Current sharing control in a parallel inverter system

Details Current sharing control in a parallel inverter system Current sharing control in a parallel inverter system

1992-03-26

1993-03-02

Stephan, Steven L.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

363 95, H02M 748

Patent

active

051915197

ABSTRACT:
This inverter system is directed to an inverter system in which a plurality of inverters adapted for generating output voltages corresponding to a voltage reference and a frequency reference respectively given through voltage controllers and frequency controllers are operated in parallel. In this inverter system, a difference between an output current of a corresponding inverter and output currents of other inverters is detected. By implementing the d-q axis orthogonal coordinate transform processing to that current difference, a first correction signal relating to the frequency of an output voltage of that inverter and a second correction signal relating to the amplitude of the output voltage thereof are provided.

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patent: 5121315 (1992-06-01), Moriya
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