Answer Posted / minal

power cables are used to carry high ac currents, whereas
control cables are DC operated & ore used in control cables

i m electrical diploma holder i want to do plc $ Scada some body tell me which insitute is best for me near chandigarh

3104

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i have 3500 amp load and select current transformer and perches.how i calculate .please understand

2173

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Explain the propagation of harmonics in the network and influence of phase angle of harmonics.

1966

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plz tel me syllabus and exam date 4 jr executive engg (electrical)

1981

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I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.

2072

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

1922

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What is the Surge suppresor? Why using in a UDB's and How it works?

2206

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What are the two major types of control system?

1103

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How we can defined theecopper cable size if we know the aluminium cable size?

1876

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if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side

1858

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how to fit 3 HP crompton gear motor with conveyor with the use of staring delta starter or ordinary starter?

2015

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what is value of Jin transformer

2100

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What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

6166

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Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

2127

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dc supply given to dc generator winding.how is possible? my knowledge is saying the winding will burn. please reply.

1369

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