How Calculet The UPS AH In Load

1836

Mention the difference between Analogue and Digital circuit?

1092

What is MSL designation of a motor and same may be provided in details.

1668

suri transmission

4702

what are the protecyion of transformer & generators

1926

2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?

1967

Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

1980

Explain the role of a car driver as one of a feedback mechanism.

1137

in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}

2809

what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

2063

Why derivative controller is not used in control systems?

1129

if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side

1832

Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.

1885

how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

1983

3phase cable calculation formula by motor load

1468