H - Electricity – 02 – H
Patent
H - Electricity
02
H
H02H 9/02 (2006.01) H02H 7/10 (2006.01) H02M 3/338 (2006.01) H02M 7/12 (2006.01)
Patent
CA 2198096
A self-excitation type switch power supply unit with overcurrent protection. For adopting a simple and reliable current negative feedback protective circuit to coordinate with a complementary bridge circuit, a positive feedback circuit without DC biasing capacitive coupling, an oscillation- starting circuit of the AC power supply, etc., so that the self-excitation type switch power supply can become a practical power supply unit with simple circuitry, small size and low cost.
L'invention concerne un équipement d'alimentation électrique à commutateur, du type à oscillateur auto-excité et à protection contre les courants de surcharge. Cette alimentation permet d'adopter un circuit de protection contre les courants, à réaction négative, qui est simple et fiable et doté d'un circuit complémentaire en pont, un circuit à réaction positive sans couplage capacitif de polarisation de courant continu, un circuit d'oscillation initiale d'alimentation à courant alternatif, etc. Cette alimentation électrique à commutateur du type à oscillateur auto-excité constitue un équipement pratique, à circuit simple, d'un volume et d'un coût faibles.
Sim & Mcburney
Wong Tak Tai
LandOfFree
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