What is the fault or needs to be done when frequency in ac drives is not changing?

0 Answers  

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what is meant by vector group of a transformer? How can it be derived?

0 Answers  

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How to calculate KW what is the formula for KW.

18 Answers   Toyota, UU,

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If induction motor load is incresed motor speed decrases.But in syncronous motor load incrases speed canstant why?

5 Answers  

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The exciting current of a transformer is non sinusoidal. why?

2 Answers  

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What will happen if we introduce negative feedback to a control system that uses a positive feedback?

0 Answers   GE,

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Why carbon brush used in dc motor also why its not used in ac motor?

2 Answers   RRB,

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WHAT IS THE SHOPE TESTING

2 Answers   TATA,

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what is the function of mccb?

6 Answers  

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The screw thread commonly used for transmission of motion is one of the following types of threads

0 Answers   Caterpillar,

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what is automatic voltage regulator and it is used?

2 Answers   HAL,

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what is the MF if CT ratio is 500/5 and in meter specification is 3.75 REVS/KWH? Thanks and Regards Selvendran.N

1 Answers  

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