Answer / anjaney

IT is a method to confirm dielectric condition of medium
voltage cable.
terminal is earthed to determine earth resistance

Answer / raul

tan delta testing is done to measure the dielectric
strength of the insulation.........n to determine whether
the insulation is in healthy condition or not.

Answer / shashank vyas

tan delta testing is done to measure the dielectric
strength of the insulation.........n to determine whether
the insulation is in healthy condition or not.
if the new value matches with old one ,than insulation is in
healthy condition
generally value of tan delta is .007

Answer / ravindrareddy

plat earthing good earthing

in our 6.6kv motor feeder[it is having two sources from Bus A&B] earth fault relay is acting, we checked CBCT connection and cable meggerd values found very good still earth fault acting during first two are three start after that it will hold. please clarify what was the reason. if same motor is starting from other Bus-A it will start.

1 Answers   Gasal, Voltech,

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In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?

5 Answers  

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WHY IN WESTERN COUNTRIES THE ELECTRIC SHOCK IS VERY SLOW AS COMPARE TO INDIA.&IF ANY ONE HAVE CORRECT KNOWLEDGE THEN SEND OTHERWISE NOT

1 Answers  

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What is the control action?

0 Answers  

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What is the Nyquist criterion regarding control systems?

0 Answers   GE,

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can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

0 Answers  

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what is dielectric heating

1 Answers  

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what is meant by oil filled power & distrubution transformer ? if anybody know the link of detail about above transformers means plz send it i have interview on this week ? plz help me

3 Answers  

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we want install 11KV generator to supply power 12km far from the power house.Load to be fed is 1MW.which conductor should we use and wat will be transmission line losses?

1 Answers   CEM Engineering,

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can we use HPSV LAMP in HPMV LAMP fixture ?and viseversa.

5 Answers   OPS,

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electricity board have asked me what size meter i need fitted in my garage, its a 415volt supply and i want to run six 20amp supplies tolifts and things plus ten florry lights , what kva meter do i need??

2 Answers   HCL,

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why transformer core is eathed?

7 Answers   ECE,

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