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公开(公告)号:US20240072537A1
公开(公告)日:2024-02-29
申请号:US18453902
申请日:2023-08-22
CPC分类号: H02J3/0012 , G01R31/40 , H02J3/01 , H02J3/388
摘要: Systems, devices, and methods for energy systems that include one or more modules are configured to connect to a power grid. Each module outputs a respective voltage waveform and/or a current waveform to a load. A controller is configured to periodically cause at least a portion of the one or more modules to output an increased voltage and/or current level at a specified harmonic frequency. An islanding detector is configured to detect, based on an impedance of the grid, when the one or more modules are in an island condition.