| 1. | Research on application of safety prediction in marginal investment
安全预测在边际投资中应用的研究 |
| 2. | Study on civil aviation safety forecasting method based on bp neural network
神经网络的民航安全预测方法研究 |
| 3. | Dynamic safety prediction method for the neural network based on matlab and its application
的神经网络动态安全预测方法与应用 |
| 4. | It was for this reason that the mine safety predicting model of time sequence based on neural network was established
应用神经网络建立了时间序列的矿井安全性预测模型，克服了传统预测方法必须事先构造函数的不足之处，提高了安全预测的精度。 |
| 5. | Moreover , in order that large generators are protected to work safely , the useful technique of safety forecast and real - time monitoring for the switching overvolatge is also approached and studied so that the preventive protection and maintenance can be supplied to the large generators
本文还研究了大型电站中操作过电压冲击下的发电机安全预测与实时监测技术，预测发电机定子绝缘安全状态，以便对大型发电机进行预防性保护与预知性维护。 |
| 6. | Therefore , in order to protect large generating equipment against the switching overvoltage , the research on safety forecast theory and real - time monitoring technique for the surge overvoltage of large power stations has not only importance and benefit to safety operation of generators , but also has the great importance for the engineering of transferring electricity from the west to the east in china and the safety operation of large electric power network with great capacity and long - distance transmission line
因此，针对厂站操作过电压对大型发电设备的冲击问题，重点开展厂站操作过电压的安全预测理论与实时监测技术的研究，不仅直接对大机组安全运行有着重要的现实意义，而且对目前我国西电东送工程的实现和确保大容量远距离输电电网的安全稳定运行都具有十分重要的意义。 |
| 7. | 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。 |
| 8. | 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。 |
