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technical question -powersystem and switchgearand protection

Describe the test procedure to determine the vector group

0 Answers   MPSEB,

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During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative

0 Answers   Core Solutions,

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WHAT TYPES OF OIL(STRUCTURE) ARE USED IN POWER TRANSFORMER INSULATION?

4 Answers  

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what is reverse power relay brief explanation and in b/w where it is connected

0 Answers  

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one split ac how can told of this ac which Tr tell me us

0 Answers   Wipro,

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why the power factor is low at no load?

1 Answers  

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why two windings are using in single phase AC motor

3 Answers  

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can any one explain me the where is the use of plc and scada

4 Answers  

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What are the advantages of stationary armature and rotating field system?

0 Answers  

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Why scr and igbt used in  ups systeam ????

1 Answers   JLL,

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For Electrical / and Electronic Systems, when we say efficiency is 80%, then what happens to other 20% from the Power consumption.? I.e. what happens to this?

1 Answers  

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what is residual current....

1 Answers  

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