What is the difference between sensitive earth fault and restricted earth fault in power transformers?

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how to get bearing & winding temperature of an induction motor?

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All the voltage drops and the source voltage added together in a series circuit is equal to

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the problem faced on star or delta winding connection??

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how does damper winding produces torque in synchronous motor?

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At light load transformer efficiency is less because A secondary output is low B transformer losses are high C fixed loss is high compared to output D copper loss is small

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I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?

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while running ,synchronous generator is being turned off.what will happen to the current flow??

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power requirement of an l.e.d?

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What is the function of wave trap in an electrical substation?

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can any one tell in easy method for circulating current ??

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what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

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