结论用变频扫描励磁方法进行裂纹定量检测可提高检测的可靠性。
Conclusion For the quantitative measurement of cracks. The reliability of inspection can be improved by using the way of changed frequency scan.
直流电机的突出优点是通过选择磁场绕组不同的励磁方法，可以获得变化范围很大的运行特性。
The outstanding advantages of DC machines arise from the wide variety of operating characteristics which can be obtained by selection of the method of excitation of the field windings.
采用多回路的分析方法，对建立在相坐标下的交流励磁发电机的动态性能进行了分析。
Using multi loop analysis method, the dynamic characteristics of ac excited generator are analyzed based on phase coordinate.
然后将方法1和方法2分别应用于该模型，得出两种多机系统励磁的非线性L_2增益干扰抑制控制律。
Method 1 and method 2 are applied to the constructed nonlinear model, and then two nonlinear L2 gain disturbance attenuation control laws for multi-machine excitation are deduced.
并给出一种利用励磁磁路饱和系数修正过饱和磁路励磁电抗的求取方法。
A method of extra saturation correction of the magnetic circuit by using saturation coefficient is given.
计算机仿真结果表明，采用模糊变结构附加励磁控制方法可以提高鲁棒性、解决高频抖动问题，并能够很好地改善电力系统的小干扰稳定性。
Computer simulation shows that the control of fuzzy variable structure can increase the robustness, solve the problem of shiver at high frequency, and improve the stability of small disturbance.
阐述了模型参考诊断方法在励磁系统功率单元的具体应用。
The application of the model based fault diagnosis to the power unit of an excitation control system is described.
这一方法也适用于其它分立元件的励磁调节装置。
针对UN5000励磁系统的硬件和软件特点，主要介绍了MODBUS串行通讯的参数选择﹑现场调试和投运方法。
Based on features of hardware and software of excitation system UN5000, parameters selection and commissioning method for MODBUS serial communication on site are analyzed.
电厂负荷和发电机控制系统的复杂性限制了精确解析方法在励磁涌流研究中的应用。
Because of the complexity of the load and the control systems, the quantitative analysis method is not suitable for the problem solving.
本论文首先对电力系统的各种扰动进行了概述，分析了国内外励磁控制的研究方法，提出本论文的研究目的及意义。
At first, the paper introduces the various disturbances in the power system, analyzes international exciter control research methods, presents purpose and meaning of this paper.
结合当前电力系统的实际需要，提出了稳定计算用励磁系统数学模型仿真建模及参数校核方法。
The simulation modeling method of excitation system for stability calculation and the check method of parameters are proposed based on the current need of power system.
本文介绍了在线情况下，改变PID参数的微机励磁调节器的设计方法，对开发新品种有一定的参考价价值。
Here is presented a method of designing the microcomputer controlled excitation adjuster with on-line change of PID parameters. It gives a good reference for developing new productions.
针对广域信号存在时延的问题，提出一种基于史密斯预估器的附加励磁控制器设计方法。
To solve this problem, based upon unified Smith predictor (USP), a novel method for the additional excitation controller designing is presented.
本文列举了KGLF11型励磁装置几例常见的故障现象，对其进行分析，并介绍了检修后的调试方法。
This illustrates several common troubles occurred in KGLF11 excitation device and describes the testing methods after its maintenance after analysis.
较系统地介绍了电力系统鲁棒励磁控制器的设计方法。
A method for designing robust exciting controller for power system is presented in this paper.
将迭代学习控制理论应用于励磁控制器的设计中，提出了一种新的设计方法，克服了迭代学习控制在有限时间区间上实现完全跟踪的限制。
Iterative learning control is applied to the design of excitation controller, and a new method is proposed. The restriction of perfect tracking in limited time span is removed.
分析了有源和无源谐波励磁的两种方法。
Active and reactive methods for generate harmonics for exciting were introduced.
本文提出一种新型非线性励磁控制器，设计方法适于工程应用。
A new kind of nonlinear excitation controller is proposed in this paper. The method is very useful for engineering applications.
提出了高起始响应励磁控制系统的数学模型和考核试验方法。
The mathematic model of excitation control system with high initial response and the method of assessment test are also introduced.
第六章研究了两种鉴别变压器励磁涌流的新方法。
In chapter six, two novel methods of distinguishing magnetizing inrush current have been studied.
提出了一种考虑信息结构约束时协调设计励磁控制器的新方法。
This paper proposes a new approach to coordinated design of excitation controller under information structure constraint.
本文介绍该实验台的功能、结构；论述其微机测控系统的软硬件设计方法，调速及励磁控制方法，以及其它关键技术。
This paper introduces the table's function and structure, details the soft-and hardware design methods, and presents the control way for generator speed and excitation regulation.
然后将方法1和方法2分别应用于该模型，得出两种单机系统励磁的非线性L_2增益干扰抑制控制律。
Method 1 and method 2 are applied to the constructed nonlinear model, and then two nonlinear L2 gain disturbance attenuation control laws for single-machine excitation are derived.
提出了一种在互联电力系统中考虑信息结构约束条件下协调设计非线性优化励磁控制的方法。
This paper proposes an approach to coordinated design of nonlinear optimal excitation control under information structure constraint in interconnected power systems.
目前已有多种识别励磁涌流的方法。
At present, there are some methods of identifying inrush current.
探讨了发变组保护与发电机励磁系统的一些相关问题，提出了这两个系统协调工作的方法。
This article discussed some relative problems between the generator-transformer protection and the excitation system, and provided the coordination methods of the tow system.
研究结果表明，该控制策略实现了励磁控制与汽门调节的动态解耦，应用该方法可显著提高电力系统的暂态稳定性。
The simulation result shows that the control strategy can realize the dynamic decoupling control of excitation and valve and so it can considerably increase the dynamic stability of power system.
研究结果表明，该控制策略实现了励磁控制与汽门调节的动态解耦，应用该方法可显著提高电力系统的暂态稳定性。
The simulation result shows that the control strategy can realize the dynamic decoupling control of excitation and valve and so it can considerably increase the dynamic stability of power system.
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