Answer Posted / vamsidhar

copper loss depends on current(amp) and iron loss depend on
voltage(volt) ,hence transformer rating is in kva

at what base you will tell the direction of rotation of dc motors and generators?

1081

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Graphs of measuring power and speed on dc motor

1912

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Draw torque - speed curve and load curve of induction motor? mark operating point ?

2005

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explain different losses in a transformer.

1059

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what do u understand about FACTS? how they are useful?

1919

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What is force on parallel conductors ?

1033

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what is the clear formula to calculate cable size for a load

1923

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If UG power cable both ends are to be earthed or what? If not why?

1878

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How is the percentage impedence of a transformer fixed at design stage???

1929

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what is the difference between b c d curves on mcb

1755

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How to select the proper VSD to operate high inertial load

1675

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What is the capacitance values of 132,220,400 & 765 kV current transformer

1863

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how the inner and outer body is separated in aircrafts?

1028

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What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

1935

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What are the relays in ACB and VCB

2154

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