when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

0 Answers   Godrej,

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short circuit test of transformer gives what?

9 Answers   NTPC,

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What do you meant by slip power recovery?

1 Answers   PSEB,

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Is there is any difference between AC and DC Cables

1 Answers  

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Why generally the Rating of Transformers are in additions of 11 i.e. 11 kVA, 22 kVa, 33 kVA, etc........

8 Answers  

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How to calculate Battery back up time for a 400 AH Battery bank having a load of 20 Amps and charging time required to fully charge this battery bank?

2 Answers  

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what is function of pump in DG?

6 Answers   HP,

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Why the colour of insulator is always is chocolate in colour?

1 Answers   MRF,

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what is the working principle of Brushed alternator ? without exictation how we can give dc supply to rotor ?

1 Answers  

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How can get electrical c licence.Now i am working in spining Mill , transformer capacity 2750kva. Sanction demand 2250kva. Please advise me . My contact no 09944226823

5 Answers   Pace Power Systems, VRVS, VSJ Industry,

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what is called star connection and delta connection also purpose of this connections?

3 Answers   Siemens,

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how to find the starting current of the motor?

1 Answers   BOC,

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