it includes.
What is meant by Low Resistance Cable and High Resistance Cable.
briefly explain the main blocks found in a microprocessor based system
Why power genaration in India is at 50HZ while America its 60HZ
Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method
How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?
can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value
What are marginally stable systems?
Why Ac Systems Are Preferred Over Dc Systems?
State norton’s theorem?
why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain
