How Negative Phase Sequence Relay works in case of Synchronous Motor?

4 Answers   L&T,

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why we use carbon brush in exciter&genrator?

5 Answers   ABB, SMC,

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i need to calculate high voltage line power factor daily basics but there is meter reading kwh and kvah while calculating power factor kwh/kvah formula was right. for examble there is point c=13kwh c=1.8 lag c=1.2 lead and c=14.5kvah like that i know that p.f =kwh/kvah but c=1.8lag kvarh and c=1.2lead kvarh points i dont know if u know please reply

1 Answers  

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what is ALF and ISF in current transformer?

1 Answers  

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What would be the size of wire used for 2 Ton of window A.C?

0 Answers  

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PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?

2 Answers   Siemens, UPL,

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How many types of relay are present in a VCB and ACB, what are the tests we can conduct on both breakers and how to set the relays values

2 Answers   Hyundai, Sodexo,

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why is the vector group analysis done in transformer tests

28 Answers   K K Rao, Lloyds, Nicco Engineering Services Limited, Qatar Petroleums,

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why tan delta test is carried out in the power transformer? which parameter are measure?

1 Answers  

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If the damper winding on the rotor of a synchronous motor is removed after starting what will happen?

7 Answers   IOCL,

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transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?

0 Answers   Bhel,

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Why iron core losses are constant at all loads in a transformer ?

1 Answers   GATE,

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