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电网技术  2015 

适于分布式发电装置接入测试的功率硬件在环接口装置及其控制策略

DOI: 10.13335/j.1000-3673.pst.2015.04.018, PP. 995-1000

Keywords: 硬件在环(数字物理混合仿真),分布式发电,接口放大装置,幅值误差,准比例谐振控制

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Abstract:

基于功率硬件在环仿真方法(或称数字物理混合仿真方法),为分布式发电装置接入配电网及微电网的运行工况,设计了一种硬件在环测试接口装置。根据配电网及微电网常见的电能质量问题(如频率偏差、供电三相不对称及谐波等),提出了一种三相四线制的接口装置硬件结构设计,并开发了基于准比例谐振控制的接口策略,以消除接口放大过程中引入的放大幅值误差。以配电网及微电网中可能出现的频率波动、电压三相不对称以及电压含谐波为研究算例,对所提出的接口装置和控制策略进行了仿真验证,证明了该装置和控制策略的有效性及准确性。

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