Answer / shakeel tu

it is the cosine of the angle between voltage and
current.so we can write vi sin(some angle).

Answer / balaji

The real power means p=visin
angle,The reactive power means p=vicos angle...
the ex for reactive power is battery...in a power station
the reactive power is used to inject in the some additional
to real power.....

which part of transformer heats up the most and why? windings, core or oil .

3 Answers   Lafarge,

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If there is no problem with the electronic circuit and regulator then why the motor start rotating at low value of regulator with full speed both at laod and no load??? and if my judgement of circuit is wrong then what is your openion?

1 Answers  

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if we use a normal natural thundering; than approx how much amount of electricity we generate?

1 Answers   Visa Steel,

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what r the types of transmission line?

28 Answers   DIET, RRB, WAPDA Water and Power Development Authority,

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what is the use of Auto re-closer?

0 Answers  

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Does the electricity supply authority send its customers power (kW) or voltape (V)? Asked by Ivan Muliro

2 Answers  

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When we use 3 terminal resistor?

0 Answers  

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what is the formula for converting dc power(watt) to ac power (watt)?

3 Answers   ABB,

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what is work of choke in tube light?

4 Answers   L&T,

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what is the difference between squirrel cage & slip ring induction motor by construction & working principle ?

1 Answers   Sail,

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for 750 kw LT load what will be the ht kva

0 Answers   Sterling Tools,

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What is primary and backup protection?

0 Answers  

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