Answer Posted / guest

remains same since kva rating depends on iron loss and
copper loss which means it depends on voltage and current.

explain different losses in a transformer.

1211

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Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

1452

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what is mean by dry frequency

2523

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What is the temperature PROFILE OF A FLUID W. R. T. Distance from a sphere to which it is IN CONTACT which is at constant temp.?

2116

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what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

2366

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WILL SCHNEIDER MAKE ACB(MASTERPACT)TRIP ON REVERSE POWER?

2280

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What is inductance?

1275

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what is the difference between ac motor and dc generator

1905

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sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on vikram_raju25@yahoo.co.in

2080

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how to calculate cable size in diffrent loads?

2131

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WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

2121

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How to select a contactor? How many types of contactors are available

3348

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what is the cause of voltage dipp or swell in the transmission lines?

2153

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If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?

1929

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sir, Is their any measuring unit of knoking? please explian?

1953

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