why two over current realy used in vcb.

2 Answers   BSES, Wipro,

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WILL SCHNEIDER MAKE ACB(MASTERPACT)TRIP ON REVERSE POWER?

0 Answers   Schneider,

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What is mean by making & breaking capacity of circuit breakers?

3 Answers  

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diff between UPS and inverter?

2 Answers  

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What is UPS?

14 Answers   HSL,

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How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

0 Answers   ABB,

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whose motors self starting synchronous or Induction motor?give fact reason why not self starting another mother

2 Answers  

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what happens to the supply voltage if there is any change in frequency?

1 Answers   Gridco,

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What type of DC motor would you see for a lift?

0 Answers   Ericsson,

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what is the kvar, droop, stability,ramp

1 Answers  

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What happen when neutral point connected to core balance current transformer? (Neutral point of an alternator of a 180KVA DG. Neutral point connected to CBCT means enter to the CBCT)

0 Answers   Great Eastern Energy Corporation Ltd,

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What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

0 Answers   Bhushan Power Steel,

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