H - Electricity – 02 – M
Patent
H - Electricity
02
M
348/39
H02M 3/335 (2006.01)
Patent
CA 1234210
ABSTRACT A primary switched-mode power supply unit having an auxiliary power supply for a control unit controlling a primary power circuit breaker connected in series with a first primary winding and a primary voltage regulator connected to the control unit. The auxiliary power supply has a secondary primary winding across which a series circuit of a diode and a capacitor is connected. A current limiting circuit breaker is connected between the auxiliary voltage input of the control unit and a ground, the actuating input of said current limiting circuit breaker being connected to an output of an over current con- troller.
509588
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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