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【干货】特高压输电对汽轮机组有啥影响?如何应对?

2015-12-14 08:43来源:汽机监督作者:盛德仁关键词:汽轮机超超临界机组特高压收藏点赞

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3)研究大型机组的低负荷运行。随着特高压输电的接入,部分机组不可避免的出现低负荷运行状况,出现效率下降、安全性降低的现象,因此必须研究汽轮机组如何在低负荷运行下保持一定的效率,制定机组合理启停方案,同时让受端发电企业增加外来电消纳的灵活性,如替代发电、厂级调度、错峰检修,合理减少低负荷运行几率。

4)减少弯扭振动。由于特高压输电的高电压高电流特性及电力系统互联现象,当特高压输电发生故障时,机组的弯扭振动非常明显,忽略会致使机组出现极大应力损耗,甚至引起机组故障。因此,正确分析特高压故障下机组弯扭程度,合理安排机组运行方式,制定机组检修方案成为必须。

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原标题:特高压输电对汽轮机组有啥影响?如何应对?
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