电力网系统 meaning in English

electric power pool

General considerations for telecommunication services for electric power systems
电力网系统电信服务的总设计
One is the technical line loss , it is caused by the electric equipments and the electric power nets themselves . the other is raised from management , and mostly because of the electricity stealing behaviors and the errors of the measuring equipments
线损除技术线损是由电力网系统中各个电力设备及电力网本身引起的损耗外,很大一部分是管理线损即由于窃电和计量故障丢失的电量。