area control error

0 Answers  

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We have isolation transformer 25kvA & ONLINE UPS 15KvA (3PHASE I/P,3PHASE O/P)where isolation should have connect,before UPS or after please brief.

1 Answers   DRJ ARDE,

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if the syncronous machine run at leading pf and as its field curret increased its armature current decreased is machine operate as generator or motor?

1 Answers  

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why ie corona losses in tranmission line

1 Answers  

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A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

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what happen "when Dyn11 is parallel operation with Dyn1"?

9 Answers  

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Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.

0 Answers  

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ELCBs are installed for protecting humans from AC leakage current.Is there a device which protects humans from DC Leakage current??e.g.leakage from batteries...If not,then why so???

1 Answers  

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how do i convert 22kw to kva

4 Answers   Stag Computers,

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can a synchronous motor be made to rotate in a clockwise direction ?

1 Answers  

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State Maximum Power Transfer theorem.

0 Answers   ABB,

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how to compute kvar in substation feeder to improve power factor and sending voltage

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