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PHOTOVOLTAIC DC/AC INVERTER WITH CASCADED H-BRIDGE CONVERTERS
PHOTOVOLTAIC DC/AC INVERTER WITH CASCADED H-BRIDGE CONVERTERS
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机译:带有级联H桥转换器的光伏DC / AC逆变器
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摘要
The present invention relates to a DC-AC inverter comprising a plurality of H-bridge converters, each being arranged to be integrated with a respective photovoltaic element and to be supplied with a DC voltage from the photovoltaic element, the H-bridge converters further being cascaded to produce a multilevel voltage output (Vout). The DC-AC inverter further comprises switch control circuitry connected to each one of the plurality of H-bridge converters to control switching thereof for producing the multilevel voltage output, and a central adaptation unit connected to the cascaded H-bridge converter for adapting the multilevel voltage output such that an AC grid voltage is output from the DC-AC inverter.
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