Answer / bikinas

graduate in power systems and plant electrification,
maintanance of electrical machines

what curve and rateing would you use for a three phase 0.75kw motor?

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For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?

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Why capacitor is blow when I am starting motor ?

1 Answers  

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how we could know that generator running anti clockwise with seeing the rotating direction of prime mover or engine

1 Answers  

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If we have 630kva step down transformer to operation 3 phase motor 150 kva which size of cable is used? at circuit breaker to 3 phase motor or to electrical board

1 Answers  

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Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

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What is difference between metal clad & metal enclosed switchgear?

2 Answers  

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The capacity of the transformer is 20/25 MVA, Ratio is 132/11 KV, Vactor group YNyno. and impedance is 10.07%. As per the calculation the secondary current is 1312.2Amps. The maximum fault current the transformer should sustain is 13.030KA. How many times the transformer should sustain the maximum short circuit current of 13.030KA over a period up 1 Year. The transformer is repaired one & 10 Years old.

1 Answers  

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how air lock will be removed from generators, how it happens?

1 Answers   ABC Engineering,

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what is different between earthing and grounding for a electrical eqipment ?

2 Answers   BARC, Omega Maritime,

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How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.

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how induction generator generated the power without excition like syncronous generator.

3 Answers  

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