WHAT IS DIFFERENCE BETWEEN idmt and instentanous relay? is idmt is used as back up protection or else?or when instantenous relay saturates IDMT will operate???

1 Answers   BK, REL,

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whye the current increases in the motor when the load on the motor increases

3 Answers  

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In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)

0 Answers   ABB,

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what happen if drive input fail momentry at 48.5 HZ frequency?

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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How do you know when the battery is fully charged?

6 Answers   ABB, Pricol,

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3,12,24,33,_ ,75,150 Find the missed number in this sequence

2 Answers   HCL,

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1 amp means-how many electron flow per second. ?

2 Answers  

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How to determine alternating current frequency?

0 Answers  

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hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar

0 Answers  

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How can we save theft of wire after finishing of wiring work, plz suggest another answer other than security or supervisor's work?

1 Answers  

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What is meant by SMPS how it working ... and where it used

2 Answers   MTS,

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