how to find insulation resistance of a motor(415v) by theoretical formula??

2 Answers  

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Do you know the overhauling of a motor?

12 Answers   EdCET, Mecon,

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What is the most accurate way of testing ELCB?ELCB is better than RCD?

0 Answers   GECO,

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What is the significance of integral controller and derivative controller in a pid controller?

0 Answers  

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what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?

0 Answers   Apotex, Periyar Chemicals,

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If we increase frequency in transmission line in lieu of voltage what will happen?

1 Answers  

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when the diameter of the core and cable is doubled, the value of capacitance ?

2 Answers  

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KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason

4 Answers   Suzlon,

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Anybody know how schematic diagram for reverse power relay? RPR for generator protection

0 Answers  

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how many test is necessary for 27mva transformer.

3 Answers   HEG,

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What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

0 Answers  

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how to control the generator output voltage? what r the condition should satisfy for synchronization?

7 Answers   HP,

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