A Method of Distribution Reconfiguration with Micro Grid Considering Dynamic Behavior of Thermal Loads

2018 International Conference on Smart Grid and Electrical Automation (ICSGEA) Pub Date : 2018-06-01 DOI:10.1109/ICSGEA.2018.00009

Hualei Wang, Hongwei Zhang, Lei Chen, Longlong Chen, Yuanyuan Zhao, B. Duan

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Abstract

With the development of distributed generation and micro grid, it has been demonstrated to be more reliable and economical that DGs are integrated into the traditional power grid based on micro grid. In this paper, a model suitable for the distribution reconfiguration containing micro grids is presented. To obtain a more realistic scheme on the reconfiguration, the impact of micro grid and dynamic behaviors of thermal loads on the distribution system reconfiguration are mainly concerned. Firstly, the model of distribution system with micro grid is presented. Based on the power supply capacity of micro grids, island partition strategies are proposed by depth-first search and breadth-first search. Secondly, the dynamic behaviors of thermal loads are modeled. Then a reconfiguration model of the distribution system with micro-grids and dynamic thermal loads is presented. Finally, IEEE 33-bus system is employed to validate the effectiveness of the presented method. The results improve that distribution integrated with MG is more reliable especially when a fault in feeder occurs.

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考虑热负荷动态特性的微电网配电重构方法

随着分布式发电和微网的发展，将分布式发电机组以微网为基础接入到传统电网中更加可靠和经济。本文提出了一个适用于含微电网的配电重构模型。为了获得更符合实际的重构方案，重点研究了微网和热负荷动态行为对配电系统重构的影响。首先，建立了具有微电网的配电系统模型。基于微电网的供电能力，提出了深度优先搜索和广度优先搜索的孤岛划分策略。其次，对热载荷的动态特性进行了建模。在此基础上，提出了考虑微电网和动态热负荷的配电系统重构模型。最后，采用IEEE 33总线系统验证了该方法的有效性。结果表明，在馈线出现故障的情况下，配网更可靠。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2018 International Conference on Smart Grid and Electrical Automation (ICSGEA)

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