基于RN8209防窃电电能表设计

针对当前严重的窃电现象以及现有防窃电措施不足的问题,提出并设计了一种基于RN8209防窃电电能表,该电能表能够完成相线、零线电流与电网电压的采集与计算,解决了数据采集与处理的实时性问题,单片机根据相线与零线的功率大小对用户用电状况进行实时监测,对各种窃电方式准确甄别。研究结果表明,该系统能够准确、实时地检测出窃电行为,并具有高精度、运行稳定可靠等特点。

Design of single-phase electronic anti-steal Watt-hour meter based on RN8209

In view of current rampant situation of stealing electricity as well as deficiency of existing methods against the theft,a new design of Watt-hour meter of electricity-theftproof function with RN8209 as its core was promoted.By this Watt-hour meter,the phase line,the zero electric current and network voltage can be sampled and computed,the real-time performance of data collecting and processing was achieved.Being a real-time monitor of users＇ power consumption,the monolithic integrated circuit of this table was able to accurately discriminate every way of stealing electricity according to the power value of the phase line and the zero curves.The study result shows that this Watt-hour meter can accurately detect the electricity thefts with characteristic of high precision,stability,reliability,and etc..