why 3 phase motors are preferable over single phase motors ?

4 Answers  

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power inverter we are using 2n3773 power transister in that places we can use any IGBT ?

1 Answers   Essar,

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what is the Transmission line differential protection and why differential protection also have backup Line Distance Protection ?

1 Answers  

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How power factor of a transformer is calculated

3 Answers  

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please I wont know how to calculate the vector group for power transformer ZNyn11 best regard.

0 Answers   Al Rasikh,

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Upload data by LSMW via BAPI in SAP system.

1 Answers  

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Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

0 Answers  

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why do we connect droop ct{in gensets}in y_phase only

2 Answers  

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Why battery is always operate on dc supply?

1 Answers   Vikram Ispat Industries,

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The MCB circuit breaker have a voltage rating of 440VAC it's possible to supply a voltage of 480Vac

1 Answers  

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now-a-days which devices are using for converter

7 Answers  

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A circuit breaker is a

9 Answers  

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