Why the isolation treasforfer are connected at out put of
the ups ig 200kva ??????????????????
- 3 Answers
- 3768 Views
- I also Faced
- E-Mail Answers
Post New Answer View All Answers
The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is
how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.
WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???
Draw a SLD of DG distribution up to main LT panel?
What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?
what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth
Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.
What is knee point voltage of transformer?
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com
why don't we use the generator as a motor? and what will happen?
Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!
What is the ratio of true power to apparent power in an ac circuit?
how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.
Do you need any help with FEWA Electrical Supervisor exams?
If oil and air can withstand a high MeV when used as an insulator in a transformer, what are the values of how high for each material?
