what is the safety of VCB.

5 Answers   Nagarro, Roto Power, RotoPower,

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why high speed tripping relay is used in protection circuit why not normal relay

0 Answers  

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what is 30-phase of transformer

0 Answers  

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dear all, in motor operation , motor is of 100 hp and bimetal relay setting is 130 amp, if relay is getting tripped on 120 amp balance current what can be the reason? Relay is newly replaced. I dont know but is there any frequency effect in thit case? Can frequency variation affect bimetal relay operation?

1 Answers  

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What is the tube exial fan?

0 Answers  

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Before i went to bed my master bathroom lights were working fine. At 2 am, when I went to use the lights, none of them were working. The outlets throughout the bathroom work, but the lights and fan above the toilet don't. I have two panels of switches. The one panel has four switches. One of the switches turns on the hall light, and that works. The other three are to other lights, and they don't. The other panel has three switches. One of those is to the fan, and the other is to a light above the toilet. The other is a to light that is also on that other panel. I tried the breakers, and the one that turns off the outlets, marked for the bathrooom, turns on and off the outlets. None seemed to be tripped. I checked the lightbulbs, and they are fine. Please help

2 Answers  

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what is the necessary of using inductance property in transmission lines even through resistance is used to opposes the high current flows in that?????

0 Answers  

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What are test signals and their significance?

0 Answers  

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1.what is difference between line,neutral and earth 2.IF single phase voltage is 230v ac and what should be the voltage between line to neutral,neutral to earth and earth to line

1 Answers  

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why we use to transmit the power in three phases intead of single phase ?

5 Answers  

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Is it possible to run HT motor through LT VFD (LT VFD supply given to Transformer LT side and transformer HT side connected to motor)

1 Answers  

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KVAR Kilovolt-Ampere-Reactance

2 Answers  

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