Answer Posted / j.kesavan

please slect your cable in 11kv py side how much current
check first after you slect your ht cable.

explain different losses in a transformer.

1061

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How to Design green buildings services? What is the advantage to design green building?

1748

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Explain advantages of storage batteries

1057

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What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

3587

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What are the types of class b amplifier?

1046

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What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

1836

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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?

2362

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how do you test tachos and servos

2083

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i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?

1780

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advantages & disadvantages of Lagging and leading power factor .

9568

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If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

1021

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what are the stresses in circuit breakers ?

1968

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What type of DC motor would you see for a lift?

1050

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Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

1091

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Define open loop control system.

1059

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