Answer / shahabz shaikh

as p.f is high then motor drawn more current from supply and
load is increases

Answer / shahabz shaikh

there are various disadvanteg of high power factor as p.f is
hight active power is high and losses are more etc

If 440 V supply has given at the secondary winding of transformer at that time if we apply 11 KV at primery then what will happen???????

4 Answers  

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in 220 kv substation,what is the mean of avr voltage reading? means at oltc temp. 36 the avr voltage was 109v.so what the mean of 109v

1 Answers  

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How earth resistance reduses by pouring water coal and salt?

4 Answers  

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Auto transformer starter gives the same effect as star/delta strater if its turn ratio = A 0.5 B 0.67 C o.66 D 0.577

1 Answers  

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If the (Motor control center)Panel work on field the relay used in panel in the case this will be damage and no indication provide on panel.fault occur in panel and MCB will not trip. how happen the relay damage in panel and what effect of panel.

1 Answers  

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in small capacitor we use uf( micro farad) and in big quantity we used kvar. i want to know that in 1 kva how much will b uf(micru farad).

2 Answers  

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why is control bus bi-directional?

1 Answers  

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how much current a 100 sq mm busbar will carry?

1 Answers   ABB,

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Why 3 over-current and 1 earth fault relay is used on primary side of transformer? Why 2 over-current and 1 earth fault relay in used on secondary side of transformer?

1 Answers   Adani,

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what is DG A,B,C,D check?

1 Answers  

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Why we use CT on differant phases of 2ph.PT detection for brush-less static excitation of 3ph.,400v Synchronous Generator? What happen if use CT on same one of VT phase?

2 Answers   Hydropower,

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3phase motor 400v (induction) A.C 4kw company design 1400rpm but our requirement 2000rpm possible? attached any instrument. reply fast! contact 03343262442

3 Answers  

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