Bridge for driving a direct-current or alternating current load

Details Bridge for driving a direct-current or alternating current load Bridge for driving a direct-current or alternating current load

2007-02-27

2007-02-27

Nguyen, Matthew V. (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S132000

Reexamination Certificate

active

11039780

ABSTRACT:
A DC/DC bridge having a power stage provided with controllable semiconductor switches controls a direct currently load, and comprises two bridge sections, one of which bridge sections conducts direct currently while the other bridge section is controlled via pulse width modulation to regulate the current magnitude. Two of three bridge arms of the DC/DC bridge are connected in parallel and semiconductor switches in the parallel-connected bridge arms are controlled via pulse width modulation to form a pulse width modulation controlled bridge section.

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Abdelhamid, T.H., “Single-phase DC drive system controlled by sinusoidal PWM full-bridge DC-DC converter with improved input current waveform,” IEEE International Electric Machines and Drives Conference, IEMDC '99, Seattle, WA, USA, May 9-12, 1999, pp. 670-672.

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