What is power relay?

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why the the electrical machine coil are damage ? How to prevent it?

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what is sloop? what is meen LLB in and difine?

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In Power Line Communication (PLC) the wave trap is used to block communication signals from entering neighboring lines. My question is this: Why do they allow for different filtering arrangements on these wave traps? Isn't it always going to be a low pass filter since we want the power frequency to go through, and the comm signal blocked?

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What should the transformer connection of a 11/220 kV step up and 66/11 kV step down transformer ?

4 Answers   CGL,

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If my sfu is 64 Amp & its link is 32 Amp then at what amp.my sfu will trip???

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Name of Hydrocarbon gases.

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what is the sludge current

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in delta connection, why motor rotate in high speed compared to star connection?

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In CDG type IDMTL realy O/L , E/F, O/C which are used for out going feedrs,on R-phase o/c element, Y-phase , e/f elecment and on b -phase o/c element will be connected . Why the earth fault on center phase only, why not on other two phases?

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What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

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Which UPS (inverter) is better and why ? 12 V inverter and 24 V (two 12 V batteries in series) inverter which is better ......... which has the longer backup which has the greater charging time which has the greater discharging time thank you

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