好心人呐~悬赏电力英语翻译（100字左右）

In China, 500kV substation in the city in the process of rapid development. Wiring the building of power plants substation design is one of the necessary steps, is related to whether the actual construction of the normal economic operation of the key. As China's rapid economic development, some cities in high population density, land expensive, to a certain extent the phenomenon of air pollution, while the corresponding urban substation building by the outside world is also faced with constraints, the site difficult, more cable Chuxian Problems. In recent years, with domestic and international gas-insulated metal-enclosed switching equipment (GIS) systems and integrated automation technology applications, the City substation in a small footprint, flexible, easy to overhaul the trend of development. This paper Xixinan to 500kV main wiring and the second part of the design as an example, more in-depth study of the City substation design and attention to issues of site conditions,