Answer / b sumanth kumar

Due to the property of residual magnetism.According to
residual magnetism property when motor is turned off then
the magnetism property of the poles do not lost some what
of the magnetic property will be present by this motor can
produce its back emf at the time of starting

During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

0 Answers  

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WHAT IS RMU AND WHAT IS ITS FUNCTION AND HOW TODISCONNECT

3 Answers   Bhel,

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any body can give me idea or sketch of fuel(Diesel) level controller for genset.

1 Answers  

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What is the Difference Between choke & ballast

3 Answers   ABB, ICS Integrated Computer Solutions,

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Classify milling machines.

0 Answers   Ashok Leyland,

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What happened when voltage will half value of current ...

0 Answers   SCL,

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is it ok to switch lights from a mcb instead of switches

5 Answers  

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Why we need to carry out knee point voltage test of current transformer ?

1 Answers   Power Grid,

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what should be the no load current of an induction motor

2 Answers  

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how one can check the Current of a DC 12 V battery ? Procedure. I told that take a thick wire (having more wires in it) and then join the + and - terminals of battery with the help of two ends of a thick wire .... is this correct or wrong .....

1 Answers  

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What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

0 Answers  

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Can VFD step up to 60 Hz if it is designed to receive 50 Hz input?

3 Answers  

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