The influence of the machine parameters on the starting performances of synchronous motor is studied by digital simulation.
通过数字的仿真，研究了电机参数尤其是阻尼参数对同步电动机起动性能的影响。
It shows that it is possible to increase the start oscillation length by tailoring magnetic field's amplitude and its period without changing the synchronous condition of the fundamental wave; in the meantime, when there are two or more azimuthally asymmetric space harmonics in the high power broad-band helix TWT, the influences of the Pierce's gain parameter, space charge parameter, and loss parameter on the start oscillation length and real starting asynchronous velocity parameter are also analyzed.
研究结果表明：改变聚焦磁场的幅值或周期来增加起振长度是可能的，而且不会改变基波的互作用条件。与此同时，对起振长度、初始非同步速度参量随皮尔斯增益参量、空间电荷参量、损耗参量等的变化，以及在超宽带行波管中当存在两个或多个角向非对称空间谐波时，起振长度、初始非同步速度参量随周期永久聚焦磁场的变化进行了研究。
Abstract To simulate quasi-steady state asynchronous starting process of synchronous machines, a mathematic model of steady - state asynchronous operation of synchronous machine is set up in this paper, where practical distribution of damper windings is taken into account.
为了模拟同步电机的准稳态异步起动过程，本文考虑起动绕组的具体分布，建立了凸极同步电机稳态开步运行情况下的数学模型，并参考文献〔1〕建立了瞬态起动过程的计算模型。
Starting Performance Analysis of Self-Start Rare Earth Single-Phase Permanent-Magnet Synchronous Motor The physical origin of the ferromagnetism and antiferromagnetism was explained.
自起动稀土永磁单相同步电动机起动性能分析对材料产生铁磁性和反铁磁性的物理根源进行解释。
High Starting Torque and High Efficiency REPM Synchronous Motor
高起动转矩高效率的稀土永磁同步电动机
Use of Hydraulic Coupling for Starting Large Synchronous Condenser
大型调相机的液力起动
At present, the demand of middle and small synchronous brushless motors has a tendency to increase, and hysteresis motor has win the good graces of the equipments that requirement precise speed and constant starting torque during working.
目前，对中小型无刷同步电机的需求呈增长趋势，而其中的磁滞电动机在那些要求精确转速及恒定起动转矩的设备中一直受到特别的青眯。
The computer simulation method for calculating temperature rise of salient pole synchronous motor starting winding is described in this paper.
本文论述了凸极同步电动机起动时起动绕组温升的计算。
The self starting correction of the one hot state assignment synchronous sequential circuits is discussed.
讨论了具有独热状态编码的同步时序电路的自启动的校正问题。
Furthermore, it analyzes and deduces the fundamental theories of self-starting single-phase permanent magnet synchronous motor.
并对单相自起动永磁同步电动机的基本理论进行了分析推导。
One Hot State Assignment Approach to Design Synchronous Sequential Circuit with Self-Starting Capacity
可自启动独热状态编码同步时序电路的设计
We have carried out a study on the starting characteristics of solid salient-pole synchronous motor (SSPSM) by the time-stepping finite-element analysis (FEA) coupled with electric circuit.
采用基于时间步长有限元计算的场路耦合法，分析了实心凸极同步电动机的直接起动过程。
A method of starting the synchronous motor with the static variable frequency is presented on the basis of analyzing the current start control method of the synchronous motor.
在分析现有同步电动机启动控制方法的基础上，提出同步电动机静止变频启动方法。
Compared to asynchronous motor, Permanent Magnet Synchronous Motor has the following advantages: (1) More efficienciently; (2) Larger starting torque and strong overload capacity; (3) Higher power factor.
永磁同步电动机相对于交流异步电动机有以下一些优点：（1）效率高；（2）起动力矩大，过载能力强；（3）功率因数高。
Discussing on Starting Characteristic of Synchronous Massive Pole-motor Driving Large Inertia-blower
拖动大惯量风机的实心磁极同步电动机起动性能的探讨
Starting performance of U-type single-phase permanent magnet synchronous motor Core Loss Research and Design of Super-Premium Efficiency PMSM
U型铁芯单相永磁同步电动机起动特性超超高效永磁同步电动机铁耗研究与设计
Digital Simulation for Synchronous Motor Starting in Pumped-Storage Power Plants With SFC
抽水蓄能电动机变频起动数字仿真
It presented the control plan to realize the starting procedure of many high voltage and large power synchronous motors by using Quantum series PLC.
介绍了使用Quantum系列PLC实现对多台高压大功率同步电动机起动过程的控制方案。
The working features and frequency restrictions of SFC starting under two operation modes are analyzed, which are pulse switching mode with low speed and synchronous mode with high speed.
分析了SFC启动同步电机低转速运行（脉冲切换方式）和高转速运行（同步方式）的工作特点、频率限制。
This paper describes PLC application to static variable frequency starting system for large synchronous motors.
文章介绍了S7-300PLC在同步机中压静止变频起动中的应用。