摘要
设计了一种电子式的多路有功电功率测量的实用电路。提出了减小微型电流互感器和电压互感器的比差和角差的方法。微型电流互感器和电压互感器作为敏感元件,结合单片机测量电路,有功电功率的测量准确度可达到0.5%,整个多路有功电功率测量系统具有很强的抗电磁干扰性能。
The applied circuit about the measurement for multiplex active energy was designed. A method for reducing ratio difference and angle difference of micro-transformer of current and micro-transformer of voltage is forward. The precision of active power is 0.5% through using micro-transformer of current and micro-transformer of voltage, and combining a circuit of microcomputer . The system of measurement about multiplex active energy has a good capability to get rid of electromagnetic interference.
出处
《仪表技术与传感器》
CSCD
北大核心
2006年第1期59-60,共2页
Instrument Technique and Sensor
关键词
微型电流互感器
微型电压互感器
有功电功率
比差
角差
Micro-Transformer of Current
Micro-Transformer of Voltage
Active Power
Ratio Difference
Angle Difference
