Answer Posted / samuel adegun

The question is not complete,Specify the number of phase(s) and voltage/phase at which u desire to load your appliances.

What are the basic & Majour problems in UPS ?

2172

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why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

2005

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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 do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

2024

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What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?

1941

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Is the theorem applicable to ac sources?

1099

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what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.

3286

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A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

2308

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What is the function of probe in cro?

1261

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who many types of fire explane with exmple

2286

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For group 1 , 2 whather i have to prepare my technical or general studies etc? and im graduate in ee engg. for wht posts im eligible for? please tell me!

2257

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Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?

2194

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why is control bus bi-directional?

2208

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Hello Guys !! i want to rrb section engineer electrical(signal) previous model papers? any body help me?

1947

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What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.

3657

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