In what cases (circumstances)we should apply P controller, PD controller, PI controller & PID controller ?

2144

why swinburnes test cannot be performed on series machines?explain

2316

what is upper impedance and lower impedance of a distance relay

1993

Define ohm’s law for a.c (alternating current)?

1015

In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.

3277

What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

2010

Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?

2245

Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????

1773

can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

4975

the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

2179

star delta starter contorl circuit... drawing..

2041

physical identification of HT & LT panel

1640

If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

1379

how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.

1883

Please send 110 kv sb station full single line drawing(sld)

2427