首先，给出了复杂电力系统不对称故障的定义，以及传统的分析方法。
Firstly, the definition of complex electrical power system dissymmetric fault and traditional analyzing method is given.
在中性点不接地系统中，过电压也可能主要由某些类型的不对称故障所引起。
Overvoltages may also BE produced by certain types of asymmetrical fault mainly on systems with ungrounded neutrals.
研究了利用相分量计算电力系统不对称故障的方法，说明了该方法的实用价值。
The calculation for asymmetrical failures in electric power systems using phase components is studied with its applicability discussed.
单相断线和两相断线是三相电网中最常见的两种故障，占纵向不对称故障的绝大多数。
Single phase broken line and two-phase broken line are two faults easy too see in power system, which account more in all broken line fault.
电压暂降作为一种电能质量问题，由于不对称故障的存在，使处理不对称电压暂降变得复杂。
Voltage sag is a crucial power quality problem. Due to the unbalance fault present in occurrence of sags, it is more complicated to deal with the unbalanced voltage sag.
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.
建立了基于模分量大小和三相及零序电流大小的模糊数学模型，能快速准确的识别振荡中发生的不对称故障。
Establish the fuzzy set based on modulus component, three phases and residual current, which can distinguishing unbalance faults from power swing rapidly and reliably.
在谐振接地系统中，系统高压侧不对称故障及负荷的不对称会引起系统电源电势的不对称，从而改变中性点位移电压。
In resonant ground systems, both asymmetric fault of high-voltage side and asymmetry of load cause the asymmetry of system electrical source voltage. Then they change neutral displacement voltage.
风电变流器在国产化的过程中也必须要具有低电压穿越、不对称故障下运行的能力和动态无功、有功功率的调节能力。
The wind power converter must possess abilities of Low voltage Ride through (LVRT), available operation with unbalanced voltage fault and adjusting active as well as reactive power.
当交流系统发生三相不对称故障时，忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when unbalanced fault occurs in AC system.
结果表明了PWM-FCL不但可以快速有效地限制住短路电流，并且在系统发生三相不对称故障时，可以保证故障线路非故障相以及非故障线路的正常运行。
The obtained results show that the PWM-FCL can limit the fault current quickly, and the unfaulted phase(s) and unfaulted line(s) will keep stable operation state when an asymmetry fault occurs.
本程序应用多端口网络方程和故障端口边界方程联立求解的方法，计算电力系统各种多重故障及任意不对称运行的电压和电流。
In this program the voltage and current of simultaneous faults or unbalanced power system are calculated by solving the simultaneous equations of multi-port network and of the fault boundary.
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.
本文将井下供电网路多种故障归结为“电流不对称”现象，以其作为保护动作的反映源。
Paper sums up various faults occurring in underground power network as a phenomenon of current unsymmetry, by the display of which the protection is thereby activated.
该模型可以同时考虑定子绕组对地分布电容的影响，以及定子绕组内部接地故障带来的定子绕组结构上不对称的影响。
This multi loop model can better consider the influences of the distributed capacitance and the nonsymmetrical stator windings when stator ground fault occurs in interior of the stator windings.
针对歼击机操纵面结构故障，提出了一种基于自适应不对称高斯基函数网络(agbfn)的可靠跟踪控制方案。
A reliable flight tracking control scheme is developed for a fighter in the presence of control surface failures based on adaptive asymmetric Gaussian basis function network (AGBFN).
基于节点参数模型系统地研究了不对称输电网故障分析计算的参数保留法。
Based on network node parameter model, a method to calculate faults in unsymmetrical transmission systems is presented.
该判据可以对不对称的故障进行故障定位，这些故障包括单相接地故障、两相接地故障和两相短路故障。
The justifying conditions can be used to justify the location of faults, including single phase earthing, two phases earthing and two phases shorting.
通过分析低压隔爆电动机的主要故障类型，针对不对称性短路故障和断相故障提出了采用负序保护原理进行保护的方案。
Based on the analysis of main fault types of LV (Low Voltage) flameproof motor, the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault.
通过对三相异步电动机空载实验中遇见的故障——三相相间功率的极大不对称性进行分析。
Through analyzing the asymmetry about the power among three phase of the no-load experiments of the triphase asynchronous motor is designed.
揭示了过去人们试图把定子电流中故障特征量的大小作为电机转子断条根数多少的判据的局限性，提出了把断条引起电机的不对称性作为电机故障程度判据的新的理论。
Finally, a new theory is proposed, in which the asymmetry of the motor induced by broken bars is taken as the criterion for determination of the degree of motor faults.
以试验所用的故障模拟发电机为例，分别对发电机不对称运行和定子绕组匝间短路进行了故障特征计算。
The fault characteristics of stator winding inter-turn short -circuit and asymmetrical operation of generator are calculated for the fault simulation generator.
以试验所用的故障模拟发电机为例，分别对发电机不对称运行和定子绕组匝间短路进行了故障特征计算。
The fault characteristics of stator winding inter-turn short -circuit and asymmetrical operation of generator are calculated for the fault simulation generator.
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