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Unitive Control of PV Grid Connected Generation and Reactive Compensation
Author(s): 
Pages: 114-118
Year: Issue:  9
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  光伏并网无功补偿电流跟踪;
Abstract: 针对常规光伏并网发电系统逆变主电路的结构特点,提出了将无功功率补偿与光伏并网发电相结合的新型控制方案,使光伏并网发电系统在向电网提供有功电能的同时也能够提供电网所需的无功电能,从而简化系统结构,提高供电能力,并节省设备投资.文中详细分析了系统控制结构、瞬时无功检测、并网电流的合成及并网电流的跟踪控制方法.系统以DSP数字信号处理器为基础,在30kVA光伏并网功率调节器实验样机中成功地实现了光伏并网发电和无功功率补偿的统一控制.
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