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覆冰监测系统 我有新说法
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  【JD-SDJB1】山东竞道光电厂家以客户为中心,品质至上,共创共赢。输电线路的覆冰及其引起的各类冰灾事故,严重危害了我国电力系统的安全运行。我国冰灾事故具有持续时间长、发生频率高、覆盖面积大等特点;微气象地区的严重覆冰会引起输变电设备电气性能和机械性能下降,严重覆冰引起过载荷、不均匀覆冰和不同时期脱冰引起张力差、绝缘子串覆冰闪络及覆冰导线舞动,这些都是造成覆冰事故的主要原因。

  一、产品简介

  【JD-SDJB1】山东竞道光电厂家以客户为中心,品质至上,共创共赢。输电线路的覆冰及其引起的各类冰灾事故,严重危害了我国电力系统的安全运行。我国冰灾事故具有持续时间长、发生频率高、覆盖面积大等特点;微气象地区的严重覆冰会引起输变电设备电气性能和机械性能下降,严重覆冰引起过载荷、不均匀覆冰和不同时期脱冰引起张力差、绝缘子串覆冰闪络及覆冰导线舞动,这些都是造成覆冰事故的主要原因。

  二、工作原理

  输电线路微波覆冰监测装置不需要停电安装,设备采用的微波检测技术并结合温度分析实现对各种类杆塔、绝缘子、输电线路等进行结冰情况的实时监控。

  系统传感器采用微波检测技术,基于微波信号对冰、水、空气等不同物质的反馈信号的区别实现对传感器敏感区域的结冰信息的监测,并根据信号的强弱以及传感器敏感区域结冰的分布信息进行结冰厚度的计算,可根据不同的结冰厚度信息设置结冰报警值,便于除冰系统的启动,主机实时对结冰信号进行采样,滤波,放大,AD转换,再经过我们的专有算法转换后,得到结冰速率及厚度值。当覆冰的厚度达到了预先设定的阀值后,发出结冰告警信号,然后通过4G等无线网络传输到后台。实时评估结冰的危害,保障线路安全运行。

  三、产品特点

  1、能够实时在线监测铁塔区域结冰、覆冰厚度,风速、方向、温度、湿度、大气压力、光学雨量及总辐射,并自动存储和上传数据到后台;

  2、能分析结冰情况,并自动报警或提示;

  四、技术参数

  1、覆冰厚度:测量原理微波检测,最大测量厚度:30.00mm,检测分辨率:0.01mm;功率:<1W(选配融冰装置15W)

  2、风速:测量原理超声波,0~60m/s(±0.1m/s)分辨率0.01m/s;

  3、风向:测量原理超声波,0~360°(±2°);分辨率:1°;

  4、空气温度:测量原理二极管结电压法,-40-60℃(±0.3℃),分辨率0.01℃;(北京市气象局校准证书)

  5、空气湿度:测量原理电容式,0-100%RH(±3%RH),分辨率:0.1%RH;(北京市气象局校准证书)

  6、大气压力:测量原理压阻式,30-1100hpa(±0.25%),分辨率0.1hpa;(北京市气象局校准证书)

  7、光学雨量:测量原理光电式,0-4mm/min(≤±4%),分辨率0.01mm;

  8、总辐射:测量原理光电效应,0-1800W/㎡(<±3%),分辨率1W/㎡;

  9、采集器供电接口:GX-12-3P插头,输入电压5V,带RS232输出Json数据格式,采集器供电:DC5V±0.5V峰值电流1A,

  10、传感器modbus、485接口:GX-12-4P插头,输出供电电压12V/1A,设备配置接口:GX-12-4P插头,输入电压5V

  11、太阳能供电、配置铅酸电池,可选配30W 20AH/50W 40AH/100W 100AH.充电控制器:150W,MPPT自动功率点跟踪,效率提高20%

  12、数据上传间隔:1分钟-1000分钟可调

参考资料

参考资料编辑区域


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