Answer / k.prakashchandra

Over frequency relay is for gen and over speed relay is for
turbine.They are normally set at +/- 3 % and 15 % respectively.

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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our industries ht line so power fluctation(once drop of power please rectify causes

0 Answers  

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hey guys help me out.....what  are the industrial uses/functions of nozzles in industries 

0 Answers  

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what is ten delta ?

2 Answers   ABB, Areva,

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what is the role of impedance in transformer?based on secondary f.l.current(139 amps) and impedance(4.07) of 415/415v of 100 kva transformer. what is the primary current?

1 Answers  

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Which Programming software are use for Allen bradley PLC's?

16 Answers   ADC,

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Define average demand?

0 Answers  

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what is the function of compressor?

2 Answers  

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How to increase the specific gravity of DG batteries?

5 Answers   SCS,

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If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not??

3 Answers  

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what is meant by trip circuit supervision & directional or non directional over current ?

1 Answers   ABB,

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in 33kv/11kv stepdown t/f why should we use Star point

2 Answers  

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