What is BusBar integrity test and how it is conducted?

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What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?

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what is the Space heater? why using in Electrical motor?

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The neutral&earth voltage is 0v.But we were connected the lighting load at the time ballast was failed.why?

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what is the difference between ground and neutral?

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what is the responsibilities of electrical project engineer?

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when the flux enters into saturation mode then what will be the secondary voltage of the normal t/f?....high or low ? explain ...how?

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The power showed in the name plate of the motor is input power or output power?? The power showed in the name plate is 18.5kw measured current is 34.5 amps. location is india. can i calculate the efficiency of the motor using this data??

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what is the difference between UPS & Inverter

7 Answers   HAL,

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what is different between relay and plc?

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I have a 600VA UPS for computer only. It holds for 20minutes only. 1. Can it be upgraded for longer period.? 2. Can it be used for one ceiling fan and a tube light? If yes, how to upgrade?

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in a solar power plant,we are going to step up the voltage 350V to 33kv, and to 132kv GSS. i want to ask that if it is possible that 315v/33kv is not possible because we also use 315v/11kv. or it should be 415v/33kv? is it effects generation or losses?  the second question is-generation is depends on LV winding? or LV winding design for generation voltage?

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