What are the types of excitation system?

0 Answers  

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how can we calculate the reactence of the current transformers?

0 Answers  

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How much duration I can keep open the CT if it is under loading condition(100 Amp load)?

3 Answers   Infosys, NTPC, Suzlon,

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what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

0 Answers   L&T,

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why 120 devided with pole and speed multiplication to determine frequency

1 Answers  

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If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

0 Answers   Usha Capacitors,

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how to calculate the current carrying capacity of a 25 & 16 kva distribution transformer.

2 Answers  

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why the current is denoted by the letter 'i'

1 Answers  

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what happen if the secondry winding of the transformer is having less no of turns compare to the primery winding.

2 Answers  

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A circuit breaker is a

9 Answers  

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in 33/11kv stepdown transfomer, transformer will stepdown to 11kv & remaining 22kv where it will go..

3 Answers  

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Why the ceiling fan rotate in anticlock wise direction whereas tables fan rotates at clock wise direction?

3 Answers  

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