| 1. | Real - time power angle measurement of a synchronous generator based on gps clock signal and tachometer
时钟信号的发电机功角实时测量方法 |
| 2. | Abstract : generator power angle is very important in the study of power system stability
文摘:功角在电力系统稳定问题的研究中占用特别重要的地位。 |
| 3. | Development of multi - function realtime power angle monitoring system for east china power grid and its application
协议的现场状态监测仪器网络通讯设计 |
| 4. | According to the calculation results , the three - variable differential method is applied to estimate the field current and power angle of the synchronous generator
根据已有的计算结果，采用三元插值法估算同步发电机的励磁电流和功角。 |
| 5. | An on - line parameter identification for large synchronous generators is presented . a step change of excitation is imposed to a generator when the machine is in normal operation . the transient voltages , currents and the power angle are recorded
本文针对广泛应用的同步发电机微机测试系统，利用高性能价格比的mcs ? 196系列单片机开发出一种高精度、智能化的微机自动测试装置。 |
| 6. | Based on the large disturbance equation and using the measured power angle as an observation argument in an identification algorithm , the electrical parameters and mechanical parameters are obtained . in this thesis , micro - computer testing systems for synchronous generator is analyzed . withmcs - 196 series single chip micro - controller of high price performance ratio , a high precision , intelligent instrument for automated testing has been developed
设计了同步发电机参数测试仪器，完成了利用发电机定子电压电流的波形，辨识发电机参数的计算机软件，该装置运用锁相环技术自动跟踪和获取电量频率，进行交流采样，利用傅立叶算法求得电量基波的幅值、有效值，从而可获得三相有功功率、三相无功功率以及功率因数。 |
| 7. | We designed and realized the experiment of testing the characteristic of propulsion and levitation force of lsm . the characteristic curve of propulsion and levitation force - power angle is measured and the effect of excitation on propulsion force and levitated force of motor is analyzed . the analytical result is compared to that of experiments
论文设计并进行了直线同步电机的驱动力和悬浮力特性实验，测量了驱动力和悬浮力与功角的特性关系，分析了励磁性能对电机驱动力与悬浮力的影响。 |
| 8. | 3 . adopted the design thought of virtual instrument , the automatic reactance testing system and the instrument of power angle measurement are developed , which change the traditional measure means based on manual operation , a new method is provided for measure the parameter of reactance . 4
采用虚拟仪器的设计思想，开发出了稀土永磁同步电机电抗参数自动测试系统和功角测量装置，改变了以往以手工测试为主的测试手段，为电抗参数的测试提供全新的手段和方法。 |
| 9. | There are four main parts in the paper , i . e . first of all , the dissertation studies the steady - state performance of repmsm with the theory of vector graph and equivalent electro circuit . characteristic of power angle , determinant of static of motor moving , losses and armature reaction are analyzed in this part
论文研究稀土永磁同步电动机的稳态性能，结合向量图和等值电路理论对稀土永磁同步电动机稳定运行进行了深入细致的分析，包括功角特性，电机运行状态的判定，损耗和电枢反应等稀土永磁同步电动机自身具有的特点。 |
| 10. | The power angle characteristics are acquired and compared with the unsaturated curves . it is concluded that the stability limit of the power angle is less than 90 degree . reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered , the result is that u type curves are deviated to the right
通过对同步发电机各种运行曲线的计算，在已有文献的基础上更进一步分析了铁磁材料饱和以及磁场畸变对同步发电机运行特性和参数的影响；求出了空载特性曲线和零功率负载特性曲线，在不同的电枢电流下计算得到的波梯电抗不同；求出了功角特性曲线，与不计饱和时的功角特性曲线相比较，功角稳定极限小于90 ；求出无功调节曲线，与不计饱和时相比较， u型曲线向右偏移。 |
