Answer / murali

thumb rule 1KV we get 1Mohm. if suppose 415V motor we get 0.45Mohm.

Megger is the instrument name. it is insulation resistance value.

Answer / pradyumna171

megger value of any appleance should be 2 multiply with working voltage in kv plus 1 ie a 440 volt motor should have 1.88Mohm (2* .440 +1) , it is the minimum value. And megger voltage should be twice of working voltage of appleance.

can we use ac ameter as dc ameter with ct

1 Answers  

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STATE WORKING OF VACCUM CIRCUIT BRAKER?

0 Answers   ABB, BEML,

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how to calculate the multiplication factor in HT incomer trivector meters

9 Answers   Dalkia, Getco, Gujarat Energy Transmission Corporation Limited GETCO,

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Why a ballast and ignitor is required in MH and other lighting fixtures

2 Answers   Future Group,

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What value of resistance required between Saftey earth and instrunment earth , maximum and minimum values required

1 Answers  

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how does induction motors works.

1 Answers  

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How Kneepoint voltage of CT practically related when CT in service. ie Knp is above 670 what exactly means

0 Answers   ABC,

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how can get electrical c licence.now i am working in spining mill , transformer capacity 2750KVA. SANCTION DEMAND 2250KVA. PLEASE ADVISE ME . MY CONTACT NO 09944226823

0 Answers  

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Power Factor Controller

1 Answers  

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what are the sections in a high voltage system(eg:incomer,buscoupler,isolator

1 Answers   IGL, L&T,

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will we have to design the UPS differently for both i.e. if we want to connect the two batteries in parallel and/or we want to connect the two batteries in series ?

4 Answers  

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why we r using alternator instead of d.c generator and induction generator

1 Answers  

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