《基于UPF基波有功电流检测的DSP实现》.pdf

30 Mechanical Electrical Engineering Magazine Vol.21 No.9 2004 2004 21 9 基于UPF 基波有功电流检测的DSP 实现 周洪亮 ( , 310027) :针对有源电力滤波器中广泛采用的基于瞬时无功功率理论的检测技术的 限性,将功 率因数的概念引入有源电力滤波器的控制中,提出了基于单位功率因数的基波有功电流检测技术 对该检测方法在DSP 数字控制的并联型有源电力滤波器中的实现作了详细的阐述, 并给出了部分 算法程序, 实验结果验证了该检测方法的有效性 :有源电力滤波器;单位功率因数;检测技术;DSP :TM714 :A : 1001- 4551(2004) 09- 0030- 05 Fundamental Active Current Detection Based on UPF and its Implementation in DSP ZHOU Hongliang (N ational Key Laboratory of Industrial Contr ol Technology , Zhej iang University , H angz hou 310027, China Abstract: Ai ed at the drawback of instantaneous reactive power theory broadly adopted in activepowerfilters, the concept of power factor was introduced into the control syste of active power filter. The funda ental active current detection technique based on unity power factorwas provided. And its application in shunt active power filter and so e arith etic progra were de scribed in detail. Experi ents were done on the shunt active powerfilter based on DSP. And satisfactory result was drawn. Key words: active powerfilter; unity powerfactor; detection ethod; DSP 1 前 言 , ,, APF(Active Power Filter) , [ 4] , ,, , , DSP APF [ 1~ 3] :2004- 01- 13 :2004- 03- 24 : ( 1971- ) , , , , ; : [ 1] , .[M] . : , 1986.