Cables are widely used in urban transmission lines due to their excellent stability,safety,and aesthetic qualities.Addressing the triple challenges of conservative load adjustment,insufficient transmission capacity and difficult real-time management in urban cable clusters,this paper discusses key technologies in the realization of load management for urban power grid cable clusters from four aspects:accurate assessment of cable cluster tem-perature rise,enhancement of transmission capacity,assessment of health status and load management.A precise control scheme is formulated for cable cluster transmission capacity,guiding the application of techniques of en-hancing transmission capacity and load management in urban power grid cable clusters.
urban power gridcable clustertemperature rise assessmenthealth statusload management
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