What is SNMP Card Monitoring in UPS???

2 Answers   Emerson, MAA, SNMP,

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How is the connection of the tap changer on the HV side been made?

0 Answers  

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in an industrical wiring, why we are using lighting DB and Power DB separately?

3 Answers  

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Where is the center of magnetic field in alternator

1 Answers   GMR, Siemens,

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what is differance between kvarh $ kvah

1 Answers  

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how c-curve of mcb's actually looks alike?

0 Answers  

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how to handle 2500 kva transformar

0 Answers  

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PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

0 Answers   ABB,

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While connecting bulb in Series/Parallel,there is any difference in glowing

3 Answers  

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The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag

1 Answers   GATE,

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explain comutator action in detail.thanks

0 Answers  

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what is fundamental difference between voltage and current

5 Answers  

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