Introduction - If you have any usage issues, please Google them yourself
The early days of electric power industry, electricity is directly in the user in the vicinity of the station (or power plant) in production, the power plant to run in isolation. As the industrial and agricultural production and urban development, rapid increase in electricity requirements, while the thermal energy resources (such as coal), and water resource-rich areas are often far away from power are concentrated in urban and industrial and mining areas, in order to solve this contradiction, we need to resource-rich regions in the power to establish large-scale power plants, and then long-distance power transmission to the