Start circuit for a p.w.m. converter

Details Start circuit for a p.w.m. converter Start circuit for a p.w.m. converter

H - Electricity

02

M

321/29, 321/65

H02M 7/155 (2006.01) H02M 3/335 (2006.01)

Patent

CA 1097402

(S77P9) ABSTRACT OF THE DISCLOSURE In a power supply circuit of the type including a first rectifier to be connected to an AC power source through a power switch, a transformer with primary and secondary windings, a second rectifier connected to the secondary winding of the transformer to provide a desired DC output voltage, a pulse width modulated signal producing circuit, and a transistor connected to the primary winding of the transformer to be supplied with the pulse width modulated signal so as to chop the direct current flowing through the transformer; there is further provided an oscillation circuit connected to the primary winding of the transformer for generating an oscillation signal for a predetermined period following closing of the power switch, and a third rectifier for producing a DC voltage in response to such oscillation signal, with the DC voltage from the third rectifier being supplied to the pulse width modulated signal producing circuit as an operating voltage therefor. -1-

270085

Affiliated with

Also associated with

Rating

Start circuit for a p.w.m. converter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Start circuit for a p.w.m. converter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Start circuit for a p.w.m. converter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-242253