综合能源系统能效评估的终端低碳运行研究
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摘要
供电商向综合能源供应商的转型发展在能源互联网大背景下顺应而出。提出一种分层综合能源服务商低碳运行模式,上层综合能源服务商保证源端供能设备低碳运行,下层综合能源服务商保证终端耗能设备低碳高效运行。基于综合能源系统低碳指标,优化终端用户节点混合供能运行模式,并通过终端用户侧碳减排率以及全天综合能源利用率对不同低碳供能模式进行评估分析。通过优化仿真可得出,电蓄热锅炉的加入对于混合供热节点处的碳减排效果显著,而在混合供热节点处燃气锅炉的辅助供热对综合能源利用率提升具有明显成效。
The transition from electricity suppliers to integrated energy suppliers is coming out in the background of the energy Internet. It was proposed that a sort of low-carbon operation mode for hierarchical integrated energy service provider which was composedof2 stages.Thefirst-class service provider dealt with lowcarbon unit and grid scheduling and produced low-carbon and comprehensive energy consumption indexand delivered them to the second-class service provider. Based on the low carbon index of intergrated energy system, the hybrid energy supply mode at the end-user node was optimized. The analysis of low-carbon operation strategy was carried through by the rate of carbon reduction and integrated energy utilization of terminal users. Through the optimized simulation, it could be concluded that the addition of electric heat storage boilermakes for carbon emission reduction, while the gas boiler makes for improving the integrated energy utilization rate.
The transition from electricity suppliers to integrated energy suppliers is coming out in the background of the energy Internet. It was proposed that a sort of low-carbon operation mode for hierarchical integrated energy service provider which was composedof2 stages.Thefirst-class service provider dealt with lowcarbon unit and grid scheduling and produced low-carbon and comprehensive energy consumption indexand delivered them to the second-class service provider. Based on the low carbon index of intergrated energy system, the hybrid energy supply mode at the end-user node was optimized. The analysis of low-carbon operation strategy was carried through by the rate of carbon reduction and integrated energy utilization of terminal users. Through the optimized simulation, it could be concluded that the addition of electric heat storage boilermakes for carbon emission reduction, while the gas boiler makes for improving the integrated energy utilization rate.
引文
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[8]薛屹洵,郭庆来,孙宏斌,等.面向多能协同园区的能源综合利用率指标[J].电力自动化设备,2017,37(6):117-123.XUE Yixun, GUO Qinglai, SUN Hongbin, et al. Comprehensive energy utilization rate for park-level integrated energy system[J]. Electric Power Automation Equipment,2017,37(6):117-123.
[9]周天睿,康重庆,徐乾耀,等.电力系统碳排放流的计算方法初探[J].电力系统自动化,2012,36(11):44-49.ZHOU Tianrui, KANG Chongqing, XU Qianyao, et al. Preliminary investigation on a method for carbon emission flow calculation of power system[J]. Automation of ElectricPowerSystems,2012,36(11):44-49.
[10]高赐威,罗海明,朱璐璐,等.基于电力系统能效评估的蓄能用电技术节能评价及优化[J].电工技术学报,2016,31(11):140-148.GAO Ciwei, LUO Haiming, ZHU Lulu,et al. The energysaving assessment and optimization of energy storage and electricity utilization technology based on the energy efficiency evaluation of power system[J]. Transactions of ChinaElectrotechnicalSociety, 2016,31(11):140-148.
[11] AKIKUR R K, SAIDUR R, ULLAH K R, et al. Economic feasibility analysis of a solar energy and solid oxide fuel cell-based cogeneration system in malaysia[J]. Clean Technologies&EnvironmentalPolicy,2016,18(3):1-19.
[12]张蓓红,龙惟定.热电(冷)联产系统优化配置研究[J].暖通空调,2005,35(4):1-4,12.ZHANG Beihong, LONG Weiding. Optimal unit sizing of combined cooling heating and power systems[J].Heating Ventilating&AirConditioning, 2005,35(4):1-4,12.
[13]崔林,唐沂媛.冷热电联供型微电网优化运行及敏感性分析[J].电力工程技术,2017,36(6):138-143.CUI Lin, TANG Yiyuan. Optimal operationand sensitivity analysis of the combined cooling, heating and power microgrid[J]. Electric Power Engineering Technology,2017,36(6):138-143.