H - Electricity – 02 – M
Patent
H - Electricity
02
M
H02M 7/538 (2006.01) H02M 7/48 (2006.01)
Patent
CA 2057717
A parallel inverter system has a plurality of AC output inverters of an instantaneous voltage control type, a bus for connecting outputs of the inverters to a load so as to share the load current, a detection circuit for detecting a cross current component in a current flowing among the inverters, and an instantaneous voltage control circuit for controlling the output voltages of the inverters. In response to a signal in accordance with the detected cross current component from the detection circuit, the voltage control circuit inserts a virtual impedance between the inverters so as to suppress cross current.
Kawai Joji
Yamamoto Yushin
Marks & Clerk
Mitsubishi Denki Kabushiki Kaisha
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