Apparatus for protecting boost converter in abnormal operation

Details Apparatus for protecting boost converter in abnormal operation Apparatus for protecting boost converter in abnormal operation

2006-08-29

2006-08-29

Riley, Shawn (Department: 2838)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

C361S018000

Reexamination Certificate

active

07099134

ABSTRACT:
An apparatus for preventing a boost converter from an abnormal operation is provided. The boost converter includes a transformer, a full-wave rectifier circuit electrically connected to a secondary winding of the transformer, an output filter inductor, an output filter capacitor, a clamping circuit having two clamping diodes with two anodes electrically connected to each other to form a common-anode terminal, a first clamping capacitor with a first terminal electrically connected to a node joining the filter inductor and the filter capacitor, and a second terminal electrically connected to the common-anode terminal, and an energy recycle circuit, and the apparatus includes a controllable voltage source having a first terminal electrically connected to the node and a second terminal electrically connected to the energy recycle circuit.

REFERENCES:
patent: 5351179 (1994-09-01), Tsai et al.
patent: 5615094 (1997-03-01), Cosentino et al.
patent: 5943224 (1999-08-01), Mao

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