| 摘要 |
A system, method and apparatus are disclosed for converting DC power to AC power. The system includes a master controller that couples to a phase of a power distribution system and provides a synchronization signal, the phase of the power distribution system having a phase voltage. The system also includes a plurality of DC-to-AC series-connectable power converters, that receive and use the synchronization signal to convert a variable DC voltage from a corresponding one a plurality of photovoltaic panels to a variable AC voltage so that a plurality of corresponding variable AC voltages are generated by the plurality series-connectable power converters, and collectively the plurality of corresponding variable AC voltages add up the phase voltage, and each of the series-connectable power converters controls, responsive to the synchronization signal, the variable AC voltage so that the plurality of corresponding variable AC voltages are in phase.
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