And then a ship generator excitation compound control method with rough neural network inverse system feed forward compensation was presented, and the stability and reliability of compound system was analyzed.
利用粗糙集数据智能分析与决策规则自动提取的优点以及神经网络良好的泛化能力，提出了粗糙-神经网络逆模型的具体实现方法；在证明五阶同步发电机模型可逆的基础上，研究了船舶同步发电机的粗糙-神经网络逆模型，提出了基于粗糙-神经网络逆模型前馈补偿的船舶发电机励磁复合控制方法，并对复合控制的稳定性和可靠性进行了分析。
By this simulation method, dynamic processes of powerformer and conventional generator under loss of excitation are comparatively studied.
利用该仿真方法，对能量变换器和传统发电机的失磁动态过程进行对比研究。
For synchronous generator, loss of excitation is a serious fault and the corresponding protection often refuse to operate.
发电机失磁故障是一种严重的故障形式，失磁保护也是发电机保护的重点和难点。
F input generator transformer protection and excitation system.
f投入发电机变压器保护及励磁系统。
This paper introduces an excitation control system of synchronous generator by using TMS320F2812 as the control center.
本文介绍了一种以 TMS320F2812为控制核心的同步发电机励磁控制系统。
Based on fractal theory and phase space reconstruction arithmetic, the generator vibration correlation dimension is analyzed when the generator is in normal condition, rotor excitation winding short circuit and stator winding fault condition.
运用分形理论的相空间重构算法，分析了发电机在正常运行、转子励磁绕组短路和定子绕组故障3种状态时定转子振动信号的关联维数。
To constitute the synchronous rectifier rotating motor starter/generator system, the excitation problem during start process should be solved.
要构成基于旋转整流器式同步电机的起动/发电系统，必须解决起动过程的励磁问题。
Excitation protection is complex problem because excitation fault relates to the large-disturbance stability of generator.
励磁故障涉及发电机的大干扰稳定性，因而使励磁故障保护成为一个复杂并难于解决的问题。
Organization: School of Electrical Engineering and Automation, Harbin Institute of TechnologyAbstract: Output voltage of a hybrid excitation generator can be regulated by regulating current of the excitation winding.
摘 要：混合励磁发电机（hybrid excitation generator，HEG）可以通过调节励磁绕组的电流来调节发电机的输出电压。
Excitation control of synchronous generator is one of the most economic and effective control measures in power systems.
同步发电机励磁控制是电力系统最经济和有效的控制手段之一，是一个非常活跃的研究领域。
Synchronous generator excitation control plays a very important role in the operation of power system.
在电力系统的运行中，同步发电机的励磁控制对整个系统起着重要的作用。
Excitation system faults are main causes of generator electrical emergency.
励磁系统故障仍是发电机组电气故障的主要原因。
The excitation system of synchronous generator was the important element of control system of synchronous generator. Its primary mission was to control the constant of generator terminal voltage by regulating the direct current of generator exciting winding and made it maintain a constant level.
同步发电机励磁系统是同步发电机控制系统的重要组成部分，其主要任务是通过调节发电机励磁绕组的电流来控制发电机的端电压，并使其维持在一个恒定的水平上。
If the line delivers too much charging current, the generator field excitation will become very low- which reduces the stability limit and is unacceptable.
若线路传送的充电电流太大，发电机的励磁磁场就非常弱，这将降低稳定性限度，因而是不能接受的。
Rotary converter system consists of DC motor for drag alternator inverter from the generator to the required speed of DC motor power supply, adjust the generator excitation current can change its output voltage, thereby regulating the motor speed.
旋转变流系统由交流发电机拖动直流电动机实现变流，由发电机给需要调速的直流电动机供电，调节发电机的励磁电流即可改变其输出电压，从而调节电动机的转速。
In view of the operating method and load performance of remote control, the two exciting methods, pulse-excitation and press-excitation, were utilized to impulse a piezoelectric cantilever generator to generate electrical energy.
针对遥控器的操作方法和负载特性，采用脉冲激励和按压激励压电振子的实施方案，研究了压电振子在两种激励方式下对恒流负载的供电特性。
Field loss protection of generator has to operate after field regulator low excitation limit, to prevent maloperation of field loss protection the setting match between field loss and low excitation limit should conform with this requirement that related protocol states.
发电机的失磁保护必须在励磁调节器的低励限制之后动作，为防止失磁保护误动作，相关规程均明确要求失磁保护和低励限制的整定必须满足此配合条件。
Result and analysis of on-site test for a digital optimum excitation controller of a 114MW hydro-turbine generator.
方思立，谭有信。114MW水轮发电机数字式最优励磁控制器的试验分析。
The module has been designed to combine a maximum of 16 generators and 16 mains supplies up to a maximum of 20 in one system, e. g. 16 generators and 4 mains supplies (DSE5560 required to synchronise with the mains) The module has the ability to monitor under/over generator volts, over current, under/over generator frequency, under speed, over speed, charge fail, emergency stop, low oil pressure, high engine temperature, fail to start, low/high DC battery volts, fail to stop, generator short circuit protection, reverse power, generator phase rotation error, earth fault protection, loss of speed signal, fail to open, fail to close, out of sync and MPU open circuit failure, negative phase sequence and loss of excitation.
该模块的设计结合起来的和最多16台发电机和16个水管供应最多为20个在一个系统中，例如：16台发电机和4水管用品（ DSE5560需要同步的水管）模块有能力监督下/超过发电机电压，过电流，根据/超过发电机频率下，速度，比速度，充电失败，紧急停止，低油价的压力，发动机温度高，无法启动，低/高。
Low potential is one of the most important characters while the generator is in loss of excitation process.
水轮发电机失磁后，进入静稳边界的时间很短，且不允许发电机在异步状态下运行，必须直接动作于跳闸，因此，尽早正确地检测出失磁故障，就显得意义重大。