Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
Patent
1995-06-07
1997-06-10
Sterrett, Jeffrey L.
Electricity: power supply or regulation systems
In shunt with source or load
Using choke and switch across source
323225, 323271, H02M 3155
Patent
active
056379889
ABSTRACT:
The switching power supply attains sinusoidal input current even at a low level of the input voltage. One capacitor is grounded and stores an intermediate voltage. One switch selectively applies the intermediate voltage to a node. A grounded diode is coupled to the node. An inductor is coupled to the node for attaining a current. Another switch selectively applies the current to the input terminal. A rectifier applies the current to the output terminal. Another capacitor is coupled between the output terminal and the one capacitor for storing and providing the output voltage.
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