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金沙江上的向家坝和溪洛渡水电站是西电东送的主要骨干电源 ,其配套的输变电工程送出容量大 ,距离长 ,相应的投资较高。在今后电力市场日臻规范和电价竞争机制逐渐形成的条件下其经济合理性和发展前景为人们所关注。通过输变电成本随送电距离和容量的变化研究及其与国内其它一些中远距离输变电工程还本付息过网费的对比分析 ,论证了向家坝和溪洛渡水电站远距离送电的经济合理性
The Xiangjiaba and Xiluodu hydropower stations on the Jinsha River are the main backbone power sources for the West-to-East power transmission projects. Their supporting power transmission projects have large capacity and long distances, and the corresponding investments are relatively high. In the future, with the gradual establishment of the regulation of the solar power market and the pricing mechanism for electricity, the economic rationality and development prospects are of concern to the people. Through the comparison of transmission and distribution costs with transmission distance and capacity and its comparison with other domestic medium and long-distance transmission and transformation projects, this paper demonstrated the long-distance transmission of electricity to Xiangjiaba and Xiluodu Hydropower Station. Economic rationality