what is the difference between 3 phase 3wire &3phase 4 wire meter?what is the advantage of 3p3w over 3p4w?

1 Answers   L&T, MahaDiscom,

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why rotor resistance starter is not suitable for squrielcage induction motor?why it is suitable for slipring induction motor?

5 Answers  

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why generating voltages are of 11kv 33kv 22kv of 11 multiples

5 Answers  

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What is core CT & it's function?

0 Answers  

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what is the difference between megger and earth resister ??

0 Answers   HMPL,

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what is voltage,current,restance,. what is single phase&three phase motar. what is basic electrical 'farmoulas. what is defirens quetions of electrical maintenance.

2 Answers  

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1) name the communication cable and how it is communicate in between plc to modbus , plc with hmi? 2)name of the communication cables?

1 Answers  

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In three phase supply why we use R Y B Colour not other.

4 Answers  

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In HT overhead line why should provide top conducter which is not connected whith insulater..?

3 Answers   Essar,

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Why capacitor blocks DC current?

2 Answers  

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How does the slip regulator works as a startor

0 Answers  

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explain with diagram how to protect transformers and substations from over current with help of CT's?

0 Answers   BARC,

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