Answer / k.prakashchandra

Nothing . Reversal of field polarity is recommended to reduce residual magnetism

What is the maximum and minimum rating of UPS?

0 Answers   Indiabulls,

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What is the name of the winding to which supply is given?

0 Answers  

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If a motor of 30KW rating &200 mtrs distance from feeder give me the cable size selection calculation?

0 Answers  

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What is proportional controller?

0 Answers  

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1 HP = how many Kva

5 Answers  

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3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

0 Answers  

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If a contactor need to replace with faulty one. what I want to check?

2 Answers   Bhel,

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What is the pratically meaning of neagative going ac current.

1 Answers  

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Load break swicth maintenance procedure.

0 Answers   KSEB, L&T, Siemens,

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Input power is 380 - 450 V but with 45 - 55 Hz frequency - desired output is 415 V and 50hz with 1% variation permissible. CVT / Servo dont stabilize the Frequency - what is best solution??

7 Answers   IOCL,

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What are the protections for safe running of electric generator?

0 Answers   Hetero,

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why select the 3 phase power supply system in electrical system.

3 Answers   RSE, Yamaha,

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