what is the difference between "ampere trip and ampere frame"

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What is PQA???Applications........

0 Answers   Emerson,

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What are the different types of transformers present in the Transmission and Distribution system?

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Define thermal resistance in the context of power amplifier.

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how LVDT works?

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dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

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hello friend i wish to study a course related to the electrical construction, controlling and monitoring , which course i want to study? pls give me the name of institute?

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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

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why does connected a indutor with mnsformeretering core of current transformer ?

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

2 Answers   MTS,

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why core of transformer in square or rectangular why not in circle or ellipse if this what happens

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33kv substation lay out details & line to line & line to earth measurements

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