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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In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

0 Answers  

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what is the relative size of single and three phase?

0 Answers   Student,

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I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.

0 Answers   IOCL,

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what is the frequency of direct current(dc)?

12 Answers   Cognizant, University,

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H.t motor 6600 volt to same motor lt supply 440volt supply applyed to h.t motor to effect....

0 Answers   Essar,

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in fuel level controller what is MOV please define.

2 Answers  

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What is the value of nuetral current in star connected load when DC is supplied to it???

1 Answers  

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How transformer winding & oil gets heat.

3 Answers  

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i am using star-delta connections with reverse/forward direction motion of the 75hp induction motor.What should be the ratings of Main,Delta and Star contactors and why?

1 Answers  

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What type interview questions ask in Electrical technicians

0 Answers  

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why we use condenser in the thermal power plant, althrough the same vapour will be again heated

2 Answers  

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