Answer Posted / raghunath patil
it is a protecting device which can used for motor
protection to reduce the starting current or trip the motor
when it takes the exceed current than its rating.
Is This Answer Correct ? | 15 Yes | 1 No |
Post New Answer View All Answers
give me atleast four differences between circuit and network
How to do cable sizing calculation for 750 A Neutral Earthing resistor for 33kv. the 33kv cable going to swbd. is 630mm2 3 runs.
what is meant by vector group of a transformer? How can it be derived?
how the phase convertor changes the no. of phases
1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?
What does the term supermesh means?
although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?
how is capacitor bank look like
trasnfarmaer core make
11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??
why we use circuit breakers for switching instead of normal switching device?
How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?
Why hydropower is called renewable source of energy?
why we have and use 3 phase not 2 or 4 or other in power system?
What are the significant parts of dc generator?