does buccholz in a transformer use batteries

2 Answers  

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What is the difference between phase, neutral wire and earth cable. if neutral is connected to ground, y we need earthing cable? what difference in hot and cold wire? do neutral wire carry current?

1 Answers  

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define differential current and restraining current in relays. how to calculate it by mathematically? post the formulaes.

4 Answers   Siemens, VPEC,

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what the good value of earth resistance test

3 Answers  

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Why the transformers are rated in KVA. ? in new view.

2 Answers  

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what is the abbreviation of MIMIC regarding control and relay panels of power systems????

1 Answers   Enercon,

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In a 132KV Grid Station where voltage level is 132KV, here,  why the rating of Surge arrests installed 120KV ? 

1 Answers  

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what is the current setting for different relay protection for transformer .

0 Answers   Crompton Greaves,

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what is green house effect?

4 Answers  

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when a airgap of the induction motor gets larger does it draw more current ??? does it power factor gets lower?

3 Answers  

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How can we findout the maximum efficiancy of Transformer? At which load?

0 Answers   HAL, Tanfac,

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What is the basic working principle of Tri vector meter?

5 Answers   TCS,

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