Answer / dileep nigam

we perform two test in lightening arrestor for checking the
healthiness.
01 power factor test
02 infrared analysis
possible problem in LA is caused by ingress of moisture

For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

0 Answers   Ecil,

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Haw to check conductivity of budbar

0 Answers   Adlec Power,

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Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you

0 Answers  

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What should be the length of transmission line so that we can see/obtain the full sine wave of voltage??

0 Answers   Siemens,

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what will be the minimum megger value for 132 Kv (earthed) potential transformer

3 Answers  

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campared to ac, in dc corona loss is

4 Answers   DRDO,

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why cant we use earth as neutral at home whereas neutral is actually grounded at transformer end?

4 Answers  

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what is rotor earth fault protection scheme in hydro generator & what is dc field flashing ?

2 Answers   NHPC,

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What is hysteresis losses?

2 Answers   GMR,

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When we giving the 3 phase supply to ups system how to coming netural?

0 Answers   Juniper Networks, Tata Motors,

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why do we have 230v a.c. as general voltage for domestic supply rather than others?

2 Answers  

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If 24 KVA AVR having Input voltage 200-400v, Output voltage 415+-1%, what will be the voltage if Load is 13A.

0 Answers   Sterling Wilson,

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