tell me about sf6 breakers

4 Answers  

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why field winding is placed on rotor winding not on stator winding in case of synchronous machine?

13 Answers   HAL, TATA,

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why generator and t/f ratings given in kva?

2 Answers  

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While starting a high capacity motor, it takes 6 times the full load current. Why it doesn't trip relay or CB's in that network?

4 Answers  

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why nutral and earthing wire connect with each other in main panel board.

2 Answers  

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How do we calculate Blower drive Power (kw) If we have Volume m3 and Pressre (mmWC)

1 Answers  

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what is power factor ? how we can calculate the low power factor and amount of capacitor for improve that low factor ?

0 Answers   AB, JLL,

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Formulae for calculating the transmission line losses for different voltage levels

0 Answers  

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What is the minimum setting in REF relay because i am facing some problem whenever power resumes after power failure my transformer is tripping because of REF trip. I am using CSPC make numerical relay(DIP switches). Now setting is 15 percentage. What is the reason for this triping. I sm waiting for answer

2 Answers  

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wich timer i have prefred for pusher operation fwd & back?

2 Answers   AluChem,

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What is the difference between 11kv/110v & 33kv/110v ? If both 11 & 33KV give 110v then what is the diiference ?

1 Answers  

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what is the preventive @ predective maintenance

2 Answers  

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