智能型低压电网剩余电流远程监测保护智能装置的研究与应用

Research and Application of Intelligent Low Voltage Grid Residual Current Remote Monitoring and Protective Device

针对传统剩余电流动作保护器(RCD)的缺点,根据电流动作型RCD的基本原理,采用数字化、智能化和数字通信技术,对RCD进行改进,加装报警装置、数据存储器和远程通信元件,实现RCD运行情况远程监测和远程调整控制功能。应用实践证明,低压电网剩余电流远程监测保护智能装置在低压电网的剩余电流监测、剩余电流保护、剩余电流故障排查方面有很强的推广、应用价值。

According to the shortcomings of the traditional residual current operated protactive device（ RCD）, and the basic principles of current operated RCD, the digital, intelligent and digital communication technology were used to improve the RCD function adding alarming device. The use of digital communication technologies, RCD add the data memory and the remote communication element, to achieve RCD operation of remote monitoring and remote control functions. The practical results prove that the intelligent low voltage grid residual current remote monitoring and protection devices have strong application value in low voltage grid residual current monitoring, residual current protection and residual current troubleshooting.