Answer Posted / vipul

it is between 1.185 to 1.250 for ideal condition

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1875

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Define de-sensitivity?

1138

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How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

2101

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any one can explain the stages of a knee point which is taken during ct magnetising curve.

1791

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what is droop control?

2189

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what are the types of electromagnetic forces developed in practical transformer?

2638

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I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

1683

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how to calculate insulation level of transformer?

1690

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What are the advantages of speed control using thyristor?

1127

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what is the meaning of WYE and DELTA in Electric meter?

3831

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send me any model test paper of clerical post of state bank of india.......

1862

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CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)

1849

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I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

1818

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Why we use duplex coil and hook switch in telephone system?

5049

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Why 11kv to be generated in generation station

1678

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