Answer Posted / arul raja.y

Because we will not connect proper earth in case any fault on earth line is passed to equipment.
You will be arrange the proper earth then you will connect the lamp between phase to earth.

Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?

4338

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Which material is used for the core of a transformer and why?

1086

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in what type of applications v can use q meter?

2109

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IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

2344

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What is open delta Xformer? It's adavntages & Use?

2214

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How can we calculate the motor frame sizes?

3392

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Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

1949

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i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

1855

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What is the criteria that generally follow by distribution licenses to fix contact demand of their industrial customers?

1512

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How can we measure the residual voltage in dc machines?

1838

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battery capacity use of made?

2518

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Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir

1913

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wow to calculate the transformer rating(KVA)

2247

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How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?

2278

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Safety of dry type transformer

1949

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