The paper mainly introduces a kind of stimulatior, It emphasizes on the mathematical mode! of three phase short circuit breakdown and its showing methods.
为此，简单介绍了一套较完整的仿真系统，其中主要介绍了发电机组三相短路后电压、电流数学建模过程及图形化显示方法。
The expression for short-circuit electrodynamic force of rectangular bus bars on the basis of the calculation of three-phase symmetry short-circuit current was fi.
本文首先根据系统发生三相对称短路时的短路电流，给出了三相矩形母线短路电动力的解析表达式。
Based on the detailed analysis of basic principle, the traditional three-phase short-circuit criterion of phase selection element based on sudden-change of phase current differential is improved.
在详细分析相电流差突变量选相基本原理的基础上，对传统相电流差突变量选相元件三相短路故障判据进行了改进。
This paper introduces a novel short circuit fault current limiter applicable to the three-phase ungrounded power systems.
介绍了一种适用于三相不接地系统的短路故障限流器。
The key points of the iec method for calculating the short circuit current and its heat effect of a three-phase current system are described and elucidated specifically by examples.
介绍iec三相交流系统短路电流计算方法的重点和短路电流热效应计算，并用例题介绍其具体使用情况。
Therefore, it is advisable to take the following method for grid three-phase short-circuit current calculation.
为此，建议采取以下的方法进行电网三相短路电流计算。
Copper busbar and busbar column should be able to sustain electric stress generated by electric current of three-phase symmetrical short-circuit of 50 kiloampere and above.
铜母线和母线支柱应能承受50千安及以上的三相对称短路电流所产生的电应力。
The presented control strategy is tested and verified by three-phase short circuit fault and the results show that this control strategy is effective and reliable.
同时，针对三相短路故障，用数字仿真对控制策略进行了验证，结果表明该控制策略是有效可靠的。
The three-phase short circuit currents of bulk electric power system are very high, and the high currents do harm to the working of the system.
针对三相短路电流产生的电动力进行分析，经过受力分析，瞬间较高的电动力对户外柱上真空断路器的影响很大。
Two Solutions to the model equivalent parameter estimation are proposed, one based on the three-phase short-circuit capacity, this method works with good computational speed, but accuracy is not high;
对该模型提出两种求解方法，一是基于三相短路容量思想的等值参数估计，计算速度快，但精度不高；
Two Solutions to the model equivalent parameter estimation are proposed, one based on the three-phase short-circuit capacity, this method works with good computational speed, but accuracy is not high;
对该模型提出两种求解方法，一是基于三相短路容量思想的等值参数估计，计算速度快，但精度不高；
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