| 数字滤波在矿井开关保护设备中的应用 |
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| 引用本文： | 刘岩,方方,李春光.数字滤波在矿井开关保护设备中的应用[J].辽宁工程技术大学学报(自然科学版),2008,27(6). |
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| 作者姓名： | 刘岩 方方 李春光 |
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| 作者单位： | 1. 成都理工大学,核技术及自动化工程学院,四川,成都,610059
2. 辽宁工程技术大学,电气与控制工程学院,辽宁,葫芦岛,125105 |
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| 基金项目： | 辽宁省教育厅高等学校创新团队资助项目
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| 摘 要： | 简要论述了矿井开关保护设备对信号滤波过程的要求,为解决其对滤波器反应速度和相位的要求,提出利用数字滤波的方法,并对FIR滤波器和IIR滤波器的应用特性进行了分析,得出FIR滤波器的线性相位特性能够满足应用的要求.论述FIR滤波器针对开关保护装置的应用设计并对其性能和误差进行分析,提出了分段处理累加算式降低误差的方法.通过对滤波器幅频特性、相频特性和脉冲响应的仿真和试验验证,表明其幅频特性等滤波性能指标满足了应用要求,同时误差也控制在精度要求范围内.数字滤波器成功应用于矿井开关保护设备中.
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| 关 键 词： | 矿井开关保护设备 分段处理 |
Application of digital filter in protection equipment of mine switch |
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| LIU Yan,FANG Fang,LI Chunguang.Application of digital filter in protection equipment of mine switch[J].Journal of Liaoning Technical University (Natural Science Edition),2008,27(6). |
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| Authors: | LIU Yan FANG Fang LI Chunguang |
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| Institution: | LIU Yan FANG Fang LI Chunguang(1.College of Nuclear Technology , Automation Engineering,Chengdu University of Technology,Chengdu 610059,China,2.College of Electric , Control Engineering,Liaoning Technical University,Huludao 125105,China) |
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| Abstract: | In order to make the reaction rate and the phase of filter meet the requirement of the protection equipment,a kind of numeral filter method is proposed and the application characteristics of FIR filter and IIR filter are analyzed.It's found that the FIR filter can meet the application requirements.The application of FIR filter in the protection equipment of mine switch is elaborated and the operational performance and error of the filter are analyzed.Meanwhile,a kind of segment deal accumulation algorithm t... |
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| Keywords: | FIR |
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