we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

0 Answers   MTN,

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As per BIS, Earth pit resistence value?

4 Answers  

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haw to calculate resistance of induction motar

1 Answers  

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what is the effect of leading power factor on Power transformers in existing in major power utility

2 Answers  

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Is there any relation between transformer capacity and its bdv?

1 Answers  

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What is the Relation b/w star delta starter , DOL starter and two speed starter. if we want to rotate a 20 kw fan in 2 speeds which type of two speed starter we have 2 use?

1 Answers   ABB,

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what happens when the phase and earth wires comes in contact? and why

2 Answers  

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I want to know all basics of electrical engineering

0 Answers   RRB,

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If the capacity of water Tank is 50000 Liters situated at 20 meters height from ground level,What would be the size of pipe and how much USGPH water will be supplied and what will be the motor or pump rating used for this work?Illustrate by showing formula?

1 Answers  

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how the speed decreases of a generator in power station if load increases

1 Answers   Tata Power,

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Can we test the alignment of End shield and stator of turbogenerator without rotor insertion? Also how to fix maintain the alignment at site installation?

0 Answers   Deccan Cements,

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what is the difference between the voltage of 5 volts capacitor and and 5volts battery?

0 Answers  

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