What is tan delta & PPM in transformer? and whats its IS value?

0 Answers  

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Corona occurs between two transmission wires when they (a) are closely-spaced (b) are widely-spaced (c) have high potential difference (d) carry d.c. power

2 Answers   Power Grid,

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In 400KV Switchyard, we have used Circuit Breaker With PIR, what is the significance of PIR & why they'r used?

2 Answers  

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why multiplying factor is used in wattmeter???

1 Answers   Nippon,

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how to apply b license to c license in tneb

0 Answers   Billroth Hospitals,

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Reversal of corrent feature in MCCB- What is reversalof current -explain broadly.

1 Answers  

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EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

0 Answers  

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my first school?

1 Answers  

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how to decide the ratings of the busbar in electrification.give me the proper thumb rule or procedure

1 Answers   ABB,

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what is stalling of a motor?

2 Answers   BTCL,

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i want prepare power grid exam what are book we want refer for electrical ?

5 Answers  

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What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

4 Answers  

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