Answer / sheikh

there is no need to ground star point of a motor. however
generator,s neutral should must be ground .

Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

0 Answers  

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what is REF relay?

1 Answers  

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keeping in view of parallel operation which of the 3 phase transformer connection are possible? a)delta-delta to delta-star b) delta-delta to star-delta c) star-star to delta-delta d) delta-star to star-delta

4 Answers   Ecil, Siemens,

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There is 3phase power cable from 1 point to the other point which is 100m away. Two point equipped with power meter and recorded 1st point is 205kW while the 2nd is 202kW and each phase average carry 400amps. To calculate the resistance of the 3phase power cable, is the formula using will be P=I2R?

3 Answers  

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can i able to get bhel previous exam question paper?

0 Answers   Bhel,

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i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.

0 Answers  

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What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

0 Answers  

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why are the maintaine power factor and how can this control and this is how work.

0 Answers   Mukand,

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What are the different modes of plc processor?

1 Answers  

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In 1000KVA Transformer why does we connect HT with delta connection and LT with star connection.Illustrate by showing formula?

4 Answers   Tata Motors,

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what do u mean by starting torque? how it should be for a good motor? what is the relation between starting torque and power factor? What is the relation between efficiency and starting torque?

2 Answers  

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Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.

0 Answers  

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