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Voltage Control to Long Transmission Lines by Controllable Shunt Compensation
Author(s): 
Pages: 128-134
Year: Issue:  6
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  高压输电系统并联补偿电压控制静态电压特性斜率;
Abstract: 对于并补高压远距离输电线路的电压控制,设定边界条件、简化线路等值参数、静止无功补偿器(SVC)斜率、系统静态电压特性等,将导致较大计算误差.本文采用线路分布参数的准确等值模型,建立给定边界条件下长线路电压分布的直接解析算法,量化简化等值参数模型的计算误差.采用并联支路电纳为控制变量,建立包括SVC斜率和系统静态电压特性的SVC电压控制模型,计算不同电压扰动下的SVC电纳增量,以及并补控制后的节点电压和长线路潮流.
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