Answer Posted / privin p v

according to KCL midpoint of a star connection is zero potential.If the load of the transformer is balanced nothing happen while neutral earthing broken.But in case of any unbalancing occurs there is no way to go the circulating current and heat occurs.It will damage the transformer

Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.

3352

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how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

1975

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what is the purpose of bypass mode in energy lighting transformer?

2495

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can anyone give an idea about dia calculation in cold rolling mill

1683

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In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

2063

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which type of motor is used in automatic swing gate

2016

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How much ph is maintained of water resistance starter for slipring induction motor ?

2415

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hey guys help me out.....what  are the industrial uses/functions of nozzles in industries 

1596

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1sq mm dc powr cable can carry how much dc currnt

2075

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What are the advantages and disadvantages of negative feed back?

1157

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defination of transistor controlled series capacitor

2647

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what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

1999

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how calculate gd2 of ht motors

2322

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if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required

2479

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I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?

1663

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