Article(id=1295068423940231505, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1295068190569164906, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202511023, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1762704000000, receivedDateStr=2025-11-10, revisedDate=1764086400000, revisedDateStr=2025-11-26, acceptedDate=1764604800000, acceptedDateStr=2025-12-02, onlineDate=1786697973475, onlineDateStr=2026-08-14, pubDate=1782316800000, pubDateStr=2026-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1786697973475, onlineIssueDateStr=2026-08-14, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1786697973475, creator=13701087609, updateTime=1786697973475, updator=13701087609, issue=Issue{id=1295068190569164906, tenantId=1146029695717560320, journalId=1210938733613449225, year='2026', volume='55', issue='6', pageStart='1', pageEnd='192', issueExtLink='null', onlineDate='null', pubDate='1782316800000', pubDateStr='2026-06-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1786697917835, creator='13701087609', updateTime=1786698816898, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1295071961596584952, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1295068190569164906, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1295071961596584953, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1295068190569164906, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=91, endPage=101, ext={EN=ArticleExt(id=1295068424321913170, articleId=1295068423940231505, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Thermodynamic performance analysis of a novel Carnot battery system utilizing exhaust steam, columnId=1295068192326574197, journalTitle=Thermal Power Generation, columnName=Energy storage technology research, runingTitle=null, highlight=null, articleAbstract=
[Objective] To address the issues of insufficient renewable energy integration into the power grid and the high exhaust steam loss in coal-fired power units, a novel Carnot Battery system integrated with a steam ejector is proposed to provide a technical solution for the flexibility transformation of coal-fired units.
[Methods] This study designed two new systems, System Ⅰ and Ⅱ, utilizing turbine exhaust steam and extraction steam as low-temperature heat sources. System Ⅱ introduces a steam ejector, which uses exhaust from the intermediate-pressure turbine to entrain the exhaust steam, thereby increasing the cold source temperature of the heat storage cycle. Based on the EBSILON Professional, thermodynamic modeling was conducted to compare the coefficient of performance (CCOP), round-trip efficiency (ηRTE), and exergy loss of each system, followed by a techno-economic assessment.
[Results] Thermodynamic analysis indicates that the exhaust steam losses of System Ⅰ and Ⅱ are reduced by 38.19 MW and 39.62 MW, respectively, compared to the reference system. Benefiting from the elevated cold source temperature, the CCOP of both systems increased to 1.36 and 1.42. Sensitivity analysis shows that System Ⅱ achieves an optimal round-trip efficiency of 61.51% at a cold source outlet temperature of 55 ℃, an improvement of 2.11 percentage points over the reference system. In terms of techno-economic performance, System Ⅱ performs best, with a dynamic payback period of 9.44 years and a levelized cost of storage as low as 2 094.59 yuan/(MW·h).
[Conclusion] The novel System Ⅱ not only effectively reduces energy consumption and improves energy storage efficiency but also demonstrates significant economic competitiveness, which is of great importance for promoting the low-carbon transition of China’s energy industry.
, authors=Buting ZHANG
1, Bokang LIU
2, Weiwei LIU
1, Zhidong WU
2, Erqiang CHEN
1, Shifei ZHAO
3, authorsList=Buting ZHANG, Bokang LIU, Weiwei LIU, Zhidong WU, Erqiang CHEN, Shifei ZHAO, authorCompany=null, correspAuthors=Shifei ZHAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1295068428671406449, articleId=1295068423940231505, tenantId=1146029695717560320, journalId=1210938733613449225, language=CN, title=利用乏汽的新型卡诺电池热力学性能分析, columnId=1236714914694361723, journalTitle=热力发电, columnName=储能技术研究, runingTitle=null, highlight=null, articleAbstract=
【目的】 针对电网新能源消纳不足和燃煤机组乏汽损失大的问题,提出了一种集成蒸汽喷射器的新型卡诺电池系统,为燃煤机组灵活性改造提供技术方案。
【方法】 设计了利用汽轮机乏汽和抽汽作为低温热源的新型系统Ⅰ和Ⅱ。新型系统Ⅱ引入蒸汽喷射器,以中压缸排汽引射乏汽,提升储热循环冷源温度。基于EBSILON Professional进行建模,对比分析各系统的能效系数、往返效率及㶲损失,并开展技术经济性评估。
【结果】 热力学分析显示,新型系统Ⅰ、Ⅱ的乏汽损失较参考系统分别降低了38.19 MW和39.62 MW;受益于冷源温度提升,两系统能效系数分别升至1.36和1.42。敏感性分析表明,系统Ⅱ在冷源出口温度为55 ℃时达到最佳往返效率61.51%,较参考系统提升2.11百分点。技术经济性方面,系统Ⅱ表现最优,其动态投资回收期为9.44年,平准化储能成本低至2 094.59元/(MW·h)。
【结论】 新型系统Ⅱ不仅能有效降低能耗、提升储能效率,还具备显著的经济竞争力,对促进我国能源行业低碳转型具有重要意义。
, authors=张步庭
1, 刘伯康
2, 刘玮蔚
1, 武志东
2, 陈二强
1, 赵世飞
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张步庭(1980),男,硕士,正高级工程师,主要研究方向为电碳协同、供热机组调峰等技术,zhangbuting@163.com。
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3.华北水利水电大学能源与动力工程学院,河南 郑州 450045)])], figs=[ArticleFig(id=1295068432869904803, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.1, caption=
Schematic diagram of the Carnot battery system based on a coal-fired unit (reference system), figureFileSmall=m1ayGOGfXWEVrmD7UfLEJw==, figureFileBig=5rBY4SOlLaKRqqz5xyUUHQ==, tableContent=null), ArticleFig(id=1295068432928625060, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图1, caption=
基于燃煤机组的卡诺电池系统示意(参考系统), figureFileSmall=m1ayGOGfXWEVrmD7UfLEJw==, figureFileBig=5rBY4SOlLaKRqqz5xyUUHQ==, tableContent=null), ArticleFig(id=1295068433117368741, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.2, caption=
Schematic diagram of the Carnot battery system utilizing exhaust steam (novel system Ⅰ), figureFileSmall=zlP82mSpTHAfIqrgNQ2oDg==, figureFileBig=JJYMHFE2DSMTwXpyihkuug==, tableContent=null), ArticleFig(id=1295068433192866214, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图2, caption=
利用乏汽的卡诺电池系统示意(新型系统I), figureFileSmall=zlP82mSpTHAfIqrgNQ2oDg==, figureFileBig=JJYMHFE2DSMTwXpyihkuug==, tableContent=null), ArticleFig(id=1295068433259975079, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.3, caption=
Schematic diagram of a Carnot battery system integrated with a steam ejector (novel system Ⅱ), figureFileSmall=s3MzwYMqm1fnE19bllqbbQ==, figureFileBig=gfhgut9oFYYEljes1PHbpQ==, tableContent=null), ArticleFig(id=1295068433348055464, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图3, caption=
集成蒸汽喷射器的卡诺电池系统示意(新型系统Ⅱ), figureFileSmall=s3MzwYMqm1fnE19bllqbbQ==, figureFileBig=gfhgut9oFYYEljes1PHbpQ==, tableContent=null), ArticleFig(id=1295068433415164329, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.4, caption=
Schematic diagram of the model of the novel system Ⅱ established by EBSILON Professional, figureFileSmall=7fXpAQRUArQeFOIQEMMogw==, figureFileBig=KeAmjW5X+j4OZwn7PkdOXA==, tableContent=null), ArticleFig(id=1295068433482273194, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图4, caption=
基于EBSILON Professional平台的新型系统Ⅱ模型示意, figureFileSmall=7fXpAQRUArQeFOIQEMMogw==, figureFileBig=KeAmjW5X+j4OZwn7PkdOXA==, tableContent=null), ArticleFig(id=1295068433574547883, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.5, caption=
T-s diagram of the energy storage cycle in each system, figureFileSmall=6tf8AhctFbVPDGwjiA4atA==, figureFileBig=jnrZlgg0hOYdC7qQ8yuc5w==, tableContent=null), ArticleFig(id=1295068433658433964, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图5, caption=
各系统储能循环温熵图, figureFileSmall=6tf8AhctFbVPDGwjiA4atA==, figureFileBig=jnrZlgg0hOYdC7qQ8yuc5w==, tableContent=null), ArticleFig(id=1295068433733931437, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.6, caption=
Energy flow diagrams of the three systems, figureFileSmall=dXM5Jlwts7tBrJ+MwgrstA==, figureFileBig=gFtY1U5nJ7xE5LWvfsPfxQ==, tableContent=null), ArticleFig(id=1295068433792651694, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图6, caption=
各系统能量流动图, figureFileSmall=dXM5Jlwts7tBrJ+MwgrstA==, figureFileBig=gFtY1U5nJ7xE5LWvfsPfxQ==, tableContent=null), ArticleFig(id=1295068433859760559, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.7, caption=
Distribution of exergy loss of each component in the energy storage system, figureFileSmall=VjoCubokOMfN6aJtEWsk5g==, figureFileBig=IG3zUWJJShZHQWsW2NcbWA==, tableContent=null), ArticleFig(id=1295068433926869424, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图7, caption=
储能系统各部件㶲损分布, figureFileSmall=VjoCubokOMfN6aJtEWsk5g==, figureFileBig=IG3zUWJJShZHQWsW2NcbWA==, tableContent=null), ArticleFig(id=1295068434002366897, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.8, caption=
Influence of cold source heat exchanger outlet temperature on turbine inlet/outlet temperature, figureFileSmall=T/XzvHFy5vO6b4XR4uFCHQ==, figureFileBig=FI21W8QVjaT5y0v1jtmWnQ==, tableContent=null), ArticleFig(id=1295068434073670066, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图8, caption=
不同冷源出口温度对透平进、出口温度的影响, figureFileSmall=T/XzvHFy5vO6b4XR4uFCHQ==, figureFileBig=FI21W8QVjaT5y0v1jtmWnQ==, tableContent=null), ArticleFig(id=1295068434149167539, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.9, caption=
Influence of cold source heat exchanger outlet temperature on compressor/turbine power, figureFileSmall=AahEiTJY1Eh9dZxF7RLj0g==, figureFileBig=Q4/tiz7n7Pa/hs0G7yLWMA==, tableContent=null), ArticleFig(id=1295068434220470708, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图9, caption=
不同冷源出口温度对压缩机耗功、透平做功的影响, figureFileSmall=AahEiTJY1Eh9dZxF7RLj0g==, figureFileBig=Q4/tiz7n7Pa/hs0G7yLWMA==, tableContent=null), ArticleFig(id=1295068434291773877, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.10, caption=
Influence of cold source heat exchanger outlet temperature on heat transfer in heat exchangers, figureFileSmall=US2hAUUod80uWUFkpAarXg==, figureFileBig=0PTJqzxHeDDIsxd2b/XyUw==, tableContent=null), ArticleFig(id=1295068434354688438, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图10, caption=
不同冷源出口温度对不同换热器换热量的影响, figureFileSmall=US2hAUUod80uWUFkpAarXg==, figureFileBig=0PTJqzxHeDDIsxd2b/XyUw==, tableContent=null), ArticleFig(id=1295068434438574519, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.11, caption=
The influence of cold source outlet temperature on the utilization of exhaust steam from low-pressure cylinder and extraction steam from intermediate pressure cylinder, figureFileSmall=2NpVS+wJW7Q6aMRoj1xCxg==, figureFileBig=r3EkgGyqQ3xrLNuKqate/Q==, tableContent=null), ArticleFig(id=1295068434514071992, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图11, caption=
冷源出口温度对低压缸乏汽和中压缸抽汽利用量的影响, figureFileSmall=2NpVS+wJW7Q6aMRoj1xCxg==, figureFileBig=r3EkgGyqQ3xrLNuKqate/Q==, tableContent=null), ArticleFig(id=1295068434589569465, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.12, caption=
Influence of cold source heat exchanger outlet temperature on coefficient of performance, reduction in coal-fired power generation, and round-trip efficiency, figureFileSmall=QMbvpi4Dkgnve3CRvAtEDA==, figureFileBig=Q2W4Z+fTUW8gba6azGIgZw==, tableContent=null), ArticleFig(id=1295068434681844154, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图12, caption=
冷源出口温度对能效系数、燃煤系统发电减少量和往返效率的影响, figureFileSmall=QMbvpi4Dkgnve3CRvAtEDA==, figureFileBig=Q2W4Z+fTUW8gba6azGIgZw==, tableContent=null), ArticleFig(id=1295068434757341627, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.13, caption=
Power demand and supply during a typical day, figureFileSmall=TBSl3SKnBToHGezOX57NtQ==, figureFileBig=nt+DoET8SkQa6guxm4C1cg==, tableContent=null), ArticleFig(id=1295068434820256188, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图13, caption=
某典型日内能源供需情况, figureFileSmall=TBSl3SKnBToHGezOX57NtQ==, figureFileBig=nt+DoET8SkQa6guxm4C1cg==, tableContent=null), ArticleFig(id=1295068434895753661, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.14, caption=
Comparison of coal-fired unit power generation during the energy storage phase, figureFileSmall=umBgVEDkCOMPBIOUULe5mw==, figureFileBig=dsp17hBse0kXoutlFaZDsA==, tableContent=null), ArticleFig(id=1295068434971251134, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图14, caption=
储能阶段系统燃煤机组发电量对比, figureFileSmall=umBgVEDkCOMPBIOUULe5mw==, figureFileBig=dsp17hBse0kXoutlFaZDsA==, tableContent=null), ArticleFig(id=1295068435055137215, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Fig.15, caption=
Comparison of molten salt storage capacity during the charge phase, figureFileSmall=PVnQOL71wNHOubtSFrxSRw==, figureFileBig=xzH5QsgTH+ja9Jse8Qeh0w==, tableContent=null), ArticleFig(id=1295068435122246080, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=图15, caption=
储能阶段系统熔盐储量对比, figureFileSmall=PVnQOL71wNHOubtSFrxSRw==, figureFileBig=xzH5QsgTH+ja9Jse8Qeh0w==, tableContent=null), ArticleFig(id=1295068435214520769, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Tab.1, caption=
Major thermodynamic parameters of a supercritical coal-fired power unit
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 30%THA | THA |
|---|
| 主蒸汽流量/(t·h–1) | 526.5 | 1 784 |
| 主蒸汽压力/MPa | 9.2 | 24.2 |
| 主蒸汽温度/℃ | 566 | 566 |
| 再热蒸汽流量/(t·h–1) | 476.66 | 1 505.11 |
| 再热蒸汽压力/MPa | 1.4 | 4.2 |
| 再热蒸汽温度/℃ | 530 | 566 |
| 乏汽流量/(t·h–1) | 370.81 | 1 016.61 |
| 乏汽损失/MW | 254.76 | 666.55 |
| 发电量/MW | 189 | 630 |
| 背压/kPa | 4.9 | 4.9 |
), ArticleFig(id=1295068436896436674, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=表1, caption=
超临界燃煤发电机组主要热力学参数
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| 项目 | 30%THA | THA |
|---|
| 主蒸汽流量/(t·h–1) | 526.5 | 1 784 |
| 主蒸汽压力/MPa | 9.2 | 24.2 |
| 主蒸汽温度/℃ | 566 | 566 |
| 再热蒸汽流量/(t·h–1) | 476.66 | 1 505.11 |
| 再热蒸汽压力/MPa | 1.4 | 4.2 |
| 再热蒸汽温度/℃ | 530 | 566 |
| 乏汽流量/(t·h–1) | 370.81 | 1 016.61 |
| 乏汽损失/MW | 254.76 | 666.55 |
| 发电量/MW | 189 | 630 |
| 背压/kPa | 4.9 | 4.9 |
), ArticleFig(id=1295068436967739843, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Tab.2, caption=
Major thermodynamic parameters of the P2H system
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| 项目 | 数值 |
|---|
| 工质初始温度/℃ | 320 |
| 工质初始压力/MPa | 1.6 |
| 工质压缩后压力/MPa | 3.84 |
| 热源加热器出口温度/℃ | 325 |
| 透平等熵效率 | 0.9 |
| 压缩机等熵效率 | 0.9 |
| 回热器上端差/℃ | 5 |
| 冷源入口温度/℃ | 15 |
| 冷源加热器上端差/℃ | 5 |
| 冷源出口温度/℃ | 10 |
), ArticleFig(id=1295068437030654404, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=表2, caption=
电转热系统主要热力学参数
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| 项目 | 数值 |
|---|
| 工质初始温度/℃ | 320 |
| 工质初始压力/MPa | 1.6 |
| 工质压缩后压力/MPa | 3.84 |
| 热源加热器出口温度/℃ | 325 |
| 透平等熵效率 | 0.9 |
| 压缩机等熵效率 | 0.9 |
| 回热器上端差/℃ | 5 |
| 冷源入口温度/℃ | 15 |
| 冷源加热器上端差/℃ | 5 |
| 冷源出口温度/℃ | 10 |
), ArticleFig(id=1295068437101957573, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Tab.3, caption=
Comparison between simulated and actual parameters[18] of various state points in P2H system
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| 状态点 | 实际参数 | 模拟参数 | 误差/% |
|---|
| 压缩机入口温度/℃ | 261.5 | 261.5 | 0 |
| 压缩机出口温度/℃ | 589 | 589.3 | 0.05 |
| 压缩机入口压力/MPa | 1.6 | 1.6 | 0 |
| 压缩机出口压力/MPa | 4.8 | 4.8 | 0 |
| 回热器入口温度/℃ | 325 | 325 | 0 |
| 回热器出口温度/℃ | 21.53 | 21.69 | 0.74 |
| 冷源加热器入口温度/℃ | –56.98 | –57.66 | 1.19 |
| 冷源加热器出口温度/℃ | 10 | 10 | 0 |
| COP | 1.31 | 1.30 | 0.70 |
), ArticleFig(id=1295068437194232262, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=表3, caption=
电转热系统各状态点参数模拟值与实际值[18]对比
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| 状态点 | 实际参数 | 模拟参数 | 误差/% |
|---|
| 压缩机入口温度/℃ | 261.5 | 261.5 | 0 |
| 压缩机出口温度/℃ | 589 | 589.3 | 0.05 |
| 压缩机入口压力/MPa | 1.6 | 1.6 | 0 |
| 压缩机出口压力/MPa | 4.8 | 4.8 | 0 |
| 回热器入口温度/℃ | 325 | 325 | 0 |
| 回热器出口温度/℃ | 21.53 | 21.69 | 0.74 |
| 冷源加热器入口温度/℃ | –56.98 | –57.66 | 1.19 |
| 冷源加热器出口温度/℃ | 10 | 10 | 0 |
| COP | 1.31 | 1.30 | 0.70 |
), ArticleFig(id=1295068437265535431, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Tab.4, caption=
Comparison between the simulated and actual power generation values under different conditions
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| 工况 | 实际发电量/MW | 模拟发电量/MW | 误差/% |
|---|
| THA | 630 | 630.29 | 0.04 |
| 75%THA | 472.52 | 472.06 | 0.09 |
| 50%THA | 315.02 | 314.99 | 0.01 |
| 40%THA | 252.00 | 252.47 | 0.18 |
| 30%THA | 189.02 | 188.74 | 0.15 |
), ArticleFig(id=1295068437341032904, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=表4, caption=
不同工况下模拟发电量与实际发电量对比
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| 工况 | 实际发电量/MW | 模拟发电量/MW | 误差/% |
|---|
| THA | 630 | 630.29 | 0.04 |
| 75%THA | 472.52 | 472.06 | 0.09 |
| 50%THA | 315.02 | 314.99 | 0.01 |
| 40%THA | 252.00 | 252.47 | 0.18 |
| 30%THA | 189.02 | 188.74 | 0.15 |
), ArticleFig(id=1295068437412336073, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Tab.5, caption=
The calculation formulas for components cost
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| 部件 | 公式 |
|---|
| 换热器 | C =8 649×W0.6 |
| 压缩机 | C =7 900×W0.62 |
| 透平 | C =9 858×W0.6 |
| 熔盐 | C =1 172.6×m |
| 储罐 | C =687.5×V |
), ArticleFig(id=1295068437483639242, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=表5, caption=
各部件成本计算公式
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| 部件 | 公式 |
|---|
| 换热器 | C =8 649×W0.6 |
| 压缩机 | C =7 900×W0.62 |
| 透平 | C =9 858×W0.6 |
| 熔盐 | C =1 172.6×m |
| 储罐 | C =687.5×V |
), ArticleFig(id=1295068437554942411, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Tab.6, caption=
Thermodynamic performances of the three systems
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| 参数 | 参考系统 | 新型系统I | 新型系统Ⅱ |
|---|
| 压缩机耗功量/MW | 136.47 | 139.73 | 141.31 |
| 透平做功量/MW | 36.47 | 39.73 | 43.94 |
| 冷源加热器出口温度/℃ | 10.00 | 27.55 | 55 |
| 热源加热器换热量/MW | 133.22 | 136.40 | 137.94 |
| 冷源加热器换热量/MW | 34.95 | 38.20 | 42.42 |
| 回热器换热量/MW | 153.41 | 147.99 | 135.38 |
| 循环工质流量/(t·h–1) | 3 363.73 | 3 444.15 | 3 482.58 |
| 乏汽损失/MW | 254.76 | 216.57 | 215.14 |
| 燃煤机组发电减少量/MW | | | 2.63 |
| 能效系数CCOP | 1.33 | 1.36 | 1.42 |
| 往返效率/% | 59.40 | 60.82 | 61.51 |
), ArticleFig(id=1295068437634634188, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=表6, caption=
各系统热力学性能对比
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| 参数 | 参考系统 | 新型系统I | 新型系统Ⅱ |
|---|
| 压缩机耗功量/MW | 136.47 | 139.73 | 141.31 |
| 透平做功量/MW | 36.47 | 39.73 | 43.94 |
| 冷源加热器出口温度/℃ | 10.00 | 27.55 | 55 |
| 热源加热器换热量/MW | 133.22 | 136.40 | 137.94 |
| 冷源加热器换热量/MW | 34.95 | 38.20 | 42.42 |
| 回热器换热量/MW | 153.41 | 147.99 | 135.38 |
| 循环工质流量/(t·h–1) | 3 363.73 | 3 444.15 | 3 482.58 |
| 乏汽损失/MW | 254.76 | 216.57 | 215.14 |
| 燃煤机组发电减少量/MW | | | 2.63 |
| 能效系数CCOP | 1.33 | 1.36 | 1.42 |
| 往返效率/% | 59.40 | 60.82 | 61.51 |
), ArticleFig(id=1295068437705937357, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=EN, label=Tab.7, caption=
The techno-economic analysis about these systems
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| 设备 | 参考系统 | 新型系统Ⅰ | 新型系统Ⅱ |
|---|
| 换热器成本/万元 | 3 365.59 | 3 395.52 | 3 460.32 |
| 透平成本/万元 | 1 830.04 | 1 808.89 | 1 793.51 |
| 压缩机成本/万元 | 5 789.29 | 5 822.95 | 5 847.24 |
| 储热罐成本/万元 | 1 000.24 | 1 000.24 | 1 000.24 |
| 熔盐成本/万元 | 3 600.01 | 3 600.01 | 3 600.01 |
| 蒸汽喷射器成本/万元 | — | — | 45.00 |
| 总成本/万元 | 28 311.89 | 28 399.49 | 28 644.23 |
| 年运维成本/万元 | 424.68 | 425.99 | 429.66 |
| 年发电量/(万kW·h) | 11 383.09 | 11 597.93 | 11 755.04 |
| 年节煤量/t | 31 323.28 | 31 914.46 | 32 346.78 |
| 节煤收益/(万元·a–1) | 3 758.79 | 3 829.74 | 3 881.61 |
| 平准化储能成本/(元·(MW·h)–1) | 2 137.82 | 2 104.77 | 2 094.59 |
| 动态投资回收期/a | 9.69 | 9.50 | 9.44 |
), ArticleFig(id=1295068437781434830, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1295068423940231505, language=CN, label=表7, caption=
各系统经济性分析
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| 设备 | 参考系统 | 新型系统Ⅰ | 新型系统Ⅱ |
|---|
| 换热器成本/万元 | 3 365.59 | 3 395.52 | 3 460.32 |
| 透平成本/万元 | 1 830.04 | 1 808.89 | 1 793.51 |
| 压缩机成本/万元 | 5 789.29 | 5 822.95 | 5 847.24 |
| 储热罐成本/万元 | 1 000.24 | 1 000.24 | 1 000.24 |
| 熔盐成本/万元 | 3 600.01 | 3 600.01 | 3 600.01 |
| 蒸汽喷射器成本/万元 | — | — | 45.00 |
| 总成本/万元 | 28 311.89 | 28 399.49 | 28 644.23 |
| 年运维成本/万元 | 424.68 | 425.99 | 429.66 |
| 年发电量/(万kW·h) | 11 383.09 | 11 597.93 | 11 755.04 |
| 年节煤量/t | 31 323.28 | 31 914.46 | 32 346.78 |
| 节煤收益/(万元·a–1) | 3 758.79 | 3 829.74 | 3 881.61 |
| 平准化储能成本/(元·(MW·h)–1) | 2 137.82 | 2 104.77 | 2 094.59 |
| 动态投资回收期/a | 9.69 | 9.50 | 9.44 |
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