特高压直流控制器参数优化与系统稳定性分析  

Parameter Optimization and System Stability Analysis of UHVDC Controller

作　　者：龚飞 卢东斌[1] 邹强[1] 张靖[1] GONG Fei;LU Dongbin;ZOU Qiang;ZHANG Jing(NR Electric Co.,Ltd.,Nanjing 211102,China)

机构地区：[1]南京南瑞继保电气有限公司,江苏南京211102

出　　处：《电工技术》2022年第2期75-78,80,共5页Electric Engineering

摘　　要：特高压直流输电由于具有输送距离远、输送容量大等优势而在国内外得到了广泛应用。在一个特高压直流工程的设计中,控制器参数的优化选取至关重要,其直接决定了系统的抗干扰性能及动态响应性能。传统的控制器选取方式一般采用经验试凑法,在系统参数发生较大变化时,会耗费大量时间重新调试参数。根据实际工程中遇到的参数调试问题,给出了一种能较精确反映直流输电控制系统的数学模型,根据此模型,运用根轨迹方法能快速判定出系统的稳定边界,并给出一种特高压直流输电系统实用的运用频率响应法设计控制器参数的方法。UHV DC transmission has been widely used at home and abroad because of its advantages such as long transmission distance and large transmission capacity.In the design of UHVDC project,the optimization of controller parameters is very important,which directly determines the anti-interference performance and dynamic response performance of the system.The traditional controller design method generally adopts the empirical trial method,which will take a lot of time to debug the parameters when the system parameters change greatly.Based on the parameter debugging problems encountered in the actual project,a mathematical model that can accurately describe the UHVDC transmission control system is given.Based on this model,the stable boundary of the system can be determined quickly by using the root locus method.Then a practical method of designing controller parameters for UHVDC using frequency response method is given.

关 键 词：特高压直流 控制器参数优化 稳定分析 频率响应 

分 类 号：TM721.1[电气工程—电力系统及自动化]