基于GPS与GPRS的远程同步检测仪设计  

Design of GPS and GPRS based remote synchronization detector

作　　者：申莉[1] 毕伟[1] 舒开旗[1] 

机构地区：[1]国网湖北省电力公司电力科学研究院,武汉430077

出　　处：《电测与仪表》2016年第21期124-128,共5页Electrical Measurement & Instrumentation

摘　　要：为方便供电部门对用户用电资料整理,需要对用户设备使用的用电属性和用电相序进行判别,特此研制出基于GPS与GPRS的远程同步检测仪。该装置采用高速、高精度的模数转换芯片ADS8556和以Cortex-M4为内核的处理器STM32F407。在GPS秒脉冲下,该装置对三相交流信号进行非同步采样,采用4项5阶Nuttal窗插值算法求得电参数。通过GPRS技术传输带有时标的初相值数据,接收初相值信息来进行相别、相序的识别。现场试验表明:该装置所采用的方法能够准确远程识别出相别和相序。For the convenience of electricity supply department to manage the user documentation,it needs to identify the electrical property and electricity phase sequence of user equipment,in this end,this paper developed GPS and GPRS based remote synchronization detector. The device adopts a high-precision A / D chip ADS8556 and Cortex-M4-core processor STM32F407. Under the GPS pulse,the device of three-phase AC signals of non-synchronous sampling,the 4 item 5 order Nuttal windowed interpolation algorithm is adopted to obtain electrical parameters. Transmission through GPRS technology with initial values of data,it receives initial values information for identification of phase failure and phase sequence. Field tests show that the method in which the device can accurately identify phase and phase sequence in remote.

关 键 词：GPS同步采样 CORTEX-M4 Nuttal窗函数 GPRS远程通信 相别相序识别 

分 类 号：TM93[电气工程—电力电子与电力传动]