Answer Posted / gunasekaran

this question is not clear if line voltage=sqr3 times of
phase voltage if u connect phase to neutral than it will
purther reduced sqr3 times.

Why we used 690V in ACS 800 drives.Why dont use standard voltage like 415v or 1.1Kv

2461

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How to calculate the size of earth cable to earth the neutral of UPS ?

1949

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hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites

2137

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What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

2114

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how to compute kvar in substation feeder to improve power factor and sending voltage

2153

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I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

1714

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Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

2806

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Can a generator runs after getting 1st stator earth fault.

1415

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what is (+) and (-) in generator field detector stand for?

1856

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A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

2439

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any earth foult trip the relay but in welding time not trip by earth foult

3183

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how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

1754

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in what type of applications v can use q meter?

2148

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Compare jfet’s and mosfet’s.

1291

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Why using synchronising methed in DG's sets?

2221

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