what is ballast
Answer / thowsif_emerson
An electrical ballast (sometimes called control gear) is a
device intended to limit the amount of current in an
electric circuit.
Is This Answer Correct ? | 4 Yes | 1 No |
what is the effect come when i changed the alternator exciter field winding DC palority(+ve & -ve)which is coming from AVR.
what is meant by impedance testing of transformer and why it is used
What will happen if apply dc source for power transformer
How to checked frequency drive output voltages?
is there any difference between protection C.T and measuring C.T?if yes then what is the difference?
4 Answers BARC, Century Rayon,
A circuit breaker is a
how will you find out the fuse failure by remote operation?
why three phase system is not preferred in aircrafts power cckts if yes than explain reasons?
wha tis the ac motor used for traction system
In legging current reactive power is arise but in leading current which power will be arise ? and in this case, is active power more than rated ?
Is it mandatory statutory requirement of transformer oil filtration annualy despite oil is withstanding required dieelectrical strenth and all others parameters
Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method