不对称暂态稳定计算新方法  

A NEW METHOD OF TRANSIENT STABILITY COMPUTATION WITH ASYMMETRICAL PARAMETERS

作　　者：白雪峰[1] 余志文[1] 郭志忠[1] 姜彤[1] 

机构地区：[1]哈尔滨工业大学电气工程及自动化学院,黑龙江省哈尔滨市150001

出　　处：《电力系统自动化》2002年第22期27-30,共4页Automation of Electric Power Systems

摘　　要：在相分量法不对称故障分析的基础上提出了一种新的不对称暂态稳定计算方法。该方法在相分量坐标下处理故障和不对称元件 ,然后转换到对称分量坐标中 ,通过矩阵运算将零序、负序与正序解耦 ,形成暂态稳定计算用导纳矩阵 ,最后利用该导纳阵进行暂态稳定计算。该方法避开了复杂的复合序网形成过程 ,同时还可以在参数不对称的情况下进行暂态稳定计算 ,既具有对称分量法的计算效率 ,又继承了相分量法的模型适应性。计算结果表明 ,该方法计算结果准确 ,符合计算精度要求。Based on the fault analysis by phase components method, a new method of transient stability computation is proposed in this paper. The method deals the faults and asymmetrical components under the phase coordinate firstly to convert it to the symmetrical components coordinates. Sequenced components are decomposed through matrices calculation. The matrix used in transient stability analysis can be formed by this way. This method avoids the complicated traditional sequence network connection, and also can be used to analyze the asymmetrical parameter elements in transient stability analysis. Calculating results show that the method is practical and suitable for programming.

关 键 词：电力系统 数学模型 暂态稳定计算 不对称 对称分量 相分量 输电线路 

分 类 号：TM712[电气工程—电力系统及自动化] TM744