CAJ | 학술논문

选择有效的微机保护算法是保证矿井安全生产的前提。分析常用供电系统微机保护算法的特征,研究一种全波傅氏改进算法。用这种算法滤波能准确提取到故障信号工频量的幅值和相角,用作保护供电系统的电气参量。在DSP开发板上仿真该算法,表明全波傅氏改进算法滤波性能优越、精度高、计算速度快。
선택유효적미궤보호산법시보증광정안전생산적전제。분석상용공전계통미궤보호산법적특정,연구일충전파부씨개진산법。용저충산법려파능준학제취도고장신호공빈량적폭치화상각,용작보호공전계통적전기삼량。재DSP개발판상방진해산법,표명전파부씨개진산법려파성능우월、정도고、계산속도쾌。
Choosing an effective Microprocessor protection algorithm is the premise to ensure safety production of coal mine.Analyzes the characteristics of microprocessor protection algorithms used in the power system.An improved full-wave Fourier algorithm is being researched.The accurate amplitude and phase angle of the fault signal＇s frequency component,which are taken as the protection electrical parameters for the power system,can be picked out by filtering with this algorithm.The simulation results on the DSP board of the algorithm show that it is superior in filtering performance,precision and calculating speed.