Answer / k.prakashchandra

By increasing /dercreasing input to prime mover

what is the min and max dc voltage for a dc system (110vdc)

1 Answers   ASD Lab,

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why the emf of a cell more than the terminal voltage when the cell is delivering current?

4 Answers  

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What are the commonly used schemes for the bus zone protection?

0 Answers  

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Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.

0 Answers  

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why fault current always calculated for 1 seconds?

3 Answers   Coca Cola,

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MCB is used for high rating &MCB is used for lower rating.What is technical difference between ACB & MCB?

7 Answers  

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magnetizer priciple

0 Answers  

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when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

0 Answers   ETA,

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Whether cable is designed for different fault currents?

1 Answers   DAE,

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what will happen if delta - star , 400V to 6.6KV step up transformer neutral is not grounded, Neutral is not used but transformer is provided with neutral.

2 Answers  

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lead acid battery electrolity?

2 Answers  

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7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

0 Answers  

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