Answer / venkata ramana

Three phase supply produce rotating magnetic field so three
motors are self starting so not required capacitors in three
phase motors.

what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.

0 Answers   ME,

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What is difference between stable and steady?

1 Answers  

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upto how many load can v connect to stabilizer which is used for tv

0 Answers   Sandvik,

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How Arc Extinguish in Minimum oil circuit breaker and What is the function of Radial and axial vents of turbulator in Minimum oil circuit Breaker Where these vents are exists.

1 Answers  

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why we r not earthed Control cable of C.T. terminals

0 Answers   HCC,

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In transformers Which type of connection is preferred for harmonics to be minimum. primary : secondary star without neutral:open delta star with neutral :open delta star without neutral: delta star with neutral : delta explain why

1 Answers   Genco,

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what is the different between bus section and bus coupler

2 Answers  

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In a generator (Synchronous) does the rotor speed (frequency) corresponds to the speed of the water (in hydro). does the torque on the turbine relate to the flow of water?

2 Answers  

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what is the difference between skin effect

0 Answers  

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What is pd controller?

0 Answers  

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What is an automatic controller?

0 Answers  

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If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.

4 Answers  

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