Hi there Folks..
I am quite buzy finishing the wiring of the ground floor. I get a few hours at night before going to bed to do my work.
Right now I am fixing a PSU of a flat TV. The power switch blew taking the PFC circuit with it. As I was working at my house a thought came to me about PFC, so I am asking this and would be very grateful if any one can correct me or draw some light on to this.
To my knowledge a PFC is used to correct the power factor or bring it as close to unity, right?
So by doing this it is changing the load to a resistive circuit. this is the basic idea.
But my dilemma lies about SMPS being a reactive load. I never gave this a proper thought before or did not do a detail research.
Is the SMPS a reactive load?
I am asking this cause from day to day I see the ever increasing use of PFC circuits in flat TV's and PC supplies.
How does a SMPS produce out of phase current?
One more question is does PFC circuit can be used to boost the output to 400VDC. Or is this type some thing else?
Thanks in Advance.
I am quite buzy finishing the wiring of the ground floor. I get a few hours at night before going to bed to do my work.
Right now I am fixing a PSU of a flat TV. The power switch blew taking the PFC circuit with it. As I was working at my house a thought came to me about PFC, so I am asking this and would be very grateful if any one can correct me or draw some light on to this.
To my knowledge a PFC is used to correct the power factor or bring it as close to unity, right?
So by doing this it is changing the load to a resistive circuit. this is the basic idea.
But my dilemma lies about SMPS being a reactive load. I never gave this a proper thought before or did not do a detail research.
Is the SMPS a reactive load?
I am asking this cause from day to day I see the ever increasing use of PFC circuits in flat TV's and PC supplies.
How does a SMPS produce out of phase current?
One more question is does PFC circuit can be used to boost the output to 400VDC. Or is this type some thing else?
Thanks in Advance.