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Inventer control method and inventer apparatus using the method
Inventer control method and inventer apparatus using the method
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机译：逆变器控制方法及使用该方法的发明人装置
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摘要
A pulse width of a pulse train signal (PL) used for PWM (pulse width modulation) control is monitored. When a variation of the pulse width substantially disappears within a specified time, it is decided that an operating point on an output characteristic curve of a photovoltaic array (2) is located on the open-circuit voltage side of a maximum power point. When the variation of the pulse width does not disappear after the elapse of the specified time, it is decided that the operating point is located on the short-circuit current side of the maximum power point. Based on the decision result, the inverter control is performed such that the operating point follows the maximum power point.
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