用于家庭应急电源系统的小型直流微电网的简易充电器

Q1 Social Sciences Electricity Journal Pub Date : 2023-06-26 DOI:10.3390/electricity4030013
F. Himmelstoss, H. Votzi
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引用次数: 0

摘要

最近,欧洲讨论了长期停电的危险。停电可能是由能源分配故障、大型发电厂错误甚至网络攻击引起的。这可能导致连锁反应和管道的解体。更长时间的停电对整体经济和当地家庭都有极大的影响。因此,能够在一段时间内供应最重要负载的小型本地家庭电网引起了越来越多的兴趣。用一个小的直流电(DC)电网,可以提供诸如深冷柜和冰箱的关键负载,一些LED灯可以在晚上或晚上使用。太阳能发电机(电池板)可用于给能量存储设备(如电池)充电。直流电网不仅可以在紧急情况下使用,还可以用来减少公共电源的能源消耗,减少能源费用。讨论了家庭应急直流电网的结构;给出了对电池的建议;图中显示了基于Buck(降压)和Boost(升压)转换器等dc - dc转换器的两个简单充电器;给出了尺寸建议;以及简单的鲁棒控制器,具有扰动前馈的p控制器和滞后控制器,通过仿真进行了处理和测试。本文的目标是展示一个简单的自主家庭能源系统,没有外部现场总线,局域网或互联网连接,特别关注简单的充电器拓扑结构。
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Simple Chargers for a Small DC Micro-Grid for a Home Emergency Power System
Recently, the danger of a long blackout is discussed in Europe. Blackouts can be caused by failures in the energy distribution, errors in large power plants or even cyber-attacks. This can lead to a chain reaction and a disintegration of the mains. Longer blackouts have an extreme impact on the economy as a whole and on local households. Therefore, a small local grid at home which can supply the most important loads over some time has garnered increasing interest. With a small direct current (DC) grid, critical loads such as for deep freezers and refrigerators can be supplied, and some LED lights can be used in the evening or at night. Solar generators (panels) can be used to charge energy storage devices, e.g., batteries. A DC grid can not only be used in the case of an emergency, but can also be used to reduce energy consumption out of the public mains and reduce energy bills. The architecture of the household emergency DC grid is discussed; suggestions for batteries are given; two simple chargers, based on DC-DC-converters like the Buck (step-down) and on the Boost (step-up) converters, are shown; dimensioning suggestions are given; and simple, robust controllers, a P-controller with disturbance feedforward and a hysteresis controller, are treated and tested via simulations. The goal of the paper is to show a simple autonomous home energy system without an external fieldbus, LAN or internet connection with special focus on simple charger topologies.
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来源期刊
Electricity Journal
Electricity Journal Business, Management and Accounting-Business and International Management
CiteScore
5.80
自引率
0.00%
发文量
95
审稿时长
31 days
期刊介绍: The Electricity Journal is the leading journal in electric power policy. The journal deals primarily with fuel diversity and the energy mix needed for optimal energy market performance, and therefore covers the full spectrum of energy, from coal, nuclear, natural gas and oil, to renewable energy sources including hydro, solar, geothermal and wind power. Recently, the journal has been publishing in emerging areas including energy storage, microgrid strategies, dynamic pricing, cyber security, climate change, cap and trade, distributed generation, net metering, transmission and generation market dynamics. The Electricity Journal aims to bring together the most thoughtful and influential thinkers globally from across industry, practitioners, government, policymakers and academia. The Editorial Advisory Board is comprised of electric industry thought leaders who have served as regulators, consultants, litigators, and market advocates. Their collective experience helps ensure that the most relevant and thought-provoking issues are presented to our readers, and helps navigate the emerging shape and design of the electricity/energy industry.
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