electricity board have asked me what size meter i need fitted in my garage, its a 415volt supply and i want to run six 20amp supplies tolifts and things plus ten florry lights , what kva meter do i need??

2 Answers   HCL,

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a transformer can have zero voltage regulation a)o pf b)1 pf c)lagg pf d)lead pf

2 Answers   SJVN,

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what is the current carrying capacity of 725 va generator

2 Answers  

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Why the core of a underground cable is spiral in shape instead of straight??

3 Answers   Mecon,

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why in some trains in India Electric equipment such as Fans , tube light not work until locomotive or engine is attached to the train ??

1 Answers  

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what is the fuction of electrical transducer in control pannel?

6 Answers  

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how choose conductor &caple&wire depending upon the load

2 Answers   HCL,

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What is the function of the generator exciter?

0 Answers  

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i am using auto transformer for starting of induction motor to provide reduse voltages...but the principle of a tansformer according to definition"which transform energy to on circuit to another circuit with constant power and constant frequency". so if i am using reduse voltage then current obsely hige because power is same.but we use auto transfarmer for starting of induction motor to give low current.but here according to definition we are giving hige current.

0 Answers  

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how to find insulation resistance of a motor(415v) by theoretical formula??

2 Answers  

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why back up fuse used in vacuum magnetic contactor?

1 Answers   KNPC,

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how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64

0 Answers   Cadsys,

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