输电线路动态负荷管理系统
输电线路动态负荷管理系统用于解决输电线路负荷能力受限、难以满足负荷增长需求等难题，在不改变已有网架结构和不影响在运线路热稳定的情况下，提升线路运行水平和负载能力。
输电
运行
线路
安全
实时
负荷
导线
电流
时间
数据
输电线路动态负荷管理系统用于解决输电线路负荷能力受限、难以满足负荷增长需求等难题，在不改变已有网架结构和不影响在运线路热稳定的情况下，提升线路运行水平和负载能力。
系统包括线路综合在线监测装置和中心主站。装置挂载运行于线路上，可实时采集线路运行工况（包括电量和非电量数据），集成边缘计算功能，可就地计算和分析线路运行状态，通过物联网将数据自动上传至中心主站。主站依据实时数据进行高温预警，并评估线路安全运行载流量和安全运行时间，为解决输电通道负荷阻塞问题，提供实时、动态、量化的专家系统技术数据支持，实现输电线路运行负荷的精细化、智能化管理，保障线路安全稳定运行。
主要功能
1)状态监测：实时监测线路运行电流、导线温度、环境温度、日照强度、等效风速等。
2)输送能力评估：绘制线路实时输送能力曲线，并给出当前工况下线路（或断面）安全运行时间、设定电流限额下的最大安全运行时间、设定时间下的最大可输送容量。
3)运行风险管控：多种方法规避增容运行或N-1运行风险，包括按照最严苛条件给出30分钟安全运行的电流限额、给定电流限额的安全运行时间、给定气象条件的电流限额等数据，实时跟踪增容或N-1工况下导线温度并预警。
4)异常告警：导线温升、负荷超限、安全运行时间超限等告警。
5)关键点测温（选配）：实时监测输电线路易发热点（耐张线夹、导线接续管等）的温度，实现温度分级预警和缺陷智能识别。
主要技术指标
1）适用于35kV~1000kV电压等级的架空绝缘导线；
2）感应取电：工作电流范围20A～1500A（单根导线）；
3）支持多协议数据上传，满足国网《输电线路状态监测装置技术规范》I1协议上传，支持加密平台接入认证；
4）系统可提升线路年平均负载能力15%~30%（极端天气下5%~15%）。
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