摘要
输电线舞动严重时会导致杆塔倒塌,甚至发生事故。该文采用微加速度传感器,研究了高压架空输电线舞动远程监测系统。系统采用新型微加速度传感器测量导线舞动的实时数据,通过无线GSM传输模块将数据发送至上位机。上位机对信号进行采集、滤波、积分等处理。系统采用最小二乘法(LMS)进行去趋势项处理,完成对加速度信号的积分修正,得到准确的舞动信息数据。采用该系统在实验室进行了测试试验,测试系统测量的准确性。试验结果表明,LMS能有效去除信号趋势项,对于模拟的输电线舞动信号,系统能够进行有效报警。
The serious galloping will lead to collapsing of poles and towers of transmission line, and even the event of an accident. A remote overhead transmission lines galloping monitoring system based on the micro-acceleration sensors＇ technology, is developed. The basic design thought of which is to adopt a new micro-acceleration sensor monitoring the conductor galloping data by real time, to wirelessly ttatmmit the data to the host computer with GSM module. The acquisition, filtration and integration of data, and etc date processing, were accom- plished by the upper computer programmed. We use LMS to correct the integration in data handing, to obtanin the accurate galloping informations. The experimental results show that LMS can effectively remove the trend terms. For the simulative signals of lines galloping, it can give effective warning.
出处
《电气自动化》
2010年第1期66-68,共3页
Electrical Automation
