What are various power system instabilities and what are their effects on power system operation?

1 Answers  

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Explain types soft starters?

7 Answers   Siemens, TCS,

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The efficiency figures for energy efficient motors (in comparison with standard efficiency motor) can be generally higher by____%.

1 Answers  

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What happens if the secondary of the transformer is shorted?

2 Answers  

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What types of question are done for diploma students in aptitude test

0 Answers  

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How can we measure MVAR of a 3 phase transformer.....???

1 Answers   JLL, UPPCL,

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how many types in CT & define it ?

6 Answers  

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IF we have three 30KW motor, these motors are connected in DOL, star-delta and VFD respectively, what will be the fuse rating for the above three?

7 Answers   DOL, GSK, Ojus,

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In star delta Schematic can we connect OLR in delta circuit

2 Answers   ABB, Lanco,

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What is the effect of leading power factor for power transformer & D.G?

7 Answers   Exide,

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Difference between a pilot wire and a normal conductor?

0 Answers   United Arab Aluminum Company,

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Refernce currents are to be generated using refernce cueernts how can this be done

0 Answers   ABC, Wipro,

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