EN凝汽式机组旁路蓄热调峰方案变工况及经济性研究
Study on variable working condition and economy of regenerative heat storage peak regulation scheme for condensing units
- 热力发电 2026年55卷第2期 页码：128-138
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- 作者简介：
- 基金信息：甘肃省科学技术厅资助项目（22ZD11GA314）~~
DOI：10.19666/j.rlfd.202507078
中图分类号：-
纸质出版：2026
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黄娅彤, 郑莆燕, 朱群志, 等. 凝汽式机组旁路蓄热调峰方案变工况及经济性研究[J]. 热力发电, 2026,55(2):128-138.
黄娅彤, 郑莆燕, 朱群志, et al. Study on variable working condition and economy of regenerative heat storage peak regulation scheme for condensing units[J]. Thermal Power Generation, 2026, 55(2): 128-138.
黄娅彤, 郑莆燕, 朱群志, 等. 凝汽式机组旁路蓄热调峰方案变工况及经济性研究[J]. 热力发电, 2026,55(2):128-138. DOI： 10.19666/j.rlfd.202507078.
黄娅彤, 郑莆燕, 朱群志, et al. Study on variable working condition and economy of regenerative heat storage peak regulation scheme for condensing units[J]. Thermal Power Generation, 2026, 55(2): 128-138. DOI： 10.19666/j.rlfd.202507078.
摘要
将熔盐储热技术应用于凝汽式火电机组可提高机组调峰的灵活性。构建了一种与旁路耦合的二级蓄热系统，并将其应用于某660 MW超超临界一次再热机组。以30%THA为蓄热设计工况，设计了4种蓄热容量方案，应用EBSILON软件模拟研究了变工况下机组的调峰范围、蓄放热时长、调峰成本和不同市场规则下蓄热调峰净利润的变化。结果表明：变工况运行时，存在蓄热可行域和放热可行域；蓄热过程中，蓄热起始工况在40%～50%之间最低发电负荷率下降的幅度较大，且高温蓄热系统先达到蓄热设计容量；放热过程中，放热起始工况为94.6%时即可达到VWO工况的负荷率，且高温蓄热系统先完成放热；不论何种方案，在45%蓄热起始工况下蓄热调峰时，售电收益增加最大，寿命损耗成本的增加最小，蓄热调峰增加的总成本最低；在调峰辅助服务市场下，净利润的最大值在40%蓄热起始工况下取得，而在容量市场下，净利润的最大值在45%蓄热起始工况下取得；蓄热容量最小的方案的总成本增加最低，在2种市场规则下的净利润均最大。
Abstract
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references
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