why the motor running in delta connection ? it can be in star?

13 Answers   NTPC,

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what is PWM in IGBT and how it works for drive.?

0 Answers   BRG,

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how can we chack a capacitor in acircuit

2 Answers  

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what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation

0 Answers  

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is 60hz freq better than 50 hz?&why?

1 Answers  

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1.what is the reason for transformer and lightning arrester blast in 33kv system

0 Answers   ABB,

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What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.

0 Answers  

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What is the SCR system in drilling rig.

2 Answers   Weatherford,

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What is Torque Vector Control in VVVF Drives?

6 Answers   PEL, Schneider,

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VCB in closed position during opertion if vaccume break then what will happend? it has any protection ?

1 Answers  

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what could be the RMS value and average value of a 4 phase sine wave?

0 Answers   BARC,

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why the neutral of power transformer is always earthed?

1 Answers  

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