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    • 4. 发明申请
    • Field Level Inverter Controller
    • 现场液位变频器控制器
    • US20100213761A1
    • 2010-08-26
    • US12393009
    • 2009-02-25
    • Mark McDonaldJeremy Dittmer
    • Mark McDonaldJeremy Dittmer
    • H02J3/38
    • G05F1/67Y10T307/305
    • The present invention is directed to an apparatus and method for improving the power output of a solar energy system. A field level inverter controller is described that may improve the power output of individual solar energy systems in a field of solar energy systems by controlling the inverter voltage applied to strings of solar energy units in a solar energy system connected in parallel to an inverter. An inverter load voltage for an improved power output may be calculated or derived empirically. An algorithm stored in the controller may calculate an improved load voltage for the inverters based on factors such as string geometry, solar movement and shade patterns generated by surrounding structures. Improved power output may be empirically determined by the field level inverter controller when the inverter controller directs an inverter to sweep a range of voltage values until a maximum output is detected.
    • 本发明涉及一种用于改善太阳能系统的功率输出的装置和方法。 描述了一种现场电平逆变器控制器,其可以通过控制施加到与逆变器并联连接的太阳能系统中的太阳能单元串上的逆变器电压来提高太阳能系统领域中的单个太阳能系统的功率输出。 用于改善功率输出的逆变器负载电压可以根据经验计算或导出。 存储在控制器中的算法可以基于诸如串几何,太阳运动和由周围结构产生的阴影图案的因素来计算逆变器的改进的负载电压。 当逆变器控制器指示逆变器扫描一定范围的电压值直到检测到最大输出时,改进的功率输出可由经验性地由场级逆变器控制器确定。