Why r use in the tap changing x' mer.

2 Answers   L&T,

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please mention the minimum IR value for different voltage systems

6 Answers  

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Welding machine

1 Answers   CEL,

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11. As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why? 12. How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test? 13. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV? 14. Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it? 15. Explain why the Voltage drop will happen in 3 Phase line? 16. What is the equipment used to control the generator output? 17. What are the factors to be considered during the Synchronization? 18. What should be value of Circuit breaker operating time and tripping time? 19. Why the CT Secondary is rated as 5A generally? 20. At which time Synchronous generator act as a Synchronous Condenser?

1 Answers  

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how electical engineer is related to apsrtc (general) post? if they ask a question in interview as why did u choose this job what shd be answer

0 Answers  

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What will happen if the field of synchronous generator is removed when it is in operation with no load?

3 Answers   HJ, UPPCL,

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Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction

0 Answers  

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Why is voltage is required to be within permissible range for an electrical equipment?

0 Answers  

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why there is no short circuit when any resistance is used between phase and neutral?

3 Answers  

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Which addressing mode contains the address for data as a part of the instruction in 8085.

3 Answers   Ecil,

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what is percentage impedance of transformer? explain its significance

2 Answers   ABC, Bosch,

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pls tell what are doing the three phase motor star and delta connetion with circuit diagram and control wiring .

0 Answers   Mukand,

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