综合智慧能源 ›› 2026, Vol. 48 ›› Issue (5): 83-94.doi: 10.3969/j.issn.2097-0706.2026.05.009
• 综合能源系统分析与评估 • 上一篇
崔雅茹a,b(
), 鹿院卫a,b,*(
), 王子瑄a,b(
), 杨涵a,b(
), 吴玉庭a,b(
)
收稿日期:2026-01-09
修回日期:2026-02-26
出版日期:2026-04-14
通讯作者:
*鹿院卫(1971),女,教授,博士,从事可再生能源利用方面的研究,luyuanwei@bjut.edu.cn。作者简介:崔雅茹(2001),女,硕士生,从事熔盐储热提高火电厂灵活性方面的研究,cuiyaru@emails.bjut.edu.cn;基金资助:
CUI Yarua,b(
), LU Yuanweia,b,*(
), WANG Zixuana,b(
), YANG Hana,b(
), WU Yutinga,b(
)
Received:2026-01-09
Revised:2026-02-26
Published:2026-04-14
Supported by:摘要:
为解决高比例风光并网背景下燃煤机组调峰灵活性与经济性的协同难题,以600 MW亚临界燃煤机组为研究载体,提出基于抽汽-熔盐储热的光煤耦合深度调峰系统。针对现有研究未充分考虑风光上网量与调峰系统运行策略相互影响的局限,构建了包含初始投资、运行维护及燃煤成本的全生命周期成本体系,并以净现值、动态投资回收期、平准化度电成本及风光弃电量为评价指标的经济模型。结合风光出力曲线与日负荷曲线,设计7种差异化运行策略,通过熵权-优劣解距离法实现多维度性能的综合优选。研究结果表明:策略1为综合性能最优方案,凭借精准匹配风光高出力-负荷低谷的储热时序,实现净现值1.807 1×109元、动态投资回收期7.424 a及风光弃电量2 090 MW·h的三重优势,其系统输出功率与日负荷曲线呈良好跟随性,风光消纳比例为72.54%。
中图分类号:
崔雅茹, 鹿院卫, 王子瑄, 杨涵, 吴玉庭. 基于风光上网量的抽汽-熔盐储热光煤耦合调峰系统运行策略经济性分析[J]. 综合智慧能源, 2026, 48(5): 83-94.
CUI Yaru, LU Yuanwei, WANG Zixuan, YANG Han, WU Yuting. Economic efficiency analysis of operation strategies for the solar-coal peak-shaving system with steam extraction and molten salt thermal energy storage based on wind and solar power integration amount[J]. Integrated Intelligent Energy, 2026, 48(5): 83-94.
表2
燃煤机组主要参数设计值与模拟值对比
| 参数 | 100%THA | 75%THA | 50%THA | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 设计值 | 模拟值 | 误差/% | 设计值 | 模拟值 | 误差/% | 设计值 | 模拟值 | 误差/% | |
| 发电功率/MW | 600.18 | 600.33 | 0.02 | 450.21 | 450.73 | 0.12 | 300.03 | 299.74 | 0.10 |
| 主蒸汽流量/(t·h-1) | 1 848.78 | 1 844.00 | 0.26 | 1 350.31 | 1 369.50 | 1.42 | 900.11 | 894.30 | 0.65 |
| 主蒸汽压力/MPa | 16.67 | 16.67 | 0.00 | 14.40 | 14.40 | 0.00 | 9.77 | 9.77 | 0.00 |
| 再热蒸汽流量/(t·h-1) | 1 576.13 | 1 582.81 | 0.42 | 1 173.44 | 1 203.63 | 2.57 | 789.27 | 804.23 | 1.90 |
| 再热蒸汽压力/MPa | 3.41 | 3.41 | 0.00 | 2.56 | 2.60 | 1.39 | 1.75 | 1.71 | 2.10 |
| #1抽汽温度/℃ | 276.07 | 276.09 | 0.01 | 256.26 | 257.42 | 0.45 | 232.84 | 232.84 | 0.00 |
| #2抽汽温度/℃ | 245.44 | 245.44 | 0.00 | 228.95 | 230.02 | 0.47 | 208.45 | 208.44 | 0.00 |
| #3抽汽温度/℃ | 210.91 | 211.96 | 0.49 | 198.2 | 199.15 | 0.48 | 180.76 | 180.75 | 0.01 |
| #4抽汽温度/℃ | 178.34 | 178.33 | 0.01 | 166.68 | 167.47 | 0.47 | 151.9 | 151.88 | 0.01 |
| #5抽汽温度/℃ | 154.99 | 154.97 | 0.01 | 144.56 | 145.27 | 0.49 | 131.28 | 131.25 | 0.02 |
| #6抽汽温度/℃ | 121.66 | 121.62 | 0.03 | 113.05 | 113.65 | 0.53 | 102.07 | 102.00 | 0.07 |
| #7抽汽温度/℃ | 89.52 | 89.42 | 0.11 | 82.42 | 82.91 | 0.60 | 73.47 | 73.30 | 0.23 |
表5
调峰系统运行策略
| 运行策略时间 | 策略1 | 策略2 | 策略3 | 策略4 | 策略5 | 策略6 | 策略7 |
|---|---|---|---|---|---|---|---|
| 00:00 | 50%THA | 释热 | 释热 | 释热 | 释热 | 75%THA | 75%THA |
| 01:00 | 50%THA | 释热 | 释热 | 50%THA | 75%THA | 75%THA | 50%THA |
| 02:00 | 50%THA | 释热 | 75%THA | 释热 | 75%THA | 75%THA | 75%THA |
| 03:00 | 75%THA | 75%THA | 75%THA | 释热 | 75%THA | 75%THA | 75%THA |
| 04:00 | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 |
| 05:00 | 75%THA | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 |
| 06:00 | 50%THA | 抽汽储热 | 抽汽储热 | 抽汽储热 | 抽汽储热 | 抽汽储热 | 抽汽储热 |
| 07:00 | 释热 | 抽汽储热 | 抽汽储热 | 抽汽储热 | 抽汽储热 | 抽汽储热 | 抽汽储热 |
| 08:00 | 75%THA | 抽汽储热 | 抽汽储热 | 抽汽储热 | 抽汽储热 | 抽汽储热 | 抽汽储热 |
| 09:00 | 75%THA | 抽汽储热+光热 储热 | 抽汽储热 | 抽汽储热 | 抽汽储热 | 释热 | 释热 |
| 10:00 | 75%THA | 抽汽储热+光热 储热 | 释热 | 50%THA+光热储热 | 释热 | 释热 | 释热 |
| 11:00 | 75%THA+光热 储热 | 75%THA+光热 储热 | 释热 | 释热 | 释热 | 75%THA+光热 储热 | 75%THA |
| 12:00 | 75%THA+光热 储热 | 释热 | 75%THA+光热储热 | 释热 | 75%THA+光热储热 | 75%THA+光热 储热 | 50%THA+光热 储热 |
| 13:00 | 50%THA | 释热 | 75%THA+光热储热 | 75%THA+光热 储热 | 75%THA+光热储热 | 50%THA+光热 储热 | 50%THA+光热 储热 |
| 14:00 | 50%THA | 75%THA+光热 储热 | 75%THA+光热储热 | 50%THA+光热 储热 | 75%THA+光热储热 | 50%THA | 50%THA+光热 储热 |
| 15:00 | 75%THA | 75%THA+光热 储热 | 50%THA+光热储热 | 50%THA+光热 储热 | 50%THA+光热储热 | 50%THA | 50%THA |
| 16:00 | 75%THA | 释热 | 50%THA | 50%THA | 50%THA | 50%THA | 50%THA |
| 17:00 | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 |
| 18:00 | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 |
| 19:00 | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 |
| 20:00 | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 |
| 21:00 | 50%THA | 释热 | 释热 | 释热 | 释热 | 释热 | 释热 |
| 22:00 | 抽汽储热 | 释热 | 释热 | 50%THA | 释热 | 75%THA | 50%THA |
| 23:00 | 抽汽储热 | 释热 | 50%THA | 50%THA | 释热 | 50%THA | 50%THA |
表7
运行策略优选
| 运行策略 | 净现值/107元 | 动态投资回收期/a | 平准化度电成本/[元·(kW·h)-1] | 风光弃电量/(MW·h) | 得分 |
|---|---|---|---|---|---|
| 1 | 180.71 | 7.424 | 0.382 | 2 090 | 0.28 |
| 2 | 173.41 | 7.749 | 0.360 | 5 905 | 0.19 |
| 3 | 159.65 | 8.080 | 0.368 | 6 015 | 0.16 |
| 4 | 138.98 | 8.725 | 0.374 | 5 965 | 0.14 |
| 5 | 173.47 | 7.701 | 0.366 | 7 839 | 0.11 |
| 6 | 171.65 | 7.702 | 0.374 | 7 949 | 0.07 |
| 7 | 170.17 | 7.741 | 0.379 | 8 049 | 0.05 |
| 权重 | 0.138 | 0.138 | 0.257 | 0.468 |
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