提出一种统一定点坐标变换和基于该变换的有源电力滤波器零稳态误差电流控制方法。
Unified fixed point coordinate transformation (UFP-CT), and a novel zero steady-state error current control method for active power filter (APF) based on UFP-CT were proposed.
该检测器通过两个滤波器分别控制检测器的收敛速度和稳态性，并在最小均方误差的准则下调整权值比例。
The convergence speed and misadjustment can be controlled separately using a complementary pair filters. And under the criterion of the least mean square error, the proportion of weight is adjusted.
理论和仿真表明，系统可检测电路稳态和暂态谐波，且缩短了动态响应时间，改善了滤波器的跟踪性能。
The theoretic and simulative results show that the pro-posed system can detect the steady and transient harmonics with shorter dynamic response time and better tracing performance of filter.
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