Answer / rizwan

"PE" means PROTECTIVE EARTH

dc supply given to dc generator winding.how is possible? my knowledge is saying the winding will burn. please reply.

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how to calculate the chiller load from TR to KW?

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We have 800KW motor operating at 6600Volt,50 Hz supply.During 1st startup it tripped on overcurrent trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad was set on .94 initially.then we set at 0.97 and then it started fine.i dont understand why it tripped first?What are the protections which comes in picture during starting ?

6 Answers  

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why reactor is connected before capacitor in APFC panel

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1.what is surge used in power system 2.what is switching used in power system 3.what is lightning used in power system

1 Answers   Areva,

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how do i commission a distribution transformer knowing all its ratings and transformation ratios?d

1 Answers  

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why frequency meter is connected in parallel in a circuit?

1 Answers   University of Engineering and Technology,

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I am having a DG set.The 415 V from Generator is step up to 460 v and then the same is used for Induction furnace. before Step up, I am connecting LT load to my factory use. When Induction furnace is in service from DG, when i try to start a motor, the generator is tripped.Please tell me the reason.

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how does high earth to neutral voltage affects electronic circuit?

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what is the difference between b c d curves on mcb

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how and where does star and delta connection is used ?

2 Answers  

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What is the relation between frequency and motor rpm?

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