励磁
- 名field excitation
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[field excitation] 采用并联电阻分流磁场线圈中的电流,或采用在磁场线圈上抽头的方法,改变电枢电流和磁场强度间的关系,以控制电动机车或柴油电动机车的串激电动机的速度
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电机的无功受励磁磁场控制,而电容器和电抗器常通过开关接通或断开来控制。
The machine vars are controlled by field excitation , and the capacitors and reactors can often be switched for connection or disconnection .
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利用DSP的PWM输出功能,在增加少量外围电路的基础上,可得到两相旋转变压器励磁信号,从而简化对变压器二次侧输出信号的处理。
By use of PWM output function of digital signal processor ( DSP ), the two-phase field excitation signals of resolver-to - digital converter transformer could be obtained with fewer peripheral circuits , so that the processing of output signals from the secondary side of the transformer is simplified .
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基于BP神经网络的同步发电机自适应励磁控制器的设计和仿真研究
The Design and Simulation of an Adaptive Excitation Controller Based on BP Network
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用PLC实现两台同步机及励磁电源的交叉控制
A Cross Selection And Control To Two Synchronous Motors And Exciters With PLC
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励磁调节器动态特性测试系统FACTS元件的动态特性分析
Test system for Dynamic Performance of Excitation Controller Dynamic Performance Analysis of FACTS Devices
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发电机励磁系统中可控整流电路CAI课件设计
CAI Demonstration for SCR Rectification Circuit of Excitation System of Generator
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一种新型多变量PID励磁调节器
A Newly Multivariable PID Excitation Controller
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同步发电机的非线性状态PI附加励磁控制
Design of additional excitation controller for synchronous generator with nonlinear state PI control
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单片机双CPU励磁控制器
Stimulating magnetic controller with double CPU of microcomputer
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本篇论文还着重论述了标准PID位置式和增量式PID控制算法数字化过程,并针对其在励磁调节规律中存在的弊端,进一步论述了不完全微分PID控制策略。
This paper also lay stress on discussing a digital process of standard position PID and increment PLO .
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采用实际变压器励磁涌流数据进行的分析和基于DSP保护装置的程序实验表明该判据是有效的,具有一定的实际价值。
The analysis of data of inrush current and the experiment based on DSP indicated the effect of criterion .
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PLC与PCC励磁调节器的研究与实现
Research on PLC and PCC excitation regulator and realization
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基于Prony与遗传算法优化的PID励磁附加控制器
Additional PID excitation control based on Prony and Genetic Algorithm
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非线性状态PI励磁控制器
A nonlinear state PI excitation controller
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使用VC++6.0开发的基于Windows操作系统的励磁系统调试软件,人机界面简洁友好,使用操作灵活方便。
The excitation debugging software based on Windows is developed in order to make the human interface friendly and to be used easily .
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结果表明:RBF神经网络可以正确地区分励磁涌流和短路电流。
The results showed that RBF NN can distinguish magnetizing inrush currents from internal fault currents correctly .
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1994年,由东北轻合金有限责任公司和吉林电专将这一系统改造为SCR励磁系统。
The system was revamped into SCR system by Northern Light Alloy Company Ltd .
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计算表明,系统中三相PT励磁特性不相同非常有利于谐振发生。
The results indicate that the difference of the three phases ′ excitation characteristics of PT makes the ferroresonance very easy to occur .
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TCSC与发电机励磁的分散线性最优协调控制
Decentralized Optimizing Coordinated Control of TCSC and Excitation of Turbo-generator Based on Linear Optimal Control Theory
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文中采用配有自动电压调节器(AVR)的发电机励磁与系统母线装设SVC的方法,SVC采用闭环控制,研究其对电压稳定和无功补偿的效果。
This paper studies the effect of SVC or AVR in improving system voltage stability and reactive compensation .
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本文较详细地分析了ND5内燃机车恒功率励磁控制系统的基本原理及其主要环节的功能。
The paper analyses in detail the basic principle of constant power excitation control system of ND_5 diesel locomotive along with tne , functions of major components .
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在励磁系统中加入电力系统稳定器(PSS),增加阻尼,有利于抑制低频振荡。
Power system stabilizer ( PSS ) are added to excitation systems to enhance the damping during low frequency oscillations .
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在硬件组成中,详细地介绍了DSP励磁调节器的硬件组成部分,其中有DSP外围电路的设计,数字电路和脉冲产生单元的设计。
In the hardware of system , it introduces the detailed hardware of DSP excitation regulator , including the design of DSP peripheral circuit , digital circuit and impulse unit circuit .
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研究结果表明,与其它控制方法相比,本文提出的基于余弦基函数RBF神经网络辨识的PID励磁控制方法有效提高了系统的控制效果。
From the simulation results can be seen , the based on cosine basis functions RBF neural network identify PID excitation control effect is better than the other way .
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欠励磁无功电流限制(URAL)。
Under excited reactive ampere limit ( URAL ) .
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在矢量控制算法中,转子励磁时间常数Tr和给定转子磁链ψr对异步电机的调速性能有着至关重要的影响。
Rotor time constant Tr and the rotor flux reference value ψ r have an important effect on the timing performance of asynchronous motor in vector control .
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针对电励磁双凸极无刷直流发电机非线性特性,研究了非线性PI励磁控制方法及设计方法,给出了一种易于工程实现的非线性PI励磁控制算法。
The nonlinear PI excitation control algorithm , with the nonlinear characteristics of the doubly salient electromagnetic brushless DC generator considered , is developed and design method given .
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针对双馈发电机转子能量双向流动的要求,提出并首次设计了具有能量双向流动能力的双PWM交流励磁用变频器;
Secondly , it has put forward and designed the dual PWM converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow .
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文中阐明了具有良好性能的调节器(包括PSS)的快速励磁系统,不采用低励限制器可以吸收更多的无功。
More reactive power can be absorbed , if without UEL for a generator with fast excitation system ( include PSS ) .
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充分说明以DSP为核心的数字式励磁调节器具有较快的动态响应速度,对斩控式励磁方式在同步发电机励磁控制系统的工程应用有一定的参考价值。
At the same time , digital excitation regulator based on DSP has been fully testified , which has faster dynamic response speed and useful for engineering application with chopping control excitation approach .