考虑光伏和储能电池控制策略的交直流配电网络故障特征描述

Yubo Yuan, Juan Li, Pengpeng Lyu, Zhonghao Qian, Yunlong Jiang, Jiaming Wang
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引用次数: 0

摘要

针对现有交直流配电网中分布式发电比例较高的故障分析方案失效的问题,本文提出了一种考虑分布式发电控制策略影响的交直流配电网故障特征分析方法。首先,建立与分布式发电相连的交直流配电网络的暂态模型。然后,分析交直流配电网络在电容器放电阶段、电感更新阶段和稳态阶段等不同阶段的故障特性。最后,使用 PSCAD/EMTDC 进行了详细的仿真分析,通过仿真曲线与计算曲线之间出色的近似性能验证了所开发方案的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fault Characterization for AC/DC Distribution Networks Considering the Control Strategy of Photovoltaic and Energy Storage Battery
In order to cope with the failure of existing fault analysis schemes for AC/DC distribution networks with a high proportion of distributed generations, this paper proposes a fault characteristic analysis method for AC/DC distribution networks that considers the influence of distributed generation control strategies. Firstly, a transient model for the AC/DC distribution network connected to distributed generations is built. Then, the fault characteristics of the AC/DC distribution network in different stages, such as the capacitor discharge stage, inductive renewal stage, and steady state stage, is analyzed. Finally, detailed simulation analysis is conducted using PSCAD/EMTDC to validate the effectiveness of the developed scheme by the superior approximation performance between simulated curves and calculated curves.
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