While starting a high capacity motor, it takes 6 times the
full load current. Why it doesn't trip relay or CB's in
that network?

Answer Posted / praful nandankar

Circuit breakers are given sufficient delay time,hence the
relay will not trip when motor takes 6 times the full load
current.

praful nandankar

Is This Answer Correct ?    1 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1468


what are the application of over current relay?

4248


please send me previous year questions of jspl through which i could prepare myself for the test.

1380


What is different bewteen low or high impedance busbar protection scheme

3672


in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?

1464






Is there a possibility to use such a treshold voltage for the NMOS part of a CMOS circuit that during the switching it will start conducting only after the PMOS part will be already closed, by this eliminating the leakedge current? Please note, I'm not asking about the well bias in standby mode, but about the "antileakedge" measures during normal operation.

1577


what is the eight bit unit?

1975


Do closed loop systems require manual input?

666


I Just want do EHS Certified Certification Distance Course From Govt approved,so can any body provide me details.

1695


Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

1625


Transformer diagram mention each parts ?

1587


what is the formula for hv test for cable and circuit breaker..????

1546


how the CT and PT is connected in the circuit during testing of transformer explain with diagram

1517


How to calculate Voltage regulation of 22 KV Over head Line.

1200


I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?

1396