提出了采用三值梯形波励磁方式的电磁流量计设计。
Electromagnetic flowmeter adopting three-value trapezoidal waveform exciting mode is proposed in this paper.
从中可以看出绕组极数选取方案决定悬浮力绕组的电能传递方向及它的励磁方式。
From the relations, it is concluded that pole-number selection of windings not only determines direction of electrical energy transfer for levitation force winding, but also does its excitation modes.
主要介绍了核电站百万千瓦级，不同无刷励磁方式下汽轮发电机组转子温度的测量方法。
The measuring methods of generators' rotor according to different brushless excitation types in nuclear power plants of 1 000 MW are introduced.
本文详细阐述了这一励磁方式的优点和缺点，讨论了自并励励磁系统设计中主回路、起磁回路、灭磁回路的有关问题。
This thesis sets forth the merit and flaw of excitation system and other concerned problems of main loop, magnetizing field loop and de-excitation loop in detail.
本文论述了励磁控制系统应满足发电机各种运行方式的要求，如负载运行、空载运行、系统故障等不同情况。
The performances of excitation control system must fit all the different operation conditions of generator, such as no load operation, loading, load rejection and different kinds of faults.
根据电力系统特征分析法，分析了系统励磁运行方式变化对多机系统阻尼的影响。
According to the Eigen-analysis on power system, this paper studies the influence of different exciting operation modes on the damping of multi-machine system.
本论文是基于“三峡机电设备”课题的子课题“励磁系统控制方式的研究”。
The main subject of this dissertation is the research on the control mode of excitation system, which is a subsection of Sanxia Electromechanical Equipment Research.
在“欠励磁”方式下，调相机在电气上作用就像是系统中的一个电感器。
In the "underexcited" mode, the condenser acts electrically like an inductor on the system.
实验结果表明，非线性励磁控制较其它几种控制方式具有明显的优越性。
The experimental results indicate that the nonlinear excitation control approach has obvious advantages over the other three control ones.
在此基础上，提出基于综合隶属度的三取二原则方式来识别涌流，提高了变压器差动保护励磁涌流闭锁的可靠性。
Using the two-out-of-three principle which is based on the integrated membership grade, this new algorithm improves the reliability of transformer protection in blocking inrush current.
随着电力系统的日益复杂，传统的水轮发电机励磁控制方式已不能满足其控制要求。
Owing to the increasing complexity of power systems, the traditional control theories of excitation controllers of turbine generators can not satisfy the requirement of control.
仿真表明，与固定点线性最优励磁控制方式相比，非线性励磁控制方式具有更好的稳定性和动态品质。
Simulation results show that the nonlinear excitation controller law has better stability and dynamic performance than the linear optimum excitation controller law.
简述了钢丝绳无损检测的几种磁化方式，介绍了磁桥路检测法的原理，并结合理论计算和试验得出了钢丝绳截面积变化检测励磁器的结构尺寸。
Summarizes several magnetization methods of detecting steel wires, introduces the theory of magnetic bridge, and gains the structure size of the excitation device through calculating and experiment.
本文经理论分析提出“系统中产生负阻尼的原因是不适当的励磁控制方式”的结论。
This paper analyzed the effects of several excitation controllers, and found that the unsuitable controller can cause a low frequency oscillation on power system.
而最优励磁控制是当前研究最多的励磁控制方式，已在部分电站应用，但需要在实践中进一步完善。
The linear optimal excitation controller?(LOEC) is mostly studied in excitation systems, and has been used in some plants, but it needs to be more improved in practice.
控制方式具有恒机端电压励磁调节、恒励磁电流调节、恒功率因数励磁三种。
The control way of system has 3-patterns: exciting regulator of constant terminal voltage, constant exciting current regulator and exciting regulator of constant power factor.
MLZ系列化模块化励磁装置-利用引进abb公司技术开发的适合于大、中、小型各种不同类型盛磁方式的发电机组。
MLZ module excitation device series. It is developed by introducing ABB technology and is applicable to big, medium-sized and small power sets characterized by different modes of excitation.
介绍了变压器用管形无励磁分接开关定触头的排列方式及管形开关的优化设计。
The arrangement off-load method of fix contact in pipe-type tap-changer is introduced. The optimum design of pipe-type off-load tap-changer of transformer is presented.
介绍了变压器用管形无励磁分接开关定触头的排列方式及管形开关的优化设计。
The arrangement off-load method of fix contact in pipe-type tap-changer is introduced. The optimum design of pipe-type off-load tap-changer of transformer is presented.
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