Answer / srinualn117

purpose of checking IR value is to find,the insulation
resistance between the phases of winding and with
respective to body also.
Minimum IR value required is for 2megaohms/1KV

Answer / deena

it is check for insulation of windiig between the ground

Answer / prasang

IR is tested to check the soundness of insulation resistance & freedom from earth leakage faults between phase to phase, phase to neutral, phase to earth and earth to neutral...

Answer / bsoni

to chake the winding insulaions & likage of winding

Answer / udaya17

is it to check open or closing circuit of the motor windings

How to choose size of the cable w.r.to current carrying capacity ...

0 Answers   L&T, Saams,

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Do you have any P.L.C in your organization?

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Which starter can be used for 3 phase verriable speed (2 stator wdg) induction motor ?

2 Answers  

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How to calculate the transmission losses incase of overhead transmission lines?

6 Answers   Jindal,

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generaly all power generating devices is expressed in KVA or MVA then why power ststion is expressed in MW

6 Answers  

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what is the pperating squvance in transmission line for circuit braker, isolater & earthing switch.

2 Answers  

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Why the ceiling fan has three blades, why not two,four or five?

4 Answers  

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what is the KVA formula of a three phase transformer

5 Answers  

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In response to Mr Bikas. If fault current is 52 kA then what will be the CT specification

1 Answers  

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WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

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wat is the difference between rotor 1st stage fault and 2nd stage fault?

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what causes contact chatter when there is no demand on the air conditioning unit?

0 Answers  

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