Answer / tapeshwar pandey

It should be more than 11 mega ohm as per thumb rule.

Answer / kani

insulation resistance must be infinite otherwise leakage
current will flow ,so that insulation detoriation happen

Answer / murthy

Ideally in the range of 5oMohms is required for less
leakage current.2Mohms per KV of the cable at room
temperature is a thumb rule

dear all, in motor operation , motor is of 100 hp and bimetal relay setting is 130 amp, if relay is getting tripped on 120 amp balance current what can be the reason? Relay is newly replaced. I dont know but is there any frequency effect in thit case? Can frequency variation affect bimetal relay operation?

1 Answers  

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what is ATS & RING MAIN UNIT in Distribution System?And its Function.

0 Answers  

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which motors are used in electric traction?

1 Answers  

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Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.

0 Answers   Motherson, Motherson Molds and Diecasting Ltd.,

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What is dry and wet flashover.

1 Answers  

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Do anybody has a design software or tools for the selection and design of electromechanical components???

1 Answers  

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why are using bus ducts ? why not using cables

12 Answers  

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How to Calculate the current drain in the battery (1.4V) for the 2mins time period?

7 Answers  

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What is Antipumping Function & If we have C.T how we find the Ratio ?

0 Answers  

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What will be the output of an alternator ,if the field current is single phase ac supply.

1 Answers   DRDO,

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they conducted technica for 1 hour..i also managed..they selected 5 boys and only one girl,myself got wait listed.whether they would call or not

2 Answers   MAHINDRA,

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why transformer are not used in D.C SUPPLY

5 Answers  

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