短路的

First of all, we analogize out the calculation formula of short circuit current in the distribution systems with dispersed generations through basic circuit theory.

文中首先以电路分析原理推导出含有分散式电源之配电系统的各种短路故障电流计算公式，续由这些公式分析在甚麼情况下的短路电流会最大以及并联位置和产生之短路电流的关系如何，最后利用电脑程式模拟并验证推论结果的正确性。

In this paper the reason of rapid increase of single phase short circuit current in 500 kV substation is analyzed. Through the calculation it is proved that neutral grounding by small reactance is an effective measure to reduce the single phase short circuit current, and the calculation method of the zero\|sequence reactance after autotransformer neutral grounding by small reactance being applied is expounded.

文中研究了500kV变电站单相短路电流急剧增长的原因，计算了变压器中性点经小电抗接地对限制单相短路电流的作用，论证了经小电抗接地是限制单相短路电流的有效措施之一，并阐述了500kV自耦变压器中性点经小电抗接地后，其等值零序电抗的计算方法，可供工程参考。

A novel method of unit commitment scheme selection method is proposed based on fault current sensitivity and combination optimization. Using this method, calculation and verification of tremendous unit commitment schemes are avoided.

本文利用各机组对短路点短路电流的灵敏度和组合优化技术，实现了限制短路电流停机方案的快速选择，避免了对大量机组停机组合方式的逐一计算和校验。

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。

The influence of the linearization of rectifier external characteristic on the short-circuit current calculation is specially analyzed,because the exter.

给出了短路电流计算的数学模型，并利用可视化语言CVI完成了短路电流仿真计算；分析了整流机组外特性线性化对短路电流计算的影响。

According to the energy model in the paper, the behavior of liquid metal bridge in short circuiting transfer was studied by analyzing its menisci with three dimension Finite Element Method.

本文在深入分析短路过渡行为的基础上，提出了采用短路后回抽焊丝实时控制短路过渡过程的思想，并对此进行了深入研究。

Short-circuit current secretly schemes against , system hits the target to the transformer substation when three-phase short circuit happened in the lower voltage grade bus bar one by one, the difference what be flowed past short-circuit current has been carried out secretly schemes against

短路电流计算，对变电站系统中的各个电压等级下的母线发生三相短路时，所流过的短路电流进行了分别计算。

Another way to limit I〓 is using fault current limiters , which under normal operation have negligible influence on a power system, but in case of a fault will limit I〓 to several times of the normal current.

限制短路电流的另一方法是在电力系统中加入限流器，它在正常工作状态下对系统无影响，而当发生短路故障时，可以迅速将短路电流限制在额定值的几倍范围内。

In the recent years,supported by National Natural Science Foundation of China,the faculty in Zhejiang University have begun the research of solid states power switch and fault current limiting technology. They provide a novel solid states fault current limiting technology,which possesses flexible control mode. It is feasible to develop a well-performed fault current limiter.

近年来，浙江大学有关人员在国家自然科学基金的支持下，开展&固态功率开关及短路限流技术的研究&，提出了一种全新的固态短路限流技术，具有许多灵活的控制方式，完全有条件开发成一种性能优良的短路限流装置。

The IGBT shortcircuit protection circuit with perfect performance is designed and studied on the basis of the principle of collector emitter voltage desaturation dectection and the limitation of IGBT shortcircuit safe operating area.

根据集电极退饱和检测短路原理及IGBT的短路安全工作区限制，设计出具有较完善性能的IGBT短路保护电路。

No clear conclusions can be made about the predictie alidity of specific measures, they found, except for criteria for the underuse of drugs for cardioascular disease.

除了心血管病不合理用药标准外，对于特定评价方法的预测效度没有明确的结论。

The third and last is that almost all of them, being infinite in number, have been impostures, and by idle and crafty brains merely contrived and feigned after the event past.

第三、即最后一点是：几乎所有这些不胜枚举的预言都是欺人之谈，都是在事件过后由无聊而狡猾的脑筋推测与凭空捏造的。