Inphase currrent and voltage

[usmankhan]

hi,
i m struck in a problem. i have the machine whose input has current and voltage(both have different phase(it may be any)). i want to design a machine whose output has current and voltage both inphase. can anyone help me out. thanx

 

[berkeman]

hi,
i m struck in a problem. i have the machine whose input has current and voltage(both have different phase(it may be any)). i want to design a machine whose output has current and voltage both inphase. can anyone help me out. thanx

Welcome to the PF. I think we need more information in order to help you. You need to specify the source of the input voltage and current (including the impedance of the source and the voltage levels), and you need to specify the characteristics of the "machine". Is this power factor correction of AC Mains input into an inductive motor-based "machine" or factory? Is this a homework assignment, or an industrial question?

 

[usmankhan]

hi,
actually it is home assignment and instructor has left everything on our assumption i-e level of current/voltage or impedence of source.basically input to inductive motor is main supply the output (required) should ve current and voltage inphase.please help me out i m unable how to start the problem even.
i have also send u mail via hotmail. i don't know the actuall method to contact u i-e from here or via hotmail. thanx

 

[NoTime]

Your question is still very confusing.
Are you asking how to do power factor correction?

 

[berkeman]

As NoTime says, it sounds like you should do some reading about Power Factor Correction:

http://en.wikipedia.org/wiki/Power_factor_correction


.

 

[stewartcs]

hi,
i m struck in a problem. i have the machine whose input has current and voltage(both have different phase(it may be any)). i want to design a machine whose output has current and voltage both inphase. can anyone help me out. thanx

You just need the inductive and capacitive reactance to be equal (i.e. resonance in an LRC circuit).

Also, since this is homework, you need to post the actual question and your work thus far.

CS