发电机组

Therefore,the hybrid dynamic model of WTG was built based on theory of hybrid automata,at same time hybrid global control system was designed according to control strategy of WTG.

基于混杂自动机理论建立了风电机组的混杂动态模型，同时根据风力发电机组控制策略设计了全程混杂控制系统。

The noise of Gold(750kW) wind power generator set can meet the requirement of the criterion of industry corporation noise control and the criterion of noise in city area , by the noise reduction measure thereinafter.

通过以上的降噪措施，金风750kW风力发电机组的噪音水平满足《工业企业噪声控制设计规范》和《城市区域环境噪声标准》的标准要求。

This paper has made some innovative research about the simulation system based on the control configuration software and the digital model foundation and optimize of the thermoelectricity generator unit .

本文在基于工程组态软件仿真系统开发，以及火力发电机组数学模型建立与优化方面做了些创新性的研究。

With the increasing of the capacity of unit system thermoelectricity generation unit, most of the large-capacity generating units are involved in the operation of adjusting peak.

随着单元制火力发电机组容量的日益增大，大部分大容量机组都参与了调峰运行。

This time designs the topic is 4*125MW power plant electricity preliminary design, this power plant is a topicality important thermal power plant, this factory plan installs four 125MW condensation type thermoelectricity generation unit, the aggregate capacity 500MW close middle-scale power plant scale, this institute is located middle the city.

摘要本次所设计的课题是4*125MW发电厂电气部分设计，该发电厂是一个地区性重要的火力发电厂，计划安装四台125MW凝汽式火力发电机组，总容量500MW接近中型发电厂的规模。

The main work is as follows:(1)A professional program MANDISP2007 is developed to study the shaft torsional oscillation and fatigue loss problem.

本文将主要研究电力系统大扰动对汽轮发电机组轴系扭振的影响，主要包括：(1)开发研究机网扭振相互作用的专业软件MANDISP2007版程序。

With the development of the electric power industry, the capacitance of a turbo-generator has increasingly become larger, which risk the torsional oscillation in the flexible shaft system of large turbine-generators. The problem of shaft torsional oscillation has become the key technology need to be solved urgently in the development of large power system and unit.

随着电力工业的发展，汽轮发电机组的单机容量正日益大型化，导致机组轴系扭转振动的危害性日益突出，轴系扭振问题已成为发展大电网和大机组所急需解决的关键技术问题。

As the development of the power industry, the generator unit has larger capacity and the shaft becomes more flexible, also the interconnected power gird is huger and more complicated, which make the torsional oscillation problem between the unit and grid more and more notable.

随着电力工业的发展，一方面发电机组单机容量大型化、轴系柔性化，另一方面互联电网规模大型化、结构复杂化，这种趋势使得大机组和大电网的扭振相互作用问题突出出来。

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 key problem of this model is to acquire injecting power actual utilization rates. A pseudo load variable to balance network losses and to construct its corresponding Jacobian matrix is introduced. In the solution power flow process, injecting power actual utilization rates of each generation could be easy obtained with solving the n step transposed matrix.

该模型核心是上网电能实际利用率的计算，以直流潮流为基础，引入虚拟网损负荷变量并构造出带有松弛负荷变量的有功不平衡方程雅可比矩阵，一次求解n阶矩阵的转置矩阵，获得各发电机组的上网电能实际利用率。

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。