Answer / perladel

I think there is a mistake it shoud be 1 second, 1 mitutes fault is a disaster due to thermal force develoment

what's the meaning of the negative going half cycle in the circuit containing a bulb and a switch in series with a input ac source. i mean what happens in the -ve cycle. the dir. of current changes or any other thing. if dir. changes then why we use fuse in only phase wire.

2 Answers  

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HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory

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which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

0 Answers   Siemens,

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WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

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how pt is using

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Why there are semi conductor layers on conductor and XLPE insulation of HT cables

1 Answers  

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I am EEE student i want to improve my core side skills.how cn i approach it?

0 Answers   Suzlon,

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What will happen if we give transformer a dc not ac

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Is there any problem ,if R-Y-B voltage is constant , but the air compressor taking one phase high current.what is possible causes.the said compressor is very new.(55kw).

4 Answers  

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How energy is generated in hydroelectric power plant?

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what is induction motor

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What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection

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