Multi-scene Optimization Analysis for Integrated Energy System Based on Interior Point Method

2022 4th International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2022-12-01 DOI:10.1109/CEECT55960.2022.10030690

Guoshan Teng, Zhiming Li, Y. Zhong

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Abstract

A multi-scene optimization analysis method for integrated energy system based on interior point method is provided. Firstly, the energy proportion distribution is analyzed of energy coupling link as the core based on concept of energy hub, and the mathematical model of electric power, thermal, natural gas and cold energy subsystem in integrated energy system are established. Then, the multi-scenario operation mode that considers efficiency maximization, emission minimizing, cost minimizing and optimal multi-objective comprehensive performance index is proposed. The steady-state optimization analysis model under different load structure, multi-period and multi-scene operation mode is established. Finally, steady-state optimization analysis model is solved by the primal-dual interior point method, and the overall and time-based performance indicators of integrated energy system is comprehensive analyzed. Example analysis verifies the effectiveness of the proposed method for steady-state calculation and optimized operation analysis of integrated energy system.

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基于内点法的综合能源系统多场景优化分析

提出了一种基于内点法的综合能源系统多场景优化分析方法。首先，基于能量枢纽的概念，分析了以能量耦合环节为核心的能量比例分布，建立了综合能源系统中电力、热能、天然气和冷能子系统的数学模型;然后，提出了考虑效率最大化、排放最小化、成本最小化和多目标综合性能指标最优的多场景运行模式。建立了不同负荷结构、多时段、多场景运行模式下的稳态优化分析模型。最后，采用原对偶内点法求解稳态优化分析模型，对综合能源系统的整体性能指标和基于时间的性能指标进行了综合分析。算例分析验证了该方法对综合能源系统稳态计算和优化运行分析的有效性。

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2022 4th International Conference on Electrical Engineering and Control Technologies (CEECT)

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