Constant current SCR power supply method and system for a weldin

Electric heating – Metal heating – By arc

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

21913032, 323246, B23K 910

Patent

active

043451390

ABSTRACT:
A regulated constant current is supplied to a welding load by an SCR power supply having an SCR rectifier network interposed in series between the welding load and applied input power with the SCR power supply comprising means for generating a first feedback signal proportional to arc current which substantially coincides in time and phase with the arc current; means for generating a second feedback signal proportional to arc current which is substantially nonresponsive to the arc current fundamental ripple frequency, means for weighing the first and second feedback signals in a predetermined proportion to establish an error feedback control signal and means for applying trigger signals to the SCR rectifier network in timed synchronism with the input AC power line as a function of the error feedback control signal.

REFERENCES:
patent: 3530359 (1970-09-01), Grist
patent: 3723854 (1973-03-01), Kita

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Constant current SCR power supply method and system for a weldin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Constant current SCR power supply method and system for a weldin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Constant current SCR power supply method and system for a weldin will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-188242

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.