How to calculate the cable size in sq. mm. when the load is given in KW?

1 Answers  

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The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag

1 Answers   GATE,

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what is Diversity factor in electrical installations

3 Answers  

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what is the practical definition for voltage

3 Answers  

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Explain REF protection and sbef protection in transformer?

3 Answers  

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Why should we use jelly filled armoured cables in underground Communication system? What is the use of the Jelly? If we go for unarmoured, then what happens?

1 Answers   Prasad Group,

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electricity requires a medium to flow and it cannot flow through air. so how does lightning come to earth through air without any medium?

3 Answers  

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Why field rheostat is kept in minimum position while armature rheostat at maximum position?

0 Answers  

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9.The material used for coating the electrode is called........

3 Answers   SSC, TELiBrahma,

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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?

0 Answers  

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Natural frequency of a system gives... 1) nature of transient 2) overshoot 3) oscillations 4) speed of response

1 Answers   CCP,

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What is meant by Active and reactive power?

23 Answers   College School Exams Tests, Schneider, Torrent Power,

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