Answer Posted / dolnarayan patel

Megger is used for insulation resitance measurement between
any phase and earth or ground whereas earth tester is used
to measure earth's resistance between any two points.

EXPLAIN USE OF ROCKING ARRANGEMENT IN ELECTRIC HEATING?

1971

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What is meant by reverse polarity and how it can be fixed?

1305

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how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids

1945

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Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

1736

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what material is the electrical housing wire made of? is there any difference for the telephone lines?

2029

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why fractional pitch winding generally used in alternators?

2998

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What is the HVDC Transmission System? What are the conditions applicable to lay an HVDC Line?

2346

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what is capacitor voltage transformer?? how it is different from potential transformer?

2234

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what maximum range of star & delta in hp or kw ?

1751

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

2088

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What is zero of the system?

1148

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Operation of isolators.

1947

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Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.

1956

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What is the difference between a 3 winding and 2 winding Potential Transformer

2336

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What is the instrument to check the rotating diode fuse of alternator in running conditions?

2514

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