What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

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Starting Time of LT & HT Motor

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What is the speed of 3 phase IM(Induction motor) at no load? How will the Motor meet the increased load(Explain through fundamental)?

2 Answers  

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how much amps can i connect for 4core 120mm armade cable

2 Answers  

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what is a drive ?

3 Answers  

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i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

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WHY LINK NOT A FUSE IN AC CIRCUIT

3 Answers  

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We have 11kV/110V three phase indoor potential transformer in 66/11kV Sub-station, where the failure of PT is frequently happening and the rating of the PT is 0.2 class accuracy, with primary star and seconday (two cores) star connected. Some experts has suggested to not to connect the PT Primary neutral to the ground because when transformer neutal NCT connection is loose; the faulty current will flow through the PT primary neutral, resulting into failure of PT. My question is: Is it necessary to remove the primary neutral connection of the PT from ground? if not, what would be the reason for failure of PT. Please guide me.

2 Answers   KPTCL,

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what is the meaning of 1250 KVA Trasformer

2 Answers  

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WHAT DRESS I SHOULD WEAR WHILE ATTENDING AN INTERVIEW? PLEASE SPECIFY THE STYLE AND COLOUR. CAN A LADY WEAR CHUDIDAR FOR AN INTERVIEW?

6 Answers   Wipro,

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how can we rotate a single phase motor (without cap.)in reverse direction?

2 Answers  

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how we calculate electrical load on a building according to area?

0 Answers   HFCL,

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