Neutrally clamped PWM half-bridge inverter

Details Neutrally clamped PWM half-bridge inverter Neutrally clamped PWM half-bridge inverter

1983-09-12

1986-01-14

Beha, Jr., William H.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363132, H02M 7797

Patent

active

045648956

ABSTRACT:
A neutrally clamped pulse width modulated inverter. The inverter includes a bidirectional switch which, when turned on, clamps the voltage applied to the inverter output filter to neutral or ground to provide a pulse width modulated waveform having a voltage swing of one-half of the rail-to-rail voltage of the inverter over each half cycle of the output. The bidirectional switch also provides a path to ground for any regenerative current flowing from the load so as to enable the regenerative current capacity of the inverter power supply to be reduced.

REFERENCES:
patent: 3286155 (1966-11-01), Corey
patent: 3641417 (1972-02-01), Gyugyi
patent: 3864619 (1975-02-01), Tanaka et al.
patent: 3964086 (1976-06-01), Gritter
patent: 4060757 (1977-11-01), McMurray
patent: 4339791 (1982-07-01), Mitchell
patent: 4443841 (1984-04-01), Mikami et al.
patent: 4463400 (1984-07-01), Paice et al.
New Format Step-Wave Output Inverter, Akira Naniwae, Isao Takahashi, Yasunobu Akagi, Nagaoka Institute of Science and Technology.

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