Method of and a power switching device for regulating the electr

Electricity: power supply or regulation systems – Remote sensing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

323 23, 307112, G05F 144

Patent

active

040865266

ABSTRACT:
A method of regulating electrical power supplied via a current path to a consumer in an A.C. network involves setting a desired current flow angle using a power switching device connected in the current path to the consumer. The method includes cutting the switching device ON at the beginning of each half-wave of the line voltage substantially at a phase angle of zero degrees, and cutting the power switching device off at a phase angle corresponding to the desired current flow angle. A power switching device for carrying out the method includes at least one set of two transistors having their respective collector-emitter leads connected in parallel to define a current path. Rectifier means are provided in series with the consuming means and the transistors. Secondary winding means of transformer means are connected in respective base-emitter circuits of the transistors, while primary winding means of the transformer means are connected to a source of switching voltages which drive the transistors. The primary winding means are connected to a source of driving voltage which provide gating ON pulses to the two transistors out of phase but overlapping. The driving voltage includes OFF pulses which include a portion whose polarity is opposite to that of the gating ON pulses.

REFERENCES:
patent: 3525882 (1970-08-01), Montague
patent: 3693069 (1972-09-01), Kelley
patent: 3793581 (1974-02-01), Ortgies

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

Method of and a power switching device for regulating the electr does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of and a power switching device for regulating the electr, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of and a power switching device for regulating the electr will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2421365

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