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

Benifits of 3ph 4 wire metering over 3ph 3 wire

2477

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Is a d.c.compound motor is use as a booster? how?

2129

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what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

11711

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when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1719

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Why we cant store an ac power. If we coo store in which device we can?

2177

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plz send me the procedure and syllabus for mseb exam

3863

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for a 500 KVA connected load, I calculated 30% of capactor for power correction. Even after using 225 KVR capactor PF is not improving. What could be reason for low Phase correction factor?

1964

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Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

1945

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in star-delta tranformer,if the input of star connection is 400/7v 3 kva then what is the output of delta connection?

2134

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What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

2166

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how to caculate cable size for diff types of loads? if anyone know the calculating procedure please tell me

1439

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what should be the acceptrd value of winding resistance for 2.5MVA transformer

2304

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What is The Resistance Formula

1278

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in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

2862

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when it is possible kvrah lead & fundamental kwh be equal in electonic trivector meters (3 ph)

1996

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