Answer Posted / gurpreet singh
surge arrestor is the device which can only absorbs the
surges(high current) occuring due to any type of
symmetrical or unsymmetrical faults or due to lightening
strokes.it contains earthing resistors which can earth the
extra high current by providing a low resistance path.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
from which subjects most of the technical que will b asked for hpcl(electrical).pls help me
How to calculate the Efficiency of Chiller
what mean by analog ,digital,numerical meters and relays? say the example?
how generator avr give to the input?
if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value
Difference between megger test equipment and contact resistance meter test instruments?
how to maintain frenquncy with syncronising sub-station for distribution
What is s-domain and its significance?
Z transform is use when system is not a) converges b) diverges
how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64
What is installed in PAC that is control the humidity
Define end float in a motor?
how much allowable resistance that can be difference in motor all coils?
Please explain, how to test vector group of tranformer(Delta y1) . Thank
what is the meaning of impedance protected in instrument cooling fan