This paper presents a novel webtool, called Energy Hub Design Optimization tool, for designing and optimizing complex multi-energy systems. The tool determines the optimal technology selection and sizing of all energy conversion units of a supply system while satisfying heat, cold, electricity, and hydrogen demands. A large variety of different technologies including renewable energies (wind power, photovoltaic, solar thermal, and hydroelectricity) and energy carriers like natural gas, hydrogen, biomass, and waste can be considered. Energy demands are provided by the user with an hourly resolution and all technical and economic model parameters can be tailored to specific use cases. The objective functions of the design optimization are total annualized costs, CO₂ emissions, or trade-offs between both objectives (multi-objective optimization). The calculation is based on mathematical optimization and uses a mixed-integer linear program. The webtool is accessible online for free and the optimization model is open-source. The webtool has been developed to support academic teaching in energy engineering courses. With the tool, students understand how energy supply systems with intermittent renewable energies and cross-sectoral conversion and storage technologies can be designed with innovative planning approaches.

中文翻译：

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EHDO：一个免费的开源网络工具，用于基于 MILP 设计和优化多能源系统

本文介绍了一种新的网络工具，称为能源中心设计优化工具，用于设计和优化复杂的多能源系统。该工具在满足热、冷、电和氢需求的同时，确定供应系统所有能量转换单元的最佳技术选择和尺寸。可以考虑多种不同的技术，包括可再生能源（风能、光伏、太阳能热和水电）和能源载体，如天然气、氢、生物质和废物。用户以每小时的分辨率提供能源需求，所有技术和经济模型参数都可以针对特定用例进行定制。设计优化的目标函数是年化总成本，CO ₂排放或两个目标之间的权衡（多目标优化）。该计算基于数学优化并使用混合整数线性程序。该网络工具可免费在线访问，优化模型是开源的。该网络工具旨在支持能源工程课程的学术教学。通过该工具，学生可以了解如何使用创新的规划方法设计具有间歇性可再生能源和跨部门转换和存储技术的能源供应系统。