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.

specific gravity of a battery?

6 Answers  

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As per is what is distance between two chemical type earth pit

2 Answers   DAR, Dr Reddys,

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230v AC & 230V DC which is more dengerous for getting a clectric shock between this two voltage?

5 Answers  

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What is the difference between Zero Current Transformer and Core Balance CT ?

1 Answers  

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in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

0 Answers  

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How we calculate the spacing between the conductors in 11,33KV lines?

3 Answers   NHPC,

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Difference between earthing & grounding.?

0 Answers   Nitco,

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What is the function of the serge absorber?

5 Answers  

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can we use HT cables for LT power supply ?

1 Answers  

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WHAT IS THE USE OF ANTIPUMPING CONTACTOR IN HT BREAKERS

8 Answers  

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can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks

1 Answers  

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what is the generation action and motoring action?

3 Answers  

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