虚拟抽水蓄能试验装置本体及通讯子系统方案设计

发布时间：2018-01-06 19:05

本文关键词：虚拟抽水蓄能试验装置本体及通讯子系统方案设计　出处：《华北电力大学》2015年硕士论文　论文类型：学位论文

【摘要】：近年来,随着电力需求持续增长,化石燃料过度消耗,大量温室气体的排放导致全球变暖等问题日益凸显,引入可再生能源可以有效缓解能源与环境之间的矛盾。可再生能源自身具有随机性与间歇性,大量并网会降低电力系统可靠性,因此储能技术的研究成为解决可再生能源瓶颈问题的关键。本文结合储能技术发展现状,分析比较了多种储能技术的优缺点,提出一种将抽水蓄能技术与压缩空气储能技术相结合的储能方案,即虚拟抽水蓄能技术。结合虚拟抽水蓄能系统及热力学相关原理,提出了一套基于等温压缩原理和分级加压原理的虚拟抽水蓄能试验装置设计方案。在此基础上,将装置分为高低压水池方案、液压活塞装置方案和水活塞装置方案,给出了各部分装置主要设备的选型,提出了在储能和发电状态下各部分装置的运行方案。分别对装置在储能状态和发电状态下进行分析,建立数学模型,给出计算推导过程,并通过算例,验证了装置运行方案的可行性。基于ZigBee技术与以太网技术,提出了一套虚拟抽水蓄能装置通信子系统的设计方案。利用传感器对所需数据进行采集,并通过通信网络将其上传至控制台,实现对装置参数的实时采集与监测。最后,对本文提出的虚拟抽水蓄能装置的整体设计方案进行总结,分析了存在的不足之处,并对未来虚拟抽水蓄能系统研究工作的重点及后续装置的改进方向进行了展望
[Abstract]:In recent years, with the continuous growth of electricity demand, excessive consumption of fossil fuels, a large number of greenhouse gas emissions leading to global warming and other issues have become increasingly prominent. The introduction of renewable energy can effectively alleviate the contradiction between energy and environment. Renewable energy itself has randomness and intermittency. A large number of grid connection will reduce the reliability of power system. Therefore, the research of energy storage technology has become the key to solve the bottleneck problem of renewable energy. This paper analyzes and compares the advantages and disadvantages of various energy storage technologies combined with the development of energy storage technology. This paper presents a method of energy storage which combines pumped storage technology with compressed air energy storage technology, that is, virtual pumped storage technology, combined with virtual pumped storage system and thermodynamics related principles. Based on the principle of isothermal compression and stepwise pressurization, a design scheme of virtual pumped storage test device is put forward. On this basis, the device is divided into high and low pressure pool schemes. The hydraulic piston device scheme and the water piston device scheme are given, and the selection of the main equipment of each part is given. The operation scheme of each part of the device in the state of energy storage and power generation is put forward. The analysis of the device in the state of energy storage and the state of power generation is carried out, the mathematical model is established, the process of calculation and derivation is given, and an example is given. Based on ZigBee technology and Ethernet technology, a design scheme of communication subsystem of virtual pumped storage device is proposed. The data is collected by sensors. And upload it to the console through the communication network to realize the real-time acquisition and monitoring of the device parameters. Finally, the overall design of the virtual pumped storage device proposed in this paper is summarized. The shortcomings of virtual pumped storage system in the future are analyzed, and the emphasis of the research on virtual pumped storage system in the future and the improvement direction of the follow-up device are prospected.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TK02

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