交流同步采样在断路器测控装置中的应用  

The Application of Alternating Current Synchronization Sampling in Vacuum Breaker Control Equipment

作　　者：刘政[1] 张光建[1] 黄贤英[1] 杨武[1] 

机构地区：[1]重庆工学院,400050

出　　处：《微计算机信息》2006年第12Z期308-309,312,共3页Control & Automation

基　　金：重庆市科技攻关重点项目(项目编号:CSTC.2004AA2001-8277-9)

摘　　要：真空断路器遥测装置中最重要的测量参数中最重要的是三相交流电参数,当电网频率波动时,必须采用交流同步采样技术才能保证采样计算精度,同步检测和FFT算法成为其核心技术,文章提出了如何使用硬件同步和软件同步相结合,以提高三相同步交流采样的精度和可靠性。Three phase alternating current （AC） parameters are the main data which will be inspected by vacuum breaker inspect equipments, AC synchronization sampling technology must be adopted to ensure the sampling counting precision in inspect equipments because of the undulation of electrical nets frequency. Synchronization inspect and FIT algorithm are advanced in this paper to improve the precision and dependability of three phase synchronization AC sampling through the connection of software synchronization and hardware synchronization, the validity of this method is proved in practice application.

关 键 词：电力系统 交流同步采样 FFT ARM LPC2138 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]