Related Questions

If in a synchronous motor, driving a given mechanical load and drawing current at a leading power factor from constant voltage supply its field excitation is increased, its power factor
A synchronous motor installed at the receiving end substation operates with such an excitation that it takes power at lagging power factor. Now if the applied voltage of the synchronous motor goes down, the power factor of the synchronous motor will
A synchronous motor working at leading power factor can be used as
A synchronous motor which works on a leading power factor and does not drive a mechanical load is called as
The induced e.m.f. in a synchronous motor working on leading power factor will be
A single phase transformer has a maximum efficiency of 90% at full load and unity power factor. Efficiency at half load at the same power factor is -
If in a synchronous motor, driving mechanical load and drawing current at lagging power factor from constant voltage supply, its field excitation is increased, then its power factor
The power factor indicates how much of the apparent power is reactive power.
The power factor (PF) indicates how much of the apparent power is true power.
If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: