| 1. | The back / forward sweep method is the most popular algorithm for loaf flow solution of radial distribution systems
摘要前推回推法是放射形配网潮流计算最基本的算法。 |
| 2. | Tests on a practical radial distribution system have shown that , the proposed method is as robust as , but more efficient than the back / forward sweep method
文中以一个实际的中等规模配电系统为例，分析、比较前推回推法、导出的近似牛顿法、经典牛顿法等的收敛性和计算速度，证实上述研究结论。 |
| 3. | Joined - wing configuration features diamond - shapes in both the plan and front views . the front wing is aft swept with positive - dihedral angle and the rear wing is forward swept with negative dihedral angle
联结翼飞机是指带上反角的后掠前翼和带下反角的前掠后翼联结成菱形框架结构的飞机。 |
| 4. | In chapter three , a back / forward sweeps based on branch loss for power flow is presents , which is credited with simple program , good numerical value stability , small ems memory and rapid calculation
第三章介绍了基于支路网损的配电网前推回推潮流算法，该算法编程简单，数值稳定性好，占用内存小，计算速度快，并且收敛性和收敛速度均优于牛顿法。 |
| 5. | 2 ) present the overall and local dynamic connectivity analysis method to fit with the network topology . 3 ) analyze the feature of distribution network , introduce some power flow calculation methods , select a back / forward sweep method and realize it
（ 3 ）分析了配电网的特点，介绍了几种常用的配电网的潮流，结合故障恢复的需要，采用了前推/回推算法，编程实现了该算法。 |
| 6. | The three - phase distribution flow method on combining the back / forward sweep algorithm and circuit calculation is studied . as a result , the transform model from the apparent power of low voltage side to the current of high voltage side is built
研究了电路计算与配电网潮流计算的前推回代法相结合的(基于电路分析的)三相潮流计算方法，在该算法的基础上建立了配变低压侧的功率到高压侧的电流的转换模型。 |
| 7. | This paper presents a three - phase harmonic power flow algorithm using phase components and back - forward sweep method to solve the disconvergence when the three - phase transformer harmonic model was used . the example result presented the method was feasible and
本文针对在进行三相谐波潮流算法时因引入三相变压器谐波模型而可能导致计算结果不收敛问题，提出了谐波潮流计算的相分量法，其中引用了前推-回代法。 |
| 8. | The content including : ( 1 ) according to the radial structure and multilayer characteristic of distribution network , a novel layer - by - layer backward / forward sweep method id developed . the branch power / voltage loss of the same layer can be parallel computed without relabeling buses and branches , that greatly increases the speed of load flow calculation
其主要内容如下： ( 1 )针对配电网络的树状结构和层次特性，研究了一种新颖的分层前推回代潮流算法，该算法不需要网络节点和支路的特殊编号，可以并行计算同一层次所有支路的功率损耗和电压损耗，从而大幅度提高了潮流的计算速度。 |
| 9. | This thesis further modified some algorithms , unified handling of weakly meshed distribution network and pv nodes in back / forward sweep method , the handling of weakly meshed distribution network in zbus method , the handling of pv nodes in modified newton zbus method . these improvements make this algorithm applicability improved greatly and accord with practical demand in distribution network analysis
本文还进一步对一些算法进行了改进，如前推回代法对弱环网和pv节点的统一处理， zbus法对弱环网的处理以及改进牛顿zbus法对pv节点的处理等，使得算法的通用性极大地得到提高，从而满足实际应用的需要。 |
| 10. | This thesis discusses some effective algorithms that appear recently in distribution power flow calculation at length , for instance , back / forward sweep method , zbus method , newton zbus method with modified method , loop - impendence equation method and so on . it gives basic calculation theories , calculation steps and some particular regarding issues of every algorithm , according to many examples validate the effect of algorithms and finally obtain the characters , rang of use , virtue and shortcoming of every algorithm
本论文详细讨论了近来出现的配电网络潮流计算的各种有效算法，如前推回代法、 zbus法、牛顿zbus法及其改进、回路阻抗法等，给出了各种算法的计算基本原理，步骤以及应该注意的问题，并通过大量的算例进行验证，从而通过比较得出各种算法的特性、应用场合和优缺点。 |
