When measuring the Insulation resistance of a motor winding (winding to earth) using a megger meter, Applied voltage(1000V) was automatically reduced to 500V. and the measured insulation resistance values are also very low (in Kohm range) Can anyone give me a reason???

3 Answers  

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A 12.5 hp slip ring motor taking high initial current and its MPCB is getting open.what may be the reason?

3 Answers  

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what is the application of dynamic Breaking resistor in inverter ? & How it works ?

2 Answers  

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where is the need for short circuit test for 3 see is required and why? can you explain in brief with application

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What is stepper motor?

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What is farmula to calculate Diesel cunsumption as par KVA.

3 Answers   HCL,

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Define peak time.

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On what principle reluctance motors work?

1 Answers  

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A IS TWICE AS GOOD A WORKMAN AS B AND TOGETHER THEY FINISH A PIECE OF WORK IN 14 DAYS.THE NUMBER OF DAYS TAKEN BY A ALONE TO FINISH THE WORK IS 1.11 2.21 3.28 4.42

3 Answers   Ramky,

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State ohm’s law?

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How one can check the MAIN of a house wiring ?

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How can identify meter AC or DC without use of symbel?

4 Answers  

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