why the power factor is low at no load?
Because at no load, the only significant current component is Excitation current which is 90 degree out of phase with the supply voltage. Since pf = cos(@) and @ is around 90 here, power factor is very low.
Is This Answer Correct ? | 3 Yes | 0 No |
why we use end termination xlpe cable on ht kit
How many distance in distribution pole OR 33Kv line pole
What are the causes of eddy current losses?
what is the max working temperature of an oil filled transformer say of about 1500kva.
What is the frequency of dc current????
why ie corona losses in tranmission line
what will be the minimum megger value for 132 Kv (earthed) potential transformer
1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be
What are all the points to be checked while decanting diesel from tanker lorry to HSD YARD
Is a induction motor rotate by back emf ? If not , then how it is rotate ?
The coulomb is a unit of:(a) Energy(b) Voltage(c) Power(d) Quantity of electricity
How can I calculate the trnaformer effciency at different loading condition?