线性能量系统模型中温度和能量的同时优化
Simultaneous optimisation of temperature and energy in linear energy system models
摘要：
线性规划被用作优化能源供应系统中的机组投入或功率流的标准工具。然而，对于供热系统，它面临着一个相关的限制：对它们来说，能量产量取决于输出温度，因此这两个量必须同时优化，由此产生的问题是二次的。作为一个解决方案，我们描述了一种方法与离散的温度水平。本文介绍了各种技术的数学模型，并显示其潜力的案例研究集中在集成住宅供热和供电。结果表明，该技术产生合理的结果，包括操作温度的选择。
英文摘要：
Linear programming is used as a standard tool for optimising unit commitment or power flows in energy supply systems. For heat supply systems, however, it faces a relevant limitation: For them, energy yield depends on the output temperature, thus both quantities would have to be optimised simultaneously and the resulting problem is quadratic. As a solution, we describe a method working with discrete temperature levels. This paper presents mathematical models of various technologies and displays their potential in a case study focused on integrated residential heat and electricity supply. It is shown that the technique yields reasonable results including the choice of operational temperatures.
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