what will happen if OLR CT in all phases are short circuted

0 Answers   Indfrag Limited,

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Explain the process of commutation in a dc machine.

0 Answers  

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Why we are mostly using a single 3-phase transformer instead of three 1-phase transformers?

7 Answers  

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Why the cores of large transformers build up of circular cross section?

0 Answers  

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wht do u mean by constant flux linkage theorem ?

3 Answers  

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why burdens of VTs is more than CTs?

0 Answers  

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What are the commonly used schemes for the bus zone protection?

0 Answers  

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We are getting supply at33kvand it stepdown to 11kv.So Our requirement is 11kv voltage.why we draw 33kv from the grid instead of 11kv?

2 Answers   Birla,

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what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?

0 Answers   CG,

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What is power factor? How to improve Power factor? draw a circuit diagram showing the connection of power factor improvement equipment to the electrical instillation.

1 Answers  

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What is the difference between earthing & neutral.

2 Answers  

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when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

4 Answers  

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