Switched capacitance voltage multiplier with commutation

Details Switched capacitance voltage multiplier with commutation Switched capacitance voltage multiplier with commutation

1995-04-27

1996-01-02

Wong, Peter S.

Electric power conversion systems

Current conversion

With voltage multiplication means

327536, H02M 742

Patent

active

054814472

ABSTRACT:
A voltage multiplier is constructed using a series combination of capacitors and an associated switching circuit which provides for charging each capacitor in the series by sequentially connecting each capacitor to a d.c. input voltage. The d.c. input voltage of N volts is converted to an a.c. output voltage of peak-to-peak 2*(N+1) times the input voltage where N is the number of capacitors in the series. A pattern of sequential switching is chosen to generate a sequentially rising and falling voltage to form a half waveform. A commutator couples the half waveform to a pair of output terminals in an alternating polarity to form the completed a.c. output voltage.

REFERENCES:
patent: 4504445 (1985-03-01), Walz
patent: 4623824 (1986-11-01), Scolari et al.
patent: 4994953 (1991-02-01), Haak
patent: 5023768 (1991-06-01), Collier
patent: 5095223 (1992-03-01), Thomas
patent: 5132895 (1992-07-01), Kase
patent: 5414614 (1995-05-01), Fette et al.

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