摘要
给出一种新型有功功率的实时测量系统.该系统以高性能16位单片微机80C196为核心构成.采用霍尔(HALL)传感器直接产生电压和电流的乘积信号,80C196对此信号采样并对连续一个工频周期的采样信号进行数值积分以实现对有功功率的快速测量.由于系统频率的变化而导致的积分误差可以通过80C196对频率的实时测量进行补偿.给出装置的各种动态模拟实验结果,结果表明,所研究开发的这种装置能够在各种运行情况下快速并准确的实现对有功功率的测量.
Development of a new type of real power transducer is described. Based on a high performance 16 bit microprocessor and using HALL effect based current sensor as a multiplier of current and voltage,the power transducer can take fast and accurate measurement of real power with numerical integration technique. Some dynamic simulation test results are given.
关键词
微处理机
有功功率测量
传感器
Monolithic processors
Wattful power measurement
Hall sensors
Real time