what will happen if synchronous machine rotor fed from single phase ac supply 

0 Answers  

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i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

0 Answers  

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WHY IS HV WINDING OF A TRANSFRMER SECTIONALIZED???

3 Answers  

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Explain UPS

1 Answers   Powerica,

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what is the resultant phase shift in a 3 phase power system including neutral if on or more phases gets grounded or short circuited. kindly explain in detail for the reasons...

1 Answers   Enercon,

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why we used servo motor insted of inducation motor?

1 Answers  

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The speed of a dc motor can be controlled by the variation of 1. armature voltage. 2. field current. 3. armature circuit resistance. 4. angle of brush shift. Which of the statements given above are correct? (a) 1,2 and 3 (b) 2,3 and 4 (c) 1,3 and 4 (d) 1,2 and 4

1 Answers  

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depletion layer will form beforre biase or after bias ?

2 Answers  

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In transformer which temp should be less oil temp are winding temp?

7 Answers   TCS,

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what is the meaning of improving the power factor (give technical ans not therotical)

2 Answers  

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what is ACB and its function?

3 Answers  

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what is the current rating of 2500 KVA,33KV/433v transformer on secondary(LT) side

9 Answers   Reddy Labs, Vitrum Glass,

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