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电网技术  2006 

数字式有源电力滤波技术中谐波电流补偿分量的检测

, PP. 97-101

Keywords: FPGA器件,谐波检测,有源电力滤波器,电能质量,电力系统

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Abstract:

为提高有源电力滤波器(ActivePowerFilter,APF)的补偿性能,以理想传输量分离法为理论基础,提出了一种基于现场可编程逻辑阵列(FieldProgrammableGateArray,FPGA)器件和快速模/数转换(A/D)的数字式有源电力滤波技术中谐波电流补偿分量的检测方法。该方法通过配置FPGA器件的时钟、逻辑运算电路以及静态存储器来实现A/D转换控制以及补偿分量的计算。与常规的基于数字信号处理程序的检测方法相比,该方法有效地利用了FPGA器件的并行运算以及近似布线逻辑的电路特点,提高了APF的抗干扰能力及补偿性能。仿真和实验结果表明,采用该检测方法的APF具有更好的实时性、准确性和抗干扰能力。

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