Answer Posted / r n singh

The fuse size(14-36 swg) in the secondary side of the transformer is readily available in the market, whereas the fuse size for the use in the primary side ie in 11 kv will be very thick. It is very costly as well as not possible to use manually due to ever threat of electric shock. However, the AB switch is utilized in the primary side of the transformer.

PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

2281

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-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.

2109

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what is meant by vector group of a transformer? How can it be derived?

2019

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distribution is maximum done by a)radial b)network c) parallel d)b & c

2027

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What happen when change order of CT in GIS feeder?

1654

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how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1928

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What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

2057

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How to connect the chemical earthing and complete process tell me plz

1871

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i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

2128

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what is doid

2828

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How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

1993

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i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

1866

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Define pole pitch?

1105

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What does a Bode plot tell you?

1322

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List the disadvantages of constant k filters?

1681

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