摘要:电压监测仪的校验工作量大、 效率和精度低， 为保证电压监测仪性能指标， 研制了一种对单相电压监测统计仪进行精度、 灵敏度、 谐波、 时间试验的校验装置。装置以高速单片机为核心， 利用丰富的P C机资源、 融合F P G A 技术、 点阵图形液晶等技术， 实现监测仪误差校验过程的自动控制、微机数据管理、 程控操作、 故障保护。实验结果表明装置综合误差为0 . 1 级， 输出电压失真度小于0 . 5 ， 系

统运行准确、 数据传输可靠、 操作方便及功能完善。-Abstract: The voltage monitor calibration heavy workload, efficiency and accuracy of low-voltage monitoring device in order to ensure performance indicators, developed a single-phase voltage monitoring of statistical instrument accuracy, sensitivity, harmonic, time calibration test device . Devices to high-speed single-chip microcomputer as the core, the use of PC-rich resources, integration of FPGA technology, dot-matrix graphic LCD and other technologies, monitor implementation of error checking process, automatic control, computer data management, program-controlled operation, fault protection. The results show that the device General error 0.1, the output voltage distortion of less than 0.5 , system operation is accurate, reliable data transmission, easy to operate and function.