上海电源结构优化策略研究
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摘要
目前上海负荷峰谷差日益增大,市外来电规模增加及新能源优先消纳等问题要求上海电源装机具有较强的调峰灵活性。该文系统地分析了上海用电负荷特性,并从增强调峰灵活性角度出发,对上海电源结构优化策略和实施方案进行了详细分析。研究结果表明未来上海市内电源装机建设应以建设增加燃气机组,提高灵活调峰性能为主。上海缺口容量的燃机替代燃煤机组方案策略包括退役煤机原址建设燃机,以及城市外围规划燃机电源点。现有小型煤机中,石洞口发电厂具备原址燃机替代条件。金山、青浦、嘉定、浦东4个区域适宜新增燃机替代燃煤机组。
The increasing peak-valley load difference, the increasing scale of external power and the priority of new energy consumption in Shanghai required the flexibility of peak load regulation. In this paper, the characteristics of Shanghai power load were analyzed systematically, and the optimization strategy and implementation scheme of Shanghai power supply structure were analyzed in detail from the perspective of enhancing the flexibility of peak load regulation. The results show that the installation of power supply in Shanghai in the future should focus on increasing gas turbine generating unit and improving peak load regulation performance. The strategy of replacing coal-fired generating units with gas turbine for Shanghai's gap capacity consists of the construction of gas turbine at the original site of retired coal machine and the planning construction of gas turbine power points in the city's outskirts. Shidongkou power plant had the construction condition of gas turbine at the original site of existing small coal-fired power plants. Jinshan, Qingpu, Jiading, and Pudong are suitable for the new gas turbine construction.
The increasing peak-valley load difference, the increasing scale of external power and the priority of new energy consumption in Shanghai required the flexibility of peak load regulation. In this paper, the characteristics of Shanghai power load were analyzed systematically, and the optimization strategy and implementation scheme of Shanghai power supply structure were analyzed in detail from the perspective of enhancing the flexibility of peak load regulation. The results show that the installation of power supply in Shanghai in the future should focus on increasing gas turbine generating unit and improving peak load regulation performance. The strategy of replacing coal-fired generating units with gas turbine for Shanghai's gap capacity consists of the construction of gas turbine at the original site of retired coal machine and the planning construction of gas turbine power points in the city's outskirts. Shidongkou power plant had the construction condition of gas turbine at the original site of existing small coal-fired power plants. Jinshan, Qingpu, Jiading, and Pudong are suitable for the new gas turbine construction.
引文
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[3]上海市人民政府.上海市能源发展“十三五”规划[EB/OL].(2017-04-11)[2018-09-10].http://www.sha nghai.gov.cn/nw2/nw2314/nw2319/nw12344/u26aw51932.html.
[4]陈博,徐逸清,黄一超,等.上海电网调峰及资源共享机制研究[J].电网与清洁能源,2015,31(7):37-43.
[5]董玉亮,袁家海,马丽荣.面向灵活性发电的燃煤机组大气排放特性分析[J].发电技术,2018,39(5):425-432.
[6]李树明,刘青松,朱小东,等.350MW超临界热电联产机组灵活性改造分析[J].发电技术,2018,39(5):449-454.
[7]陈荔,陈格恒.电网调峰电源的设置[J].江苏电机工程,2005,24(6):49-51.
[8]赵春,王培红.燃气-蒸汽联合循环热经济学分析评价指标研究[J].中国电机工程学报,2013,33(23):44-50.
[9]周凌安,申建建,李继红,等.日启停燃气机组调峰运行方法[J].中国电机工程学报,2017,37(20):5913-5921.
[10]林俐,田欣雨,蔡雪瑄.考虑附加成本的燃气机组深度调峰及电力系统能源效率[J].电力系统自动化,2018,42(11):16-23.
[11]张辉,贾思宁,范菁菁.燃气与燃煤电厂主要污染物排放估算分析[J].环境工程,2012(3):59-62,30.
[12]环境保护局,国家质量监督检验检疫总局.火电厂大气污染物排放标准:GB13223—2011[S].北京:中国环境科学出版社,2011.
[13]黄碧斌,李琼慧,孙李平,等.分布式天然气发电在上海电网中的应用及其影响[J].中国电力,2014,47(2):106-109.
[14]邹金,赖旭,汪宁渤.以减少电网弃风为目标的风电与抽水蓄能协调运行[J].电网技术,2015,39(9):2472-2477.
[15]上海市人民政府.上海市城市总体规划(2017—2035年)[EB/OL].(2018-01-04)[2018-09-10].http://www.shanghai.gov.cn/nw2/nw2314/nw32419/nw42806/.