某数据中心分布式能源系统能效及经济性分析

发布时间：2018-03-19 05:32

本文选题：分布式能源系统　切入点：能效　出处：《北京建筑大学》2017年硕士论文　论文类型：学位论文

【摘要】：在节能减排,能源集约化、提高能源使用效率等政策的大背景下,分布式能源成为能源综合利用的新趋势,也促成了分布式能源技术不断的推陈出新。分布式能源其能源主体可为区域内为用户设施提供电、冷、热、电等能源,实现能源的综合配置与优化。在应用层面,分布式能源系统的优势有一次性投资相对较低、能量效率高、系统可靠维护简便等。可为用户提供具有较好经济效益的高质量能源供应。论文以某数据中心为研究对象,分析了数据中心的负荷特点和用能特点,分析了数据中心的用能安全性问题。对论文所研究项目的能源供应条件进行了分析,包括电能、天然气和冷热源供应情况。在能源供应条件分析的基础上,进行了供能方案的比较,确定了供能方案。数据中心用能特点是设备用电负荷大,同时散热量大,对供电和供冷保障度要求高。从用能需求分析看,数据中心用电负荷需求稳定,冷负荷需要全年全天稳定提供。根据数据中心的用能特点,采用分布式能源系统能够提高能源的利用效率。论文对分布式能源系统的技术性、经济性和不确定性进行了分析。经过计算分析得到,对项目影响较大的是投资,其次是电价,之后为天然气价和冷价。论文测算电、冷、热负荷全年成本支出,负荷分为固定负荷和变动负荷,固定负荷可以相对准确测算出来。影响经济性的因素主要集中在建设合理性与精细化的设备运维中,尽量通过合理的设备配置与技术做到节能。数据中心工程采用分布式能源系统,供能系统的保障性高、对能源的综合利用率高,具有较好的经济性。
[Abstract]:Under the background of the policies of energy saving and emission reduction, energy intensification and improving energy use efficiency, distributed energy has become a new trend of comprehensive utilization of energy. Distributed energy technology has also contributed to the innovation of distributed energy technology. The main energy sources of distributed energy sources can provide energy sources such as electricity, cold, heat, electricity and so on for user facilities in the region, so as to realize the comprehensive configuration and optimization of energy resources. The advantages of distributed energy system include relatively low one-time investment, high energy efficiency, simple system reliability and maintenance, etc. It can provide users with high quality energy supply with better economic benefit. This paper analyzes the load and energy characteristics of the data center, analyzes the security of the energy use in the data center, and analyzes the energy supply conditions of the projects studied in this paper, including electric energy. On the basis of the analysis of the energy supply conditions, the energy supply schemes are compared, and the energy supply schemes are determined. The demand for power supply and cooling guarantee is high. According to the analysis of energy use demand, the demand for electricity load in data center is stable, and the cooling load needs to be provided steadily throughout the year. According to the characteristics of energy use in data center, Using distributed energy system can improve the efficiency of energy utilization. This paper analyzes the technology, economy and uncertainty of distributed energy system. Then the natural gas price and the cold price. The paper calculates the annual cost of electricity, cooling and heat load, the load is divided into fixed load and variable load. The fixed load can be measured relatively accurately. The factors that affect the economy are mainly concentrated in the operation and maintenance of the equipment, which is reasonable and meticulous. The distributed energy system is adopted in the data center project. The energy supply system has high supportability, the comprehensive utilization ratio of energy is high, and it has good economy.
【学位授予单位】：北京建筑大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TU83;TP308;TM61

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