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why three phase system is not preferred in aircrafts power
cckts if yes than explain reasons?
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what is the Pickup/drop off ratio in BCPU relays
1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?
Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.
How To increase Knowledge Of boliler regarding To Only Electrical Field..
how to calculate the breaking capacity of different breakers.
How many types of electric motors are there?
Do closed loop systems require manual input?
how to test the turn ratio of 3 phase transformer using volt meter shoe the curcit diagram.
how to commissioning the genset with amf panel?
where was current transformer protection units used and why??
A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.
How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?
What are the types of excitation system?
Define demand factor?
What is rotating magnetic field?Discuss elaborately.
