交流电量的实时检测技术及实现

The Real-time Sampling Technology and its Realization of Alternating Current Parameters

针对电力参数的实时高精度检测难题, 介绍了一种用于交流电量 (电压、电流、有功功率、功率因数、频率等) 的采用双速率同步交流采样算法的实时自动检测技术。该系统基于 16位单片机, 以交流电量为检测对象, 通过对工频的跟踪检测和双速率同步交流采样算法, 提高系统的检测精度。文中阐述了该技术的原理、硬件实现和软件设计。经过实践证明, 该技术在电力系统的智能检测中有很大的应用前景。

Aimed at the improvement of the precision and rapidity of the automatic sampling in electric system,a kind of real-time sampling technology which uses the dual-speed alternating current synchronous sampling arithmetic was introduced.The technology is used for alternating current parameters’ measuring,such as voltage,current,active power,power factor and frequency,etc.The system is based on 16-bit single chip microcomputer,which takes the alternating current parameters as the sampling object.Via the frequency tracking measuring and the dual-speed alternating current synchronous sampling arithmetic,the precision of the system is improved.The principle,the design of the technology’s hardware and software were introduced.Proved by the application,this technology has great foreground in the intelligent sampling of the electric system.