For a Potential Transformer(PT), the primary neutral terminal must be grounded before energization. Why....? What will be heppend if we energize the PT without grounded the primary neutral point? Why..........?

2 Answers  

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Why the output of generator varies eventhough the shaft speed is constant in thermal power plant?

5 Answers  

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To measure insulation resistance of 11KV cable between core & armour, what should be the test voltage & duration?

4 Answers  

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how power factor improves by connecting syncronous motor

2 Answers   ACC,

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what is resver in electrical enginnering with answer

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difference between semiconductor & conductor & insulator?

0 Answers  

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what is the preventing maintenance of transformer

1 Answers  

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-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.

0 Answers  

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by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

0 Answers   HP,

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why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?

0 Answers  

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How to size the Neutral grounding resistor?

1 Answers  

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What happen while we measure the Current in Rotor?

1 Answers  

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