Why the wave trap is put in Y phse only in switchyard?why not in other phases?

1 Answers   IAG Automation, REL,

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if dc motor can operate by ac supply ? if its possible means how ?

2 Answers  

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list the advantages of RCCB over other circuit breakers?

0 Answers  

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What happen if we have run 415 V,50Hz designed motor at on 480V,60HZ

8 Answers  

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is it possible to start a motor in felid connected to a remote mcc

0 Answers   BIET,

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What do you mean by eddy current loss?

1 Answers  

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any earth foult trip the relay but in welding time not trip by earth foult

0 Answers   Power Grid, Siemens,

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How to size fuse? How to size MCB?

0 Answers  

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what is the purpose of using filters in a protective relaying scheme?

0 Answers  

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How ElCB tripping if Neutral touch with ground

4 Answers   Sanmar,

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A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

0 Answers   Jindal,

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What is the drawback of class b amplifier?

0 Answers  

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