摘要
针对传统的电子式电机保护器对于三相电机出现过载、欠载、过压、欠压、断相、三相不平衡等故障,精度低,功能单一的问题,提出了一种以数字信号处理器TMS320F2812为控制核心,通过硬件电路设计结合采样修正的算法对线路中电压、电流进行精确采集的多功能电机保护器。实测结果表明,该电机保护器精度高,保护性能优越。
The traditional electrical motor protector has the disadvantages of limited function, low precision and poor sensitivity and suffers three-phase motor faults such as overload, underload, undervoltage, overvohage, phase failure and three phase unbalance. A protector based on the digital signal processor TMS320F2812 is proposed, using the method of sampling and correcting to collect the voltage and current exactly. The experiments results show good precision and superior performance to traditional electrical motor protectors.
出处
《电子科技》
2017年第2期12-15,共4页
Electronic Science and Technology
基金
上海工程技术大学研究生创新基金资助项目(E3-0903-16-01025)
关键词
电机保护器
电压电流采样
相序检测
采样修正
CAN通信
motor protector
voltage current sampling
phase detect
sampling rectification
CAN bus commu-nication