Optimal Planning of a Micro-energy System Considering Off-design Performance Part Two Optimization Model and Method

被引：0
|
作者：
Tian L. [1 ,2 ]
Cheng L. [1 ]
Li J. [2 ]
Guo J. [2 ]
机构：
[1] State Key Laboratory of Control and Simulation of Power System and Generation Equipments, Tsinghua University, Beijing
[2] China Electric Power Research Institute, Beijing
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2018年 / 42卷 / 20期
基金：
中国国家自然科学基金;
关键词：
Decomposition method; Micro-energy system; Off-design performance; Optimal planning;
D O I：
10.7500/AEPS20180207006
中图分类号：
学科分类号：
摘要：
A micro-energy system contains a variety of energy conversion and storage equipment. The energy consumption characteristics of energy conversion equipment usually strongly depends on the operation conditions. Based on the improved coupling model of micro energy system under different working conditions which describes characteristics of the system more accurately. Firstly, the optimal planning problem is modeled with an aim of system economy. Then, considering the uncertainties of renewable energy input, load and environmental factors, scenarios under variable off-design conditions are introduced. In order to reduce the complexity of the solution, the optimal problem is divided into master problem of equipment capacity configuration and primal problem of multistage power allocation by decomposition method. Finally, a micro-energy system which involves electricity, natural gas, and heat is configured under the proposed model and the linear model respectively. The result shows that the off-design conditions of the equipment has a significant effect on the system planning result, and it needs to be considered in the planning and design of the microgrid in order to achieve reasonable configuration and improve economic efficiency. © 2018 Automation of Electric Power Systems Press.
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页码：17 / 23
页数：6
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