湖南工程学院学报：自然科学版
湖南工程學院學報：自然科學版
호남공정학원학보：자연과학판
Journal of Hunan Institute of Engineering(Natural Science Edition)
2011年
4期
20-23
,共4页
风力发电%DSP%智能开关%电压跌落%小波变换
風力髮電%DSP%智能開關%電壓跌落%小波變換
풍력발전%DSP%지능개관%전압질락%소파변환
wind power generation%DSP%intelligent switch%voltage sags%wavelet transform
为了提高重要负荷的用电连续性、可靠性和稳定性,提出了一种以TMS320F2812作为核心、以断路器为控制对象的智能开关的硬件和软件设计方案.该系统充分利用DSP丰富的硬件资源和强大的数据处理能力,实现了电源电压、电流监测,断路器监控,键盘和显示,RS485通讯等功能.针对风力发电系统出现的电压跌落现象,分析了利用基于有效值和小波变换相结合的方法检测电压跌落的幅值和定位跌落的时刻点,实验结果表明了该系统具有稳定性好,精度高,响应快和抗干扰能力强等特点.
為瞭提高重要負荷的用電連續性、可靠性和穩定性,提齣瞭一種以TMS320F2812作為覈心、以斷路器為控製對象的智能開關的硬件和軟件設計方案.該繫統充分利用DSP豐富的硬件資源和彊大的數據處理能力,實現瞭電源電壓、電流鑑測,斷路器鑑控,鍵盤和顯示,RS485通訊等功能.針對風力髮電繫統齣現的電壓跌落現象,分析瞭利用基于有效值和小波變換相結閤的方法檢測電壓跌落的幅值和定位跌落的時刻點,實驗結果錶明瞭該繫統具有穩定性好,精度高,響應快和抗榦擾能力彊等特點.
위료제고중요부하적용전련속성、가고성화은정성,제출료일충이TMS320F2812작위핵심、이단로기위공제대상적지능개관적경건화연건설계방안.해계통충분이용DSP봉부적경건자원화강대적수거처리능력,실현료전원전압、전류감측,단로기감공,건반화현시,RS485통신등공능.침대풍력발전계통출현적전압질락현상,분석료이용기우유효치화소파변환상결합적방법검측전압질락적폭치화정위질락적시각점,실험결과표명료해계통구유은정성호,정도고,향응쾌화항간우능력강등특점.
In order to improve the continuity,reliability and stability of the major load,a new hardware and software design of Intelligent Switch Device is proposed.In this method,the TMS320F2812 is used as a control core and the Circuit Breaker is used as a control object.This system not only takes full advantage of rich hardware resources and powerful data processing capabilities of the DSP,but also realizes the power supply voltage,current monitoring,circuit breaker control,keyboard and display,RS485communication and other functions.For the phenomenon of voltage sags in the wind power generation system,a method based on RMS and wavelet transform to detect voltage sag amplitude and locate the fall time point is analyzed.The experimental results show that the system has performances of good stability,high accuracy,quick response and anti-jamming capability.
