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随着国民经济的发展和人民物质文化水平的不断提高,对电力需求越来越大,促使电力事业迅速发展,电网不断扩大,用户对用电提出了更高的要求。1998年国家电力公司提出的目标是:提高供电可靠性,城市供电可靠率达到99.9%,大城市市中心区达到99.99%;提高供电质量,使电压合格率大于98%。要达到上述目标,必须采用现代化手段提高供电自动化水平,即实施配电系统自动化。
With the development of the national economy and continuous improvement of the material and cultural level of the people, the demand for electricity is growing. This has prompted the rapid development of the electric power industry and the continuous expansion of the power grid. Users have put even higher demands on electricity consumption. In 1998, the goal set by the State Power Corporation was to improve the reliability of power supply, with a reliability rate of 99.9% in urban power supply and 99.99% in the downtown area of large cities. The quality of power supply was improved so that the voltage passing rate was over 98%. To achieve the above objectives, modern means must be used to increase the level of automation of power supply, that is, to implement the automation of distribution systems.