针对矿务局自备电厂机组并网发电后,如何提高矿区电网运行的经济性作了综合分析,提出了矿区电网经济运行应采取的对策,付诸实施后取得了较好的经济效益。 Aiming at the comprehensive analysis on how to improve the economy of the mining area power grid after the power plant self-provided power plant units are connected to the grid, the countermeasures that should be taken for the economic operation of the mining area power grid are put forward. After the implementation, the better economic benefits have been obtained.