Reactive Power with Wattmeter: We have already seen earlier that the difference between higher reading wattmeter and lower reading wattmeter yields VLIL sin Φ. So, the total reactive power =…
Reactive Power and The Power Triangle: We know that the average power dissipated is From the impedance triangle shown in Fig. 6.4 If we substitute Eqs (6.12) and (6.13) in…
Power and Power Factor Articles: Instantaneous Power Formula: Instantaneous Power Formula – In a purely resistive circuit, all the energy delivered by the source is dissipated in the form of…
Power Flow Studies Interview Questions and Answers: 1. What is the purpose served by power flow analysis ? Ans. Power flow analysis provides a systematic mathematical approach for determination of…
Tariffs and Power Factor Improvement Interview Questions and Answers: 1. What is meant by tariff? Ans. Tariff means the schedule of rates or charges. Tariff, in case of electric supply,…
Apparent Power and Power Factor: Apparent Power - The power factor is useful in determining useful power (true power) transferred to a load. The highest power factor is 1, which…
Average Power Formula: To find the average value of any power function, we have to take a particular time interval from t1 to t2; by integrating the function from t1…
Instantaneous Power Formula: Instantaneous Power Formula - In a purely resistive circuit, all the energy delivered by the source is dissipated in the form of heat by the resistance. In…