1)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?

5 Answers  

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what is electricity

3 Answers   APGenco,

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Pls explan the OLR setting in VCB at HT yard

0 Answers   Juniper Networks,

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define briefly the function of an ac electric generator (alternator)?

1 Answers  

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how do you find making current and breaking current of the circuit breaker

1 Answers  

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what can be the causes of capacitor start motor having a higher current that its actual

0 Answers  

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How to select a cable size for particular load?

0 Answers   Amit Enterprises, Takasago Engineering, Techno Electric and Engineering,

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If the capacity of water Tank is 50000 Liters situated at 20 meters height from ground level,What would be the size of pipe and how much USGPH water will be supplied and what will be the motor or pump rating used for this work?Illustrate by showing formula?

1 Answers  

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WHY CAPACITOR IS NOT USED FOR THREE PHASE MOTORS DURING STARTING

1 Answers   Quest,

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Why should not we run the IM in low voltage, if runs means what will happen?(for example instead of 400V we give 250V supply)

2 Answers  

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while calculating the power absorbed by a resistor connected to the output of a half wave rectifier circuit should we use rms or average current? explain with reason.

1 Answers   Vedanta,

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how to calculate the torque of a motor?

0 Answers  

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