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首页> 外文期刊>Energy Conversion & Management >Operation optimization on the large-scale CHP station composed of multiple CHP units and a thermocline heat storage tank
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Operation optimization on the large-scale CHP station composed of multiple CHP units and a thermocline heat storage tank

机译：多种CHP单位组成的大型CHP站的操作优化及热控蓄热罐

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摘要

Combined heat and power (CHP) is used around the world to enhance energy efficiency. The power load and heating loads are coupled in CHP units. Therefore, heat-power decoupling is essential for CHP units because it serves as the balancing power units to accommodate intermittent renewable power. Heat storage is an effective way to enhance CHP station flexibility. Considering the detail energy consumption characteristics of CHP units, this study investigated how to operate the CHP station, which is composed of multiple parallel CHP units and a thermocline heat storage tank, under constrained heating and power loads. Operation optimization models were developed, and particle swarm optimization was applied. Then, a case study was carried out. The minimum adjustable power load of the CHP unit is decreased by 12% through integrating heat storage when the heating load is 300 MW. The operation of the thermocline storage tank and CHP units could be scheduled globally with the developed optimization models. The total coal consumption could be decreased by 10.27 tons for the analyzed typical day, and the average standard coal consumption rate for power generation reduces by 1.16 g.kW(-1)h(-1). Additional similar to 133 kUSD per heating period can be saved.
机译：组合的热量和功率（CHP）在世界各地使用，以提高能效。电力负载和加热负载以CHP单元耦合。因此，热功率去耦对于CHP单元是必不可少的，因为它用作平衡电源单元，以适应间歇性可再生能力。蓄热是提高CHP站灵活性的有效方法。考虑到CHP单位的细节能耗特性，本研究研究了如何操作CHP站，其由多个并联CHP单元和热量储热罐组成，在约束的加热和动力载荷下。开发了操作优化​​模型，应用了粒子群优化。然后，进行案例研究。 CHP单元的最小可调功率负载通过在加热负载为300兆瓦时积分热量来降低12％。热控储罐和CHP单位的操作可以通过开发的优化模型在全球范围内安排。分析的典型日可以降低10.27吨的总煤炭消耗，发电的平均标准煤消耗率降低1.16 G.KW（-1）H（-1）。可以保存与每次加热时段的133 kusd类似的附加情况。

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  • 来源
    《Energy Conversion & Management》 |2020年第5期|112767.1-112767.12|共12页
  • 作者

    Lai Fen; Wang Shan; Liu Ming; Yan Junjie;

  • 作者单位

    Xi An Jiao Tong Univ Sch Energy & Power Engn Xian 710049 Peoples R China;

    Xi An Jiao Tong Univ Sch Energy & Power Engn State Key Lab Multiphase Flow Power Engn Xian 710049 Peoples R China;

    Xi An Jiao Tong Univ Sch Energy & Power Engn State Key Lab Multiphase Flow Power Engn Xian 710049 Peoples R China;

    Xi An Jiao Tong Univ Sch Energy & Power Engn State Key Lab Multiphase Flow Power Engn Xian 710049 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    CHP; Energy saving; Flexibility; Heat storage; Particle swarm optimization;

    机译：CHP;节能;灵活性;蓄热;粒子群优化;

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