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沙田水电站(原名花木桥水电站)装机容量3×1.8万kW,经一条110kV、长323km的花茶醴株线接入系统。鉴于线路损耗大、运行性能差,若干年前曾提出过架设沙郴线的并网方案;但由于投资排不上号,方案不能实施,致使沙田水电站在不合理的并网方式下运行,直至今日。为此,特就沙田水电站目前并网方式的不合理性和架设沙郴线后的运行性能、经济效益进行剖析,以便引起有关方面的重视。
Shatin Hydropower Station (formerly known as Huamuqiao Hydropower Station) installed capacity of 3 × 18000 kW, through a 110kV, 323km long Hua Cha liu line access system. In view of the high loss of lines and the poor performance of operation, a grid-connection plan for erecting sand lines has been proposed some years ago. However, due to the lack of investment, the scheme can not be implemented and Shatin hydropower stations operate under an unreasonable grid-connected mode today. To this end, we analyzed the irrationality of Shatian Hydropower Station’s current grid connection and the operational performance and economic benefits after the Shamian line was erected to attract the attention of relevant parties.