Answer / yousaf ali

Megger also called Hipot (high potential) test is used for
high voltage insulation, while contact resistance meter
measure the resistance of contact of circuit breaker it is
usually in micro ohm.

Answer / babu

megger for high resistance measurement(cable insulation)

Answer / anwar

Meggar used to measure cable resistance,conductor
continuity,phase identification,etc..
where as contact resistance meter used to measure low
resistcance like relays,contactors.

what is earthing/

3 Answers   B.Tech, CPCL, Mobiserv,

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What is the need for checking knee point voltage for CT's?

1 Answers  

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Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???

0 Answers  

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Our Company's Contract Demand is 110 kVA. We use 12 Capacitors each of 12.5 kVAr Capacity to maintain Power Factor of 0.99. So, what steps should we take so that our Contract demand does not exceed 110 kVA?

1 Answers   Jindal,

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Can we use generator transformer as step down transformer? How?

3 Answers  

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why do you give the dc supply to field of alternator

3 Answers  

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why m and c are shorted in wattmeter

1 Answers  

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WHAT IS THE CURRENT CARRYING CAPACITY OF 2.5/3 CORE HI TUFF CABLE,WILL IT SAFLEY CARRY 8.6 AMPS OVER 120 METRES,CAN YOU ALSO ANSWER WITH FORMULA FOR WORKINGS OUT ,THANK YOU 3RDYR APPRENTICE.

0 Answers  

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when will be the iocl interview results i faced interview on 8th september 2008 iam from electrical branch i faced interview for the post of electrical engineer??????????????????????//

0 Answers  

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How to test the thyresitor or SCR by multmeter?

5 Answers   ABB,

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What is a circuit breaker contact multiplier relay?

2 Answers  

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What is the avergae difference between OTI and WTI for EHV Power transformer?

7 Answers  

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