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

1 hp is equal to how much watt?

0 Answers   Blue Star,

List out the types and name of the motor under their application?

0 Answers  

why is used for starters for staring motors?

6 Answers   Amrapali, L&T,

Does dry and oil transformers both require dedicated neutral, because in my project we are using 2500kv dry star delta transformer, where they say neutral not required and even it is not provided in our substation. can u let me know

2 Answers   Voltas,

What should be ideal IR value for 11kV, un earthed, 1 MW motor?

3 Answers   Sail,

why ac supply neutral should earth not in dc (-)

2 Answers  

i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

0 Answers   May Baker,

how many winding in the single phase transformer?

3 Answers  

what does the regenerative braking mean?and how it used for Dc motor? thanks.

2 Answers  

what is reverse power relay brief explanation and in b/w where it is connected

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what is the difference between home inverter and online ups?

2 Answers   ME,

Define what is difference between fuse and breaker?

0 Answers