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电网技术  2012 

基于自动微分技术的VSC-HVDC内点法最优潮流

, PP. 184-189

Keywords: 最优潮流,电压源换流器–高压直流输电,原对偶内点法,自动微分技术

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Abstract:

根据电压源换流器–高压直流输电(voltagesourceconverter-highvoltagedirectcurrent,VSC-HVDC)的稳态潮流模型,结合自动微分(automaticdifferentiation,AD)技术,提出一种基于原对偶内点法的交直流系统最优潮流算法。该算法利用高效的基于操作符重载的AD工具生成雅可比(Jacobian)矩阵和海森(Hessian)矩阵,减少了微分表达式推导和代码编写的工作量,提高了程序的开发效率。多个算例的仿真结果表明,该算法保持了传统原对偶内点法在解决含VSC-HVDC的交直流最优潮流问题上的高效性,且对VSC的不同控制方式组合均具有良好的适应性。

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