对城市供电设施小型化的几点认识

Several Points of View of Miniaturization for City Power Supply Facilities

在我国大城市城区征地费用越来越高和征地越来越困难的条件下,以如何使220kV和550kV超高压直接供电的供电设施小型化、低噪声、防爆、环保,并最大限度减小占地面积为前提,介绍了目前电网中已投运或即将运行的小型供电设施,如组合电器、超导电缆、气体绝缘变压器及超导变压器等的研发和应用情况,可为我国在城市超高压供电方面解决现有设施体积过大等问题提供参考。

Under the condition of the large population of city and great number of high - rise buiding, the more and more cost for soliciting land city area is needed, and the condition becomes more and more difficulty. Based on how to make the miniatruization, low noise, explosion proofing, environmental protection and reducing the cover area for city power supply facilities that power supplied directly from 220 kV and 550 kV EHV system, the research and development with application condition of the small - sized facilities of power supply were introduced, such as combined electric apparatus, superconductor cable, gas insulation transformer, superconductor transformer etc., which can be as a reference for solving the problem of existing power supply facility volume.