本刊特别报道：我国实施西部大开发的标志性工程——紫坪铺水利枢纽工程继3号机19万kW机组并网发电后，11月13日上午10时，4号机19万kW机组投产，并网投入商业运行，为四川川西电网特别是成都电网增加发电出力38万kW，将有效缓解枯水期供电压力。紫坪铺水利枢纽工程是国家和四 Our special report: China’s implementation of a landmark project for the development of the western region - Zipingpu Water Conservancy Project Following the No. 3 machine 190,000 kW unit grid-connected power generation, at 10:00 on November 13, No. 4 machine 19 000 kW unit Put into operation and put into commercial operation on the grid and increased the power output of 380,000kW for the Sichuan Western Power Grid, especially Chengdu Power Grid, which will effectively ease the pressure of power supply during the dry season. Zipingpu Water Conservancy Project is a national and four