Answer / bivin shankar

by meggering the unlive cable by selecting the option 5kv
in megger and check the insulation resistance value between
the core and harmour and between cores.for the healthy
cable the insulation resistance value should be infinity.

Answer / umesh bawa

we can check HT unlive cable with the help of megger.so in
this way we can check resistance of cable.To remove the
moisture of cable we can give LT line(440v).so in this way
we can remove the moisture.

how fluoresent lamp works??

2 Answers  

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What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

0 Answers  

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What is distance protection relay? where & why we use this relay?

2 Answers   Siemens, UltraTech, Voltech,

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in case of induction motor when overload condition or any short ckt. why stator winding burn not to be rotor winding

2 Answers  

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What OPGW is better than Microwave or PLCC???

0 Answers   Four Seasons,

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What is the accepted limit to increase the choosen transformer capacity over the load and why ?

2 Answers   Asec,

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how does relay works?

16 Answers  

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What is rccb?

1 Answers  

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what is the difference between DOL starter&star-delta starter& automatic star-delta starter

2 Answers   Dalkia, GSK,

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armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

0 Answers  

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9.The material used for coating the electrode is called........

3 Answers   SSC, TELiBrahma,

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In iduction motors the current is higher than normal for both the cases when the voltage appllied is more than the rated as well as less than the rated, why?

2 Answers  

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