发电机

This paper extends the analysis for axial-system torsional oscillation into the nonlinear domain,and the research for Hopf ramification phenomena in axial-system torsional oscillation has been made using the time-domain simulating results,it verified the analysis results of similar nonlinear differential equation describing the axial-system torsional oscillations.

文中把发电机轴系扭振的分析扩展到非线性领域，并对轴系扭振中的Hopf分歧现象进行了研究，利用时域仿真结果对从描述轴系扭振的近似非线性微分方程分析所得结果进行了验证。

Then we use IEEE First Benchmark system model and the 500kV system which contain 500MW and 600MW turbo-machines, as typical examples, the shaft systems without exciter in these examples are also analyzed on its impact on torsional oscillation.

首先对采用静止励磁方式的汽轮发电机轴系建模进行了说明；然后以IEEE次同步谐振标准模型和东北电网中伊敏电厂计划安装的500MW和600MW汽轮发电机组为典型算例，研究了改用静止励磁方式对轴系扭振的影响。

The fundamental theories of voltage stability, the countermeasures of improving transient voltage stability and the overload characteristic of Powerformer are studied in this dissertation.

论文研究了电压稳定性的基本理论、提高电力系统暂态电压稳定性的措施及高压发电机的过负荷特性。

A trapdoor leads to a cellar containing water storage and power generator utilities.

在活板门下有个地窖中有一个贮水槽和一个发电机。

The formulation of power system transient stability preventive control based on optimal power flow is presents in this thesis, in which multicontingency is considered. The infinite dimensions nonlinear optimization problem in which differential-algebraic equations are existed is changing into finite dimensions difference-algebraic equations by implicit trapezoid method.

建立了基于最优潮流的电力系统暂态稳定预防控制模型，通过隐式梯形法将含有发电机动态微分-代数方程和暂态稳定约束的无限维优化问题转换成有限维的常规静态最优潮流问题。

Water in a stream is harnessed by building a dam and putting in turbines for water to tum.

河流里的水可以借助于建筑水坝，并安装上使水发电的水轮发电机而加以利用。

It's very useful for the design of a 1000 MW class turbine generator.

该分析计算方法对大容量汽轮发电机的设计是实用有效的。

This position will be responsible for Turbine and Generator shop Quality Surveillance.

该职位将负责汽轮机和发电机的制造质量监督。

Although China's wind turbine generator industry has been developing for more than 20 years, it still remains in a research phase.

尽管中国的风力涡轮发电机工业发展了20多年，但是它仍然处于研究阶段。

Various type and size of the turbine and generator, and provide the

定期准备不同尺寸和类型的水轮机和发电机钢钢板利用率的统计数据，提

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。