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。
GAL16V8D is employed to deal with the BLDCM rotor position signals and the other logic signals. The BLDCM drive circuit is mainly composed by Three-Phase Full Bridge Inverter and gate driven IC IR2130 with its peripheral circuit. A three loop control strategy, with current loop as the inner one, braking moment loop as the outer one, and slip ratio loop as the outermost one, is applied here.
论文详尽地阐述了以TMS3320F240为核心的控制器硬件构成，充分地利用DSP内部资源并辅以外围电路构成了速度检测、电流反馈、过流保护、串口通信等功能电路，利用GAL16V8D实现无刷直流电机的转子位置信号等逻辑信号的处理，以IR2130为中心构成了三相全桥电路实现无刷直流电机的高效驱动。
In this case there is no magnetic coupling between the rotor and the stator during the positive phase of the signal generated.
在这种情况下不存在磁耦合转子定子中的积极阶段的信号产生。
In the tidal power generation system based on doubly-fed motor, the frequency, amplitude, phase and phase sequence of exciting current in the rotor winding are adjusted to achieve the variable speed constant frequency control strategy.
基于双馈电机的潮流发电系统是通过调节转子绕组中励磁电流的频率、幅值、相位和相序来实现变速恒频控制的。
A. Self trouble diagnose Short circuit, ove voltag, single phase frounding, notor overload, phase failure, locded rotor and the intilignet program can judage the operation condirion of drag system.
故障自诊（短路、过电压、单相接地、电机过载、断相、堵转，加上智能程序可研判报动系统工况）。
As a result, the electromagnetic field intensity is changed accordingly andfluctuating current in the damper coil is created. Damping force is mostly producedbecause of the phase difference between fluctuating current and displacement of rotor. The formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results.
通过分析发现电磁阻尼器线圈内由于转子涡动时变化的磁场而产生的波动电流与转子位移间的相位差是产生阻尼的主要原因，推导了波动电流、阻尼系数的计算公式，并通过实验展示了被动式电磁阻尼器的阻尼效应。
The analytical expression of the phase current including rotor position detection error was given under these commutation instances.
以BLDC工作在三相星型六状态模式为基础，详细讨论了驱动系统的三种换向情况，即换向正常、换向超前和换向滞后，并分别给出了几种换向情况下包含转子位置检测误差的相电流的解析表达式。
The paper first expounds the calculation of influence coefficient method for flexible rotor and vector influence coefficient method for flexible rotor and the calculation of phase for balance based on DFT and develops high- speed rotor vibrating balance testing system by utilizing DSP TMS320LF2407 as core chip while referring to intelligent vibrating balance instruments home and abroad.
本论文首先对不平衡算法：刚性转子影响系数法以及基于DFT的不平衡振幅、相位提取算法作了详细归纳、阐述。在参考和借鉴国内外智能动平衡仪的基础上，提出了采用DSP技术，开发转子动平衡测试系统。
An AC coil is embedded on each of the rotor salient pole, np salient poles correspond to np AC coils, which are divided into m2 groups on relative positions in the central line of the salient poles in a air-gap magnetic field, the coils of each group being linked to form phase windings based on the polar of the magnetic field; and infusing symmetrical AC current with rotary difference frequency of m2 into the rotor m2 phase windings.
在所述每个转子凸极极身上嵌套一个交流线圈，np个凸极对应了np个交流线圈，所述线圈按照其所在凸极的中心线在气隙磁场中的相对位置被分成m2组，每组中的线圈按其所在磁场的极性连结成相绕组，所述转子m2相绕组中通入频率为转差频率的m2相对称交流电流。
On the base of roundly analyzing and studying phase relation of stator magnetometive force and rotor one of brushless DC motor, the main purpose of this paper is to analyze thoroughly positive and negative rotation logic layout of sensorless BLDCM, and explains the differences between BLDCM and sensorless BLDCM.
依据无刷直流电动机定转子磁势的相位关系，深入分析无位置传感器无刷直流电动机正反转控制的逻辑编排，并分析了无位置传感器和有位置传感器正、反转控制的不同。
A new six-phase disc permanent magnetic synchronous motor which adopts a one-rotor-two-stators configuration was designed. The structure and characteristics were presented. And the design method and parameters were calculated. FEM is used to analyze the magnetic field characteristics of this motor.
设计了一种新型的采用双定子夹单转子的六相盘式永磁同步电机，介绍了它的结构和特点，给出了此电机的设计方法和主要参数的计算，并利用有限元法FEM 对六相盘式永磁同步电动机的磁场特性进行了仿真分析计算。
Repulsion motors are wound-rotor single-phase AC motors that are similar to universal motors.
推斥式电机是绕线转子单相交流电机，它与交直流电机相似。
The wound-rotor motor's operation controlled by static phase generator is much more complex system because of electrical interference by the random effects. the conventional PID parameters are difficult to be adjusted, it can not achieve optimal control.
静止式进相器在控制绕线式电机进相运行中，由于电机受随机干扰的影响，是一个较为复杂的系统，常规PID控制的参数不易在线自调整，难以实现最优控制。
To meet the requirements of minimizing the machine size, improving the mechanical strength, reducing the noise, and enhancing the electromagnetic compatibility, the stator of this novel induction generator has two embedded windings. The two windings include a 12-phase power winding connected to a rectifier load and a 3-phase control winding connected to a static excitation regulator respectively. It has a squirrel-cage solid rotor. Also, there are the capacitors for self-excitation and the inter-phase reactors in the system for performance improvement.
为满足减小体积、提高强度、降低噪声、加强电磁兼容等要求，所研究的新型异步发电机系统在定子上置放一套与整流负载相连接的十二相功率绕组和另一套与励磁调节器相连接的三相控制绕组，转子采用了鼠笼实心结构，且在系统中接有自激建压电容和平衡电抗器。
Work is done at the shaft when the rotor is in its attraction phase.
工作是做轴时，转子是在招商引资阶段。
The results show that the expression of rotor current and the estimation of maximum rotor current presented in this paper can picture the rotor current corrently when a three-phase short circuit fault happens at terminal.
结果表明，本文所推导的转子电流表达式及最大转子电流估算式能较准确的反应双馈风机机端三相短路故障后的转子电流。
Then, according of the size and phase of unbalance make corresponding balance to eliminate original balance to adjust the rotor.
它动态的描述转子的转速、不平衡总量大小及配重位置，而后根据测得的配重大小和相位对叶轮进行校正，减少了更换设备的费用，提高了风机运行的稳定性。
This paper quotes three methods for determining the steady-state equivalent circuit parameters of three-phase induction motors: the classical locked-rotor and non-load tests, the direct parameter modification and the recursive least-squares method; The introduction also analyzed advantages and disadvantages of these methods, and then presents genetic algorithms based determination methods for steady-state equivalent circuit parameters of induction motors.
本文说明了三种常用的试验方法：传统的空载和堵转试验方法、直接修正参数法和递推最小二乘法，并分析了它们的优缺点。
ACEG (AC-Excited Generator) have many excellent characteristics, it may improving the stability of electric power system, its rotor rotate speed may variable, it cant lose step even when operated in deep lead phase, it especially applied in pumped-storage hydraulic power plant.
交流励磁发电机具有改善电力系统稳定性、转子转速可变、可以深度进相运行而不失步等优良特性，尤其适用于抽水蓄能电站等场合，是国内外电力系统研究的一个重点。
ACEG (AC-Excited Generatcr) have many excellent characteristics, it may improving the stability of electric power system, its rotor rotate speed may variable, it can抰 lose step even when operated in d~p lead phase, it especially applied in pumped-storage hydraulic power pliant.
交流励磁发电机具有改善电力系统稳定性、转子转速可变、可以深度进相运行而不失步等优良特性，尤其适用于抽水蓄能电站等场合，是国内外电力系统研究的一个重点。