Answer Posted / mac rana

It will not work due to lack of locking between rotating magnetic field and main field

How can I known multiplying factor .without multiplying table

1879

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Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????

1958

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Earth has zero potential then what would be the neutral potential ?

1472

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why we testing the core balance of the transformer before comissioning?

2215

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What is phenomenon of electromagnetic induction and how it works?

1123

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Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

2200

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what is invertor supply and raw powersupply

2163

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please send previous exams question papers

1871

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Explain the method to keep noises low in a control system?

1193

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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?

2519

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what is the difference between oil surge relay and buchholz relay.

7089

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Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

2354

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Write a note on Treatment for electric shock.

1986

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it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

2076

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How to calculate multiplication factor in kva example 500kva ans pls ?

2020

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