励磁系统是同步电动机运行系统的重要组成部分,直接影响电机的运行特性。
Excitation system is an important part of synchronous motor running system, it affects the operating characteristics of motor directly.
并联开关并联开关是连接发电机组和应急母排的线路断路器,所有的单个发电机通过它完成同步运行。
Paralleling breaker a paralleling breaker is the circuit breaker that connects the generator set to the emergency bus, and across which all the individual generator synchronizing functions occur.
利用电流平衡处理技术,实现了双电机拖动的同步运行。
It is also used current balancing treatment technology to realize synchronism operation of twin motor drive.
研究了稀土永磁单相同步电动机的稳态运行时的相量图,对相量计算结果进行了分析,讨论了电机直轴电枢反应的性质问题。
This paper deals with the phasor diagram, the phasor analysis and the nature ofd-axis armature reactions of the steady-state running for single-phase PM synchronous motor.
对同步电机试验中的空载点和零功率负载点两个特殊工作点的运行情况进行分析。
This paper aims at the analysis of the operating modes at the two special working points:the no load point and the zero power loading point, during testing the synchronous electric machine.
直驱永磁同步风力发电机运行转速低,一般定子外径都比较大。
Direct-driven PMSG works at low speed and its size is generally big.
基于无轴承永磁同步电机的矢量控制系统,提出了采用扩展卡尔曼滤波器实现无速度传感器运行的控制策略。
Based on vector control system of Bearingless Permanent Magnet Synchronous Motor (BPMSM), a speed-sensorless control strategy using Extended Kalman Filter (EKF) was presented.
为了满足系统的要求,达到高稳定同步运行的目的,文中介绍在电机结构、驱动线路等方面所采取的措施。
In order to meet the systems requirements operation, the improved way of motor structure and driving circuits are introduced.
首先对低速永磁直线同步电机的异步稳态运行状态进行了分析,从理论上推导了异步稳态的电磁力的公式以及它对电机起动特性的影响。
At first, the asynchronous steady state of LPMLSM is analyzed, the formula of magnetic force under this state and the influences on motor starting is deduced in theory.
在此基础上举出一个稳定的异步电机同步化运行实例。
On this basis one of the actual examples has been demonstrated of comparably stable synchronization of induction motors.
本文介绍了带有源负载时,小型三相同步中频发电机的设计和并联运行时抗干扰方面的一些经验。
The paper introduces some experience in anti-interference for design and parallel operation of small intermediate frequency three-phase synchronous generator with active load.
由于变极同步电机气隙磁场中将存在较大的谐波,这些磁场谐波对电机运行性能将产生一些影响。
In the gap magnetic field of pole changing synchronous machine, there would be large harmonics, which have some effects on the operating performance of the machine.
龙门式结构,Y轴采用同步双电机双驱动,X、Y、Z三轴采用圆导轨(可选配方型直线导轨),传动平稳,运行。
Gantry structures, Y axis use simultaneous dual motor and drive, X, Y, Z axis with circular rail (formula type linear guide can be chose), steady transmission, high precision.
励磁系统性能的好坏和运行的可靠性,直接影响同步发电机系统的供电质量及其运行的可靠性和稳定性。
The power supply quality and operating reliability and stability of synchronous generator system are influenced directly by performance and operating reliability of excitation system.
给出了系统稳态运行时等效同步发电机的相量图及稳态量的计算方法。
The phasor diagram of the equivalent synchronous generator and the method of performance calculations are presented for steady state operation.
在相复励旋硅式无刷同步励磁电机中,如果在正常运行过程中出现硅整流管开路或短路的故障,必将危及到发电机组的运行。
In the rotating-diode phase compound excitation Brushless synchronous machine, if one diode appears fault, such as opening or shorting during the normal operating, it will do harm to the generator.
提出了一种新型的盘式永磁同步发电机,对其运行原理和电磁设计进行了分析和推导。
This paper presented a new disk-type PM synchronous generator, and analysed its principle and electromagnetism design.
在相同扰动情况下,该方法能更好的使多电机以一定速度同步运行。
In the same disturb circumstance; the method could make synchronous performance of the motors better in certain speed.
励磁调节器是同步发电机励磁系统的重要组成部分,对同步发电机乃至电力系统的安全稳定运行有着重要影响。
The excitation Regulator, as a main part of excitation system in the synchronic generator, plays an important role in the safe and steady operation of generators and power systems.
对于以同步马达运行方式启动的大型燃气轮发电机或单轴机组的发电机,每2台或3台发电机装设2套互为备用的SFC装置。
For large gas-turbine generator or single-shaft units which is started with synchronized motors 2 sets of SFC devices with mutual stand-by should be provided for 2 or 3 generators.
将离散趋近律方法应用于电力系统,设计了并联运行同步发电机组有功分配的离散变结构控制器。
Applying the reaching law approach to power system, a controller for the distribution of active power of a parallel synchronous generators system is designed.
励磁系统是同步发电机组的重要组成部分,直接影响到发电机组的运行特性。
Synchronous generator excitation system is an important part, directly affect the operating characteristics of generating units.
准确地辨识同步电机参数,是研究分析电力系统运行和控制系统设计的前提。
It is the precondition for investigating power system running and controlling system design to determine the electromagnetic parameters of synchronous electric machine exactly.
通过算例证实了该数学模型的正确性,为同步发电机的不对称运行方式分析的理论研究和数值计算提供了一种新的方法。
The correctness of the mathematical models is proved by example, which provides a new method to analyze the conditions of non-symmetrical operation of synchronous machine.
同步发电机整流系统的运行实践表明,该类系统存在着运行稳定性问题。
To study on operation of synchronous generator rectifier systems may be unstable under certain conditions.
通过分析可知,大型同步电机采用变频调速装置,可降低机械磨损,提高设备的运行可靠性。
It tells that the large-scale synchronous machine using the frequency conversion speeder, might reduce the machinery wearing, enhances the equipment reliability.
通过对盘式无铁心永磁同步电动机结构的分析,总结此种电机运行中的特点,及其在控制中与普通永磁同步电动机的不同之处。
After the structure of the coreless disk PM synchronous motor is analyzed the running characteristics and control differences would be summed up.
针对高速高精芯片封装平台的交流永磁直线同步电机驱动系统,阐述直线电机运行的基本机理,并建立简洁实用的数学驱动模型。
Based on the ac permanent magnetic synchronous linear motor in IC packaging devices, the fundamental principle of linear motor is introduced and a simple but effective model is established.
针对高速高精芯片封装平台的交流永磁直线同步电机驱动系统,阐述直线电机运行的基本机理,并建立简洁实用的数学驱动模型。
Based on the ac permanent magnetic synchronous linear motor in IC packaging devices, the fundamental principle of linear motor is introduced and a simple but effective model is established.
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