why we are caling 440 volt 3 phase supply instead of 660 volt 3 phase supply? because each phase as a voltage of 220 volt. if anybody know the answer for my question please send it to my mail id. thank you.

3 Answers   College School Exams Tests, Jindal Steel and Power, JIOL, NEC,

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Technical requirement of Copper earthing over GI earthing.

1 Answers  

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what is meant by auto transformer?

4 Answers   Suzlon,

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What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?

0 Answers   MES Military Engineer Services,

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how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)

0 Answers  

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Where -48 volt DC use & why?????????

10 Answers   Ericsson, INDUS, Indus Towers, Telecom,

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What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

0 Answers   Kirloskar,

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how to decide choke rating for drive?

0 Answers   Reliance,

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Types of 132KV and 222 KV protection.

1 Answers  

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What is time invariant system?

0 Answers  

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What must the distance between two MV cables be when they are laid on tray?

0 Answers  

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IF I USED VVVF DRIVE IN FAN APPLICATION MOTOR IN 6.6 KV ( 700 KW) MOTOR & DURING NORMAL RUN OPERATION TIME IF RPM SUDDENLY REDUCE IN MOTOR BY DRIVE(E. MOTOR RPM REDUCE SUDENLY 687 TO 550 RPM) WAHT WILL BE HAPPEND IN DRIVE

1 Answers  

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