Parallel inverters and controlling method thereof

Details Parallel inverters and controlling method thereof Parallel inverters and controlling method thereof

2006-05-23

2008-09-02

Laxton, Gary L (Department: 2838)

Electric power conversion systems

Current conversion

Having plural converters for single conversion

Reexamination Certificate

active

07420826

ABSTRACT:
Parallel inverters without any communication buses and the controlling method thereof are provided. The parallel inverters are controlled by an instant voltage. Each inverter includes an output voltage waveform controller and a load-sharing controller. The output voltage waveform controller is connected to an output terminal of the inverter to control the waveform of an output voltage of the inverter. The load-sharing controller is connected to the output voltage waveform controller to control the load-sharing of the inverter and to make each inverter have the same phase, active power and reactive power without communications.

REFERENCES:
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patent: 5745356 (1998-04-01), Tassitino, Jr. et al.
patent: 6381157 (2002-04-01), Jensen
patent: 6693809 (2004-02-01), Engler
patent: 6803679 (2004-10-01), Luo et al.
patent: 6850425 (2005-02-01), Tan et al.
patent: 7145266 (2006-12-01), Lynch et al.

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