Which standard i will refer for size of earthing conductor for equipment? (Eg:415V Switchgear, MCC, DB shall be 50x6mm GI flat)

1 Answers  

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A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

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Why primary batteries not rechargeable and secondary batteries are rechargeble??? If any one know please send me.

1 Answers  

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What is block diagram?

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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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sir please send me previous year questions of jspl through which i could prepare myself fpr the test.

64 Answers   FGH, HFT, Jindal, Jindal Steel and Power, JSP, JSW, Lin Engineering,

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Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes normal. we checked each and every connection some times we are getting 110 volts like that from earth to neutral again it is reducing we are getting supply from 45 kva DG set give earthing properly.

3 Answers   Triveni,

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what is the term of desruptive voltage

5 Answers   Bhel, Energy Infratech,

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why voltage is low at reciving end in summer??

4 Answers   JSW,

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How works the AVR in DG Sets Plz explain??????????

1 Answers  

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WHAT IS THE MEANING OG (li = 7 In)

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what happen if the parallel generator phase angle shift by 1 degree in manual mode

0 Answers   EEEC, MEC,

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