摘要
针对电机试验中的电参数测试,设计了一种基于DSP的电量测量仪。详细论述了整个系统的硬件构架与软件算法,该系统通过采用高精度A/D转换器、DSP芯片以及上位机来完成电压、电流、功率、功率因数及频率的测量与数据的输出显示。对于中小型电机,测量仪既可测三相交流电参数,又可同时测量单相交流与直流电参数;当被测对象为直流有刷电机时,还能测量其转速;测试量程根据输入电流、电压的大小自动进行切换。测试结果表明:该系统精度高,运行稳定可靠,能满足实际需求。
Aiming at the motor parameter test,a new kind of electrical parameter measurement system wasinvestigated.After the analysis of various sized motors,hardware and software construction was established.Voltage,current,power,power factor and frequency were measured by using high-accuracy A/D converterand DSP chip,with results shown through computer.For medium and small-sized motors,the system cantest parameters of DC and single-phase AC simultaneously,also three-phase electrical parameters,switchingsmoothly between AC&DC.Rotating-speed is additionally measured when DC brush motor is under test.
作者
谢涛
Xie Tao(China Airborne Missile Academy,Luoyang Henan 471000)
出处
《河南科技》
2017年第17期38-41,共4页
Henan Science and Technology
关键词
交/直流
电参数测试
A/D转换
数字信号处理器
量程切换
AC/DC
electrical parameter measurement
A/D converter
digital signal processor(DSP)
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