| 1. | A model of magnetic suspension forces is built by using 2d field - circuit coupling and analytical methods
分别用二维场?路耦合法和解析法建立了磁悬浮力模型。 |
| 2. | The conventional only circuit model simulation method is out of effect , so the field - circuit mix simulation method is adopted
常规的纯电路模型仿真方法失效，而采用场路混合仿真的方法。 |
| 3. | The frame of designing the pmsm used in phev with field - circuit method an d the method of calculation for adjustment - speed performance of pmsm are given
给出了phev用pmsm场路结合的设计框图和pmsm调速性能的计算方法。 |
| 4. | ( 2 ) a new method for on - line forecast and analysis of the insulation safety of large generators is found by combining the topology construct of the electric network in power stations with the electromagnetic relationship inside large generators and using the field - circuit analysis theory
( 2 )运用场路综合分析理论，将厂站电气网络拓扑结构与大型发电机组内部电磁关系相结合，提出了一种用于大型发电机绝缘安全在线预测分析的新方法。 |
| 5. | Based on the investigation of analysis methods for the overvoltage striking on rotating electric machines and its research status at home and abroad , the safety forecast theory and the analysis method for the switching overvoltage of large power stations are firstly presented based on the field - circuit analysis , and the transient field distribution and the insulation condition in the stator winding insulator stricken by the switching overvoltage in large power stations are studied and analyzed on line
本文在分析和总结国内外关于旋转电机过电压分析方法及其研究现状的基础上，首次提出了基于场路结合的厂站操作过电压安全预测理论和分析方法。本文研究了大型电站中的操作过电压冲击波在发电机定子绕组绝缘介质中暂态电场的实时分布状态，在线分析发电机的绝缘工作状况，搜索发电机内部可能突发绝缘事故的区域，预测发电机内部可能发生绝缘事故的故障点，并重点研究了大型发电机绝缘安全在线预测分析方法和建立了大型发电机绝缘安全评估模型。 |
| 6. | Therefore , the main contents and the creative results of this paper are described as follows : ( 1 ) the on - line safety forecast theory for switching overvoltage of large power stations based on the field - circuit analysis is presented by analyzing the electromagnetic transient for electric network of large power stations
针对该研究课题，本文的主要内容及创新性成果如下： ( 1 )通过对大型电站电气网络电磁暂态过程的分析研究，提出了一种基于场路综合分析的厂站操作过电压在线安全预测理论。 |
| 7. | ( 4 ) the transient field - circuit model of large generator and the network model of power station are all studied . moreover , the coupling finite - element model with fast computational speed and high accuracy is found , which is very suitable for the on - line insulation safety forecast diagnosis of large generators . ( 5 ) the
( 5 )结合场路综合模型的分析计算，建立了大型发电机绝缘安全的评估模型，并对在厂站操作过电压冲击下的大型发电机绝缘安全的在线评估方法进行了研究。 |
