Answer / chirag

we can prevent it by using a single pole or double pole change over relay

What is the deffirant between EARTH, GROUND AND NUTRAL

4 Answers  

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HOW DOES ONE SELECT A TRANSFORMER PHASOR GROUP IE, WHETHER A STAR-DELTA TR OR A STAR-STAR OR A DELTA-DELTA, ETC. TRANSFORMER IS MORE SUITABLE FOR A PARTICULAR KIND OF LOAD OR WORKING CONDITION???

3 Answers   KPTCL,

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700KW 6.6KV slip ring induction motor to use VFD to control the speed

0 Answers  

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Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction

0 Answers  

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what is the value of voltage & current lightning during rainy season.

0 Answers  

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can we use 3 phase UPS for Motors and Other Machines

4 Answers   ACC,

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hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.

0 Answers  

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What are the reason of unbalanced secondary voltage of HT transformer 33kv/6.6kv ? Incomming voltage is balanced.33kv each secondary voltage 6.6 kv 6.4 kv 6.4 kv At no load conditions.

1 Answers  

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why dc supply is given for excitation of ac alternator?how dc can produce flux?

5 Answers  

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why phase to phase voltage is 400v while phase to neutral is 220v?

1 Answers  

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WHAT HAPPENED DC SERIES MOTOR FIELD WINDING OPEN. CAN POSSIBLE.

1 Answers  

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What is the scale analysis for condensor of HVAC system

3 Answers  

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