南京工程学院学报(自然科学版)
南京工程學院學報(自然科學版)
남경공정학원학보(자연과학판)
JOURNAL OF NANJING INSTITUTE OF TECHNOLOGY(NATURAL SCIENCE EDITION)
2014年
3期
9-13
,共5页
张亮%水恒华%顾阳%韩林%安薇薇%辛瑶
張亮%水恆華%顧暘%韓林%安薇薇%辛瑤
장량%수항화%고양%한림%안미미%신요
微电网%谐波检测%STM32 F103
微電網%諧波檢測%STM32 F103
미전망%해파검측%STM32 F103
micro grid%harmonic detection%STM32F103
开发高精度谐波检测装置,能够为补偿设备的合理投入提供科学依据,对保障微电网供电质量意义重大。本文提出一种基于32位ARM微处理器STM32F103+无线通讯GPRS模块SIM900为核心架构的数据检测分析系统。设计了相关硬件接口电路,为消除频谱混叠引发的精度失准进行了抗混叠滤波器结构与参数的选型研究,并对A/D采样前的模拟信号给予了电平预处理。最后,为增强装置工程应用可靠性,开展了机箱三维辅助设计与人机交互系统开发。
開髮高精度諧波檢測裝置,能夠為補償設備的閤理投入提供科學依據,對保障微電網供電質量意義重大。本文提齣一種基于32位ARM微處理器STM32F103+無線通訊GPRS模塊SIM900為覈心架構的數據檢測分析繫統。設計瞭相關硬件接口電路,為消除頻譜混疊引髮的精度失準進行瞭抗混疊濾波器結構與參數的選型研究,併對A/D採樣前的模擬信號給予瞭電平預處理。最後,為增彊裝置工程應用可靠性,開展瞭機箱三維輔助設計與人機交互繫統開髮。
개발고정도해파검측장치,능구위보상설비적합리투입제공과학의거,대보장미전망공전질량의의중대。본문제출일충기우32위ARM미처리기STM32F103+무선통신GPRS모괴SIM900위핵심가구적수거검측분석계통。설계료상관경건접구전로,위소제빈보혼첩인발적정도실준진행료항혼첩려파기결구여삼수적선형연구,병대A/D채양전적모의신호급여료전평예처리。최후,위증강장치공정응용가고성,개전료궤상삼유보조설계여인궤교호계통개발。
A harmonic detection device of high precision can lay a sound foundation for reasonably spending on equipment compensation,which is of great significance to securing micro grid power supply qualities.This paper builds a system for detecting and analyzing data based on a core framework which consists of a 32-bit micro device STM32F103 and wireless communication GPRS model SIM900.Some interface circuits for corresponding hardware are devised.To address the problem with the lack of precision caused by frequency aliasing,the type selection of the structure and parameters of anti-aliasing filters is studied.The electric level of analog signals before AD sampling is preprocessed.Finally,to make the engineering application of this device more reliable,a 3D auxiliary crate is designed and a human and machine interaction system is developed.