| 1. | Branch current analysis
支路电流法 |
| 2. | Also , a calculation model for instantaneous branch current is proposed , and is verified by examples . che lizhi ( power system and its automation ) directed by prof
提出了计算电力系统任意时刻分支短路电流的计算模型，并通过实例验证了算法的正确性。 |
| 3. | Kirchhoff ' s current law is applied to describe the relationship of branch currents that flow into or out a same node and it reveals the essential law of conservation of electric charges
基尔霍夫电流定律用来描述流入或流出同一个节点支路电流的关系；它揭示了电荷守恒定律的本质。 |
| 4. | Basic principle of the simplification is detailed . feed lines with branches is also discussed . the proposed approch is verified by branch current based power flow calculation
论述了简化分析的基本原理，并采用支路电流法验证了该方法的可行性，还讨沦了带有支线的馈线的处理问题。 |
| 5. | In a circuit system , the elements , that have a same current exactly , compose a basic branch , and the current flowing through the elements , is called a basic branch current and is simply called a branch current
在电路系统中，流过相同电流的各元件组成一条基本支路，流过这些元件的电流称为基本支路电流，简称支路电流。 |
| 6. | This paper deeply analyses the power flow mothod of a distribution network , and chooses the branch - current method which has a high computation speed and good convergent based on the fact situation of the optimization problem . also , the mechanism prove on convergence of branch current is presented
本文对配网潮流方法进行了较系统深入的理论分析，并根据优化问题实际，选择确定了收敛性好、计算速度快的支路电流计算方法，并给出其收敛性机理证明。 |
| 7. | For this reason , the general algorithm on fault calculation is researched in protection relay setting , and fast calculation on branch current is put forward for the first time in this paper . so the complete and quick fault analysis is provided for protection setting
为了满足工程实际需求，本文作者积极探索了面向继电保护整定计算的通用故障分析算法，首次提出了适用于任意故障类型的支路电流的快速算法，为保护定值的整定计算提供了完备而快速的故障分析方法。 |
| 8. | This paper discusses and analyses several principal points affecting the performance of regular distance protection , such as the fault resistance , the branch current , the zero sequence mutual coupling and so on . then some concrete application of adaptive concept to distance protection will be analyzed and studied
本文对于影响常规距离保护性能的一些主要因素如过渡电阻、分支电流和零序互感等进行了分析和讨论，在此基础上对于自适应思想在距离保护上的一些具体应用进行了分析和研究。 |
| 9. | A new viewpoint to observe the relation of bus voltage , bus current injection and branch current of the network considering branch mutual inductance has been provided in this paper . the process of building the z - matrix of a large - scale power network is set forth in particular in this paper . and the method is employed in the fault computation system successfully
本文为了从算法上提高故障计算的速度，在完全计及支路互感的前提下，利用节点注入电流与支路电流以及支路电流与节点电压的关系，提出了一种能够统一处理互感和无互感线路、快速形成大规模电网节点阻抗矩阵的新方法。 |
| 10. | But due to the existence of the fault resistance , the branch current , the zero sequence mutual coupling and so on , the apparent impedances and protection scope of distance protection will change , thereby affecting the performance of distance protection and the safety operation of power system
然而，由于过渡电阻、分支电流和零序互感等因素的影响，会改变距离保护测量阻抗的大小，造成距离保护动作范围的扩大与缩小，从而影响距离保护的性能，威胁电力系统的安全运行。 |
