刘先正;王兴成;温家良;郭高朋;李金元;

• 1:大连海事大学信息科学技术学院
• 2:国网智能电网研究院

摘要(Abstract)：

为适应直流电网智能、高效、经济运行的要求,实现各换流站间的协调控制,基于六端直流电网物理仿真平台,将多端直流输电系统视为一个多输入、多输出、多控制目标的系统整体进行了数学建模。提出了适用于多节点、系统级仿真的换流器简化模型,分别讨论了各端电源、负载模型的简化方法,利用键图方法对六端树状直流电网进行了等效建模,并提取出其状态空间方程。最后根据电力系统的常规运行要求对直流电网的具体控制目标进行了数学提炼,写出控制问题的约束条件和指标函数,为进一步设计、优化协调控制器提供了基础。

关键词(KeyWords)： 直流电网;多端直流输电;键图法;新能源电力系统

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划项目(973项目)(2012CB215204)~~

作者(Author): 刘先正;王兴成;温家良;郭高朋;李金元;

Email:

DOI: 10.13335/j.1000-3673.pst.2015.06.022

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