发电机

To supply power for the appliances in high-speed EMS-maglev (electromagnetic suspension- magnetically levitated) vehicles, the position functions of self and mutual inductance in the linear generator were derived.

为解决高速电磁型高速磁浮车辆供电问题，推导了直线发电机线圈自感及互感位置函数。

This paper investigates the performances of an induction machine operating as a self excited induction generator in stand alone mode. A static capacitor bank is used to self excite the machine and to maintain its terminal voltage within a desired range.

本要探讨隔离型自激感应发电机的一些特性，利用静态电容器来做为感应机的自激并维持其端电压在需要的范围内工作。

Based on the model for self-excitation of synchronous generator and the idea of precise integration algorithm,a concise format of precise integration for fast simulation of the self-excitation is presented in this paper with the saturation characteristic of magnetic circuit of generators taken into consideration.

为此，给出了同步电机的自励磁数学模型，并结合精细积分法的思想，推导出一种形式简洁、仿真快速的精细自励磁积分格式，同时考虑了发电机磁路的饱和特性。

The conditions of self - excitation and the influence of automatic voltage regulator on power system self-excitation are analyzed and the system reaponse characteristics of power system under self-excitation are summarized.

分析了电力系统自激的产生条件及励磁调节器对自激的影响，研究了自激发生后系统的动态过程，提出了以发电机机端电压、发电机转子角速度以及励磁电流这3个量的变化规律作为判断复杂电力系统发生自激的依据，并以一个典型的双机系统的仿真结果验证了判据的有效性。

The self-excitation criterion of single-machine is difficult to apply to multi-machine power system, so the mathematical model to judge the self-excitation of all generating sets in multi-machine power system is researched.

1引言随着同步发电机组单机容量的增大和远距离负荷中心电站的建设，以及电力系统容量、电压和输电距离的不断发展和提高，许多问题随之产生，同步发电机的自励磁问题就是其中之一。

Synchronous generators will cause self-excitation with the help of a r mature reaction,its sttor current and voltage will increase.

现代电力系统的容量、电压、长度不断增加，同步发电机就可能因电枢反应的助磁作用而发生定子电流和电压自发地增大，形成自励磁。

Increase/decrease switch, which is a self-restoring switch, is used to adjust the magnitude of the generator voltage or reactive power.

增磁、减磁开关，为自复位开关，用于调节发电机电压或无功功率幅度。

He armature winding of TFW2 series generators is connection in star with neutral-point, three phase four wire system.

FW2系列发电机的电枢绕组为带有中性点的星形接法，三相四线制。

With the opening of a facility in late September, Vestas now has three factories, all in the coastal city of Tianjin, producing generators, nacelles （the hollow shells which house the drive shaft and gearbox）, and hubs for 1.8- and 2-megawatt wind turbines.

随着9月末一家新工厂的开工，威斯塔斯在中国已经有三家工厂，全部位于沿海城市天津。这些工厂主要生产发电机、发电箱（主要容纳传动轴和变速箱）以及1.8与2兆瓦风力发电涡轮机组。

Click here to use this sig generator .

点击这里使用这个SIG的发电机。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。