After synchronization with grid how to maintain the
power factor in lagging or in leading? if lead of lag what
is the problem?
Answer Posted / k.prakashchandra
Pf lagging means over-excitation ,leading pf is caused by
under excitation.Maintain pf at 0.95 t0 0.98 lagging by
varying the excitation .
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
what is meant by twilight switches 7 where its applicable ?
What is Antipumping Function & If we have C.T how we find the Ratio ?
I use 20 nos led tube 4feet, in pathway 100mtr approximate, so what size cable i use for lighting
typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?
what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.
When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?
Z transform is use when system is not a) converges b) diverges
what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable
Pl.brief me any electrical major fault you have rectified.
how to revers the direction of single phase motor
What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer
In a synchronous motor. if start is running at high speed. What will be the starting torque : Higher Lower Zero
why only exciting current is shown not primary current in transformer???
Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?
How to determine alternating current frequency?