根据对称分量法，推导了两种软件计算零序电流的方法。
Two methods to calculate the zero sequence current are deduced based on the symmetrical component method.
对称分量法及其序网联接技术是电力系统故障处理的传统方法。
Symmetrical components method and its sequence network connection technique are conventional way on fault analysis of power system.
本文对电力系统分析计算中的对称分量法进行了评述，并与相坐标法进行比较。
The widely used symmetrical coordinates method for power system analysis is reviewed and com-pared with the direct phase coordinates method.
本文就高压输电线路故障，提出了一种基于实时对称分量法的故障测距新算法。
A new algorithm for fault location of HV transmission lines based on the real-time symmetric component method is proposed.
软件所采用的算法基于对称分量法，既适用于简单故障计算，又适用于复杂故障计算。
The algorithm bases on symmetrical components method, and it can calculate simple faults and complex faults.
同时根据对称分量法的基本原理，提出以等效电流作为电动机热积累计算的依据的算法。
And, the equivalent current algorithm for the electric motor heat accumulation is proposed based on the symmetrical component method.
对于全并联直接供电牵引网短路故障，采用两相对称分量法，分析电路特征，得到短路阻抗表达式。
For the direct power traction systems with full parallel connection, the characteristics of short-circuit impedance is analyzed with method of two symmetrical phases, and the expression is acquired.
采用基于叠加原理的短路电流计算方法，克服了传统的对称分量法应用于配电网短路电流计算时所遇到的困难。
Furthermore, the superposition theorem is then adopted in the approach, which overcomes the difficulties when applying the symmetrical components to the short circuit calculation.
针对电力系统中平行线路的跨线故障，提出一种融合对称分量法与相分量法的大规模电力系统跨线故障计算方法。
In this paper, a method of large scale power system transient Stability evaluation by system decomposition -aggregation and transient energy function method is presented.
使用矩阵运算代替对称分量法的传统序网故障变换，以实现不对称短路故障计算，并给出常见故障对应的参数矩阵。
Calculation formulas are proposed with matrices calculation to deal with unsymmetrical faults and parameter matrices for various faults are listed.
基于对称分量法，对电能表中性点虚接后的电压互感器二次压降进行了分析，得出了正确接线前后的计量误差变化量。
The on-site test results indicate that energy meter's neutral point virtual connection has a great effect on PT secondary voltage drop.
首先运用对称分量法将单相异步电动机分为正序系统和负序系统，然后分别用矩阵分析了这两个系统中各自的有功功率、无功功率和视在功率。
Using the method of symmetric components and matrix, this paper analyses instantaneous power and the operation parameters concerning one-phase asynchronous motor in dynamic state.
与传统的对称分量法及旋转磁场法不同，本文用等效电流法对电容运转形式的单相电机进行了性能计算，主要推导出了主、副相电流的计算公式。
Equivalent current method different from symmetrical component method and revolving field method, is used for performance calculation on capacitor single phase motors on this paper.
该方法首先运用对称分量法和线性叠加原理建立故障后的附加正序网络并且定义了故障点的匹配指标，进而基于该指标运用遍历搜索方法寻找故障点位置。
Based on symmetrical component method and linear superposition principle, the additional positive sequence network after fault is established and the matching index on fault point is defined.
首先利用主分量分析法和人脸重心确定人脸对称轴，再结合山谷法进行眼睛候选点的提取和验证。
The principle component analysis and face bray center are used to detect the symmetry axis, and the valley method is applied to detect and verify the eye candidates.
基于所建立的数学模型，采用多态相分量法处理纵向故障的方法来计算新型换流变压器的纵向不对称故障。
Based on the mathematical model, the polymorphic phase-coordinate method is adopted to calculate the longitudinal and asymmetric faults for new-type converter transformer.
基于对异相短路的分析，发现两相电流故障分量波形呈现反向对称性，可利用相关分析法快速提取此特征。
The waveforms of the current fault component of two phases are symmetrical according to an analysis of wrong-phase-coupling. This characteristic can be quickly extracted by correlation analysis.
基于对异相短路的分析，发现两相电流故障分量波形呈现反向对称性，可利用相关分析法快速提取此特征。
The waveforms of the current fault component of two phases are symmetrical according to an analysis of wrong-phase-coupling. This characteristic can be quickly extracted by correlation analysis.
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