24-03-2022 дата публикации
Номер: US20220094168A1
Принадлежит:
The power conversion system includes an inverter circuit. The inverter circuit performs a grid-connected operation and an independent operation. When performing the independent operation, the inverter circuit may output, via a terminal, AC power converted to a load disconnected from a power grid. When the inverter circuit performs the independent operation, a control unit controls, when operating in a first mode, the power conversion system in a first time range such that an AC voltage is applied to the terminal, and controls, when operating in a second mode, the power conversion system in a second time range different from the first time range. The second mode includes control of stopping an operation of having the AC voltage applied to the terminal. 1. A control system comprising a control unit , the control unit being configuredto control a power conversion system,the power conversion system including an inverter circuit, the inverter circuit being configured to perform:a grid-connected operation in which the inverter circuit is allowed to convert DC power supplied from a DC power supply into AC power and output the AC power thus converted to a power grid; andan independent operation in which the inverter circuit is allowed to output, via a terminal, the AC power converted to a load disconnected from the power grid,the control unit being configured to, when the inverter circuit performs the independent operation,control, when operating in a first mode, the power conversion system in a first time range such that an AC voltage is applied to the terminal, andcontrol, when operating in a second mode, the power conversion system in a second time range different from the first time range, the second mode including control of stopping an operation of having the AC voltage applied to the terminal.2. The control system of claim 1 , whereinthe control unit is configured to stop operation of the inverter circuit in the second mode.3. The control system of claim 1 , ...
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