We have isolation transformer 25kvA & ONLINE UPS 15KvA
(3PHASE I/P,3PHASE O/P)where isolation should have
connect,before UPS or after please brief.
why the undervoltage relay's interlock is used in earthswitch closing operation of the 400kV line scheme?
what is the effect of constant power factor to the voltage regulation
why neutral wire thin than phase wire in 4pole conductor
If Earthing is poor in a DB of of Residential Building, will residents feel a leakage voltage in a Electrical Ssytem? is this statement true?
what is skin effect?
Pls tell me whether we can use EN3A material for shafts of Permanent magnet alternator.What will be the effect of magnetic and nonmagnetic material for shafts on magnetic properties of PM rotor .
why dc exicitaion used in ac motor....?
Why derivative controller is not used in control systems?
in a diesel generator is there any relation between AVR to fule system?
what happen if steam turbine trip,g.c.b not open and excitation off and on condition?
what voltage generated earth tester meter when we testing the Earth point ?