What is difference between lpf and upf wattmeters? - Answers
Sep 16, 2023 · UPF (Unity Power Factor) is connected as the power factor is 1. Unlike OC where quantum dynamic rules apply in SC the time space gravitational lensing takes place which is …
What is difference between 0.8 leading and 0.8 lagging power
Apr 28, 2022 · By definition, the terms 'leading' and 'lagging' refer to what the load current is doing with respect to the supply voltage. So, for a 'lagging power factor', it is the current that is lagging.
How do you convert MVA into MW? - Answers
Oct 3, 2023 · The power in a 15 MVA (15000 KVA) transformer depends on the power factor. You did not specify the power factor, so I will assume a power factor of 0.92. Simply multiply MVA …
What is the value of power factor for a pure capacitor? - Answers
Apr 28, 2022 · 0. Power factor has to do with the amount of real power. if you have a purely capacitive load, there is no real power flow, thus pf = 0. For purely resistive load, power factor …
Power factor for pure resistive circuit? - Answers
Oct 3, 2023 · 0. Power factor has to do with the amount of real power. if you have a purely capacitive load, there is no real power flow, thus pf = 0. For purely resistive load, power factor …
What is the function of the capacitor in the fluorescent lamp?
Feb 4, 2025 · The capacitor in a fluorescent lamp is primarily used to improve the power factor of the lamp's circuit. It helps to correct the phase difference between the voltage and current in …
What is effect of power factor on the readings of wattmeter?
Oct 3, 2023 · If you are asking whether power-factor improvement has any effect on a wattmeter reading, then the answer is no, it doesn't. Improving the power factor of a load has absolutely …
Why the rotor of an alternator at rated power dissipates more
Apr 28, 2022 · In an alternator, the load current is supplied by the stator and the excitation is applied to the rotor. When the power factor is low (lagging), more excitation is required to …
What is resistive power discovery and how does it work?
Jul 25, 2025 · Resistive power discovery refers to the process of identifying and managing the resistive power losses in electrical systems, particularly in power distribution networks. It …
What capacitor size do need for a 5kva generator? - Answers
May 10, 2025 · The capacitor size for a 5 kVA generator typically depends on the power factor and the specific application. A general rule of thumb is to use about 0.5 to 1 microfarad (μF) of …