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This thesis focuses on maximum-power-point-tracking algorithm applying for wind-turbine generator system. The system includes the serve-motor, induction generator, three-phase full bridge rectifier, buck converter and fixed load. This thesis uses traditional Current Perturbation Algorithm as well as Perturbation Stochastic Approximation Algorithm to implemented with Matlab/simlink and hardware to achieve the maximum power tracking.

本文针对风力发电系统提出最大功率追踪法则，整体系统架构包含了伺服马达、感应发电机、三相全桥式整流器、降压直流转换器和固定负载，并由传统电流型扰动观察法合并扰动近似演算法，进行Matlab/simlink 模拟与电路实作设计来完成最大功率追踪。

In dissertation, a kind of novel dynamic simulation method of wind turbine, which can overcome the disadvantages of the present simulator, is presented based on direct torque control of induction machine.

针对现有风力发电模拟系统存在的不足，提出一种基于异步电动机直接转矩控制的新的风力机动态模拟方法。

The loosening of bearing screw bolts will bring about serious damage to the steam turbine rotor,journal bearings.etc.

轴承螺帽松动，将引起汽轮机汽缸、转子、轴承等主要零部件的严重破坏。

Journal bearing vibration on turbine units of peak load regulation often occur obvious changing in short time because of its load change. if this change excess some standards, it might lead to abnormal shutdown of the the unit.

调峰机组由于经常需要在变负荷状态下运行，机组轴系振动往往会在短时间内产生变化，如果这种变化超过允许标准，将导致机组非正常停机，不能完成调峰任务。

Peng Shan, Non-install Integral Performance Simulation of a Cycle Variable Supersonic Through Flow Fan Propulsion System, Journal of Gas Turbine Experiment and Research, Vol.

单鹏，超音通流风扇变循环推进系统内流特性模拟，燃气涡轮试验与研究，12卷1期， 1999年。

ASTM D3227-02a Standard Test Method for Sulfur in Gasoline, Kerosine, Aviation Turbine, and Distillate Fuels.

电位差法测定汽油、煤油航空汽轮机燃料及馏分燃料中硫醇态硫含量的试验方法。

The fatigue crack growth rate of hydraulic turbine blades was studied using acoustic emission technique in the laboratory.

利用声发射技术在实验室环境下对叶片疲劳裂纹扩展速率进行研究。

The large-framed machine foundation is commonly used in supporting the steam turbine-generator set in power stations, and the vibration of the foundation is the key element of the whole foundation design.

大型框架式动力机器基础是发电厂支承汽轮发电机组的常用型式，而基础的振动问题则是整个基础设计的关键。

Finite element dynamic study on large-framed foundation of steam turbine generator.

考虑收缩、徐变及开裂影响的组合梁长期受力性能研究-试验及计算。

The company possesses up-to-date technology of design and manufacture of direct drive wind turbine first-class manufacturing equipment and excellent management team; it is one of the leading corporations in MW class wind turbines manufacturing industry in China.

Company拥有国际领先的直驱式风机设计制造技术，一流的生产制造设备，优秀的经营管理团队，是中国大型风力发电装备制造业的龙头企业。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。