Half-bridge inverter with capacitive voltage equalizer

Details Half-bridge inverter with capacitive voltage equalizer Half-bridge inverter with capacitive voltage equalizer

1992-02-06

1993-10-12

Voeltz, Emanuel T.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 20, 363132, 363142, 323266, H02M 7515

Patent

active

052531570

ABSTRACT:
A half-bridge inverter circuit is provided for converting a DC voltage source to an AC voltage waveform, and supplying the AC voltage waveform to a load. The half-bridge inverter includes an inverter comprising a first capacitor for supplying a positive output voltage and a second capacitor for supplying a negative output voltage during respective intervals of the output waveform. An equalizer, responsive to a control circuit, equalizes the voltage output from the first capacitor and the second capacitor in order to overcome non-symmetry of these voltages resulting from a non-symmetrical load.

REFERENCES:
patent: 4158881 (1979-06-01), Simmons et al.
patent: 4639849 (1987-01-01), Noworolski et al.
patent: 4935861 (1990-06-01), Johnson, Jr. et al.
patent: 4980812 (1990-12-01), Johnson, Jr. et al.
patent: 5068573 (1991-11-01), Bruning et al.
patent: 5099410 (1992-03-01), Divan
patent: 5119283 (1992-06-01), Steigerwald et al.

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