Answer / mostafaghodrat

Means of protection from overcurrents
setting current & setting time
idmt
Means of protection from phase-to-ground connection
setting current
&
And in the least possible time trip

Difference between HRG and NGR. Are they both the same thing

0 Answers  

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

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What is thef ormula to calculate the rating of a capacitor for a single phase motor

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Dear sir, I completed DECE In the year 1995.Now i am working in a private company from last 10 years as an Electrical supervisor.The company having a 1000 KVA transformer.Now i try to apply "C" Licence. I am eligible or not.If not eligible,pls give solution.

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pre arcing time of ehv breaker

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why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding

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What is PCCB?

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How to work star delts method in the case of single phase motor?

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What do u mean by Line voltage Monitor?Where it is used in a Power system?

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In brushless excitation system how generator field current is measure even if the slip rings are absent?

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