查询词典 a-c generator

Wind turbine gearbox is a key part in MW wind power generator,which is more easily over load and has a high failure rate.

风电增速齿轮箱在兆瓦级风力发电机中属易过载和损坏率较高的部件，对其性能进行分析，预测其性能并进行优化是十分必要的。

At the same time, comparing with the straight tube type stream generator, it can strengthen the effect of heat exchange. Finally, aim at the demand of the nuclear power equipment, the varied rule of some parameters are gained by designing a reasonable control project with the MATLAB and SIMULINK software. The simulation results provide a good foundation for the father research of the integral nuclear power equipment.

最后，针对核动力装置一回路系统要求，设计出合理的控制方案，并将一回路系统中的堆芯、蒸汽发生器以及其相应的控制系统连成一体，运用MATLAB中的SIMULINK仿真软件对其进行变工况动态仿真，得到了一些参数的变化规律，所得结果为进一步研究一体化核动力装置动态仿真系统提供了依据。

The three-phased half-controlled bridge commutation and stabilizing voltage adjuster of permanent-magnet generator , which is also a rectifier, wastes a little electricity power and outputs high efficiency , makes it generate stable direct circuit, solves vehicle's problem of generating stable voltage at variable speed and variable load.

永磁发电机三相半控桥式整流稳压器集稳压、整流于一体，电能消耗少，发电效率高，输出直流电压稳定，解决了汽车用永磁发电机在变转速、变负载工况下输出电压保持稳定的问题。

The major aging problems in a PWR plant and their assessment technologies were summarized as the radiation embrittlement of reactor pressure vessel materials,thermal aging of cast stainless steel,stress corrosion cracking of steam generator tubing and metal fatigue in primary circuit of a PWR plant.

主要的老化机理有反应堆压力容器的辐照脆化、铸造不锈钢的热老化、蒸汽发生器传热管的应力腐蚀开裂和金属疲劳。

The hot helium temperature follows HTR-10's nuclear power changes slowly, and there is a large coupling between them, so the RPHHT system adopts cascade control, the minor loop is fast, and the major loop is hot helium temperature control loop whose dynamic response is slow; there is also a large coupling between main helium loop and steam-water loop, and both the main steam temperature measure signal and the heating process of the once-through steam generator are delayed, therefore, the MHFMST applies cascade control, the minor is main helium flow control loop whose dynamic response is fast, and the major is the main steam temperature control loop whose dynamic response is slow.

本文运用机理建模法，建立了HTR-10系统动态控制模型，然后进行了动态性能仿真，将堆芯用集中参数表示，冷却剂按一维流动处理；直流蒸汽发生器按二回路工质不同的相分为预热段、蒸发段和过热段，建立了三环节控制模型，得到HTR-10系统控制模型；仿真结果与数值计算结果对比表明，本文所建立的控制模型，能近似地反映HTR-10的动态特性，适合设计控制系统。

In a generator, the moving parts are spinning coils of wire ; in a planet or star, the motion occurs within an electrically conducting fluid.

在一般的发电机里，运动的部份是旋转的线圈；而在行星或恒星里，运动的则是导电的流体。

A power electronic interface between generator and battery is studied and manufactured to improve the running performance of current small-scaled wind energy conversion system and solve the problems that available system has to a certain extent.

本文的主要工作是研制了介于发电机和蓄电池之间的电力电子接口以控制整个风电系统能量转换过程，在一定程度上解决现有系统存在的问题，从而提高系统的整体运行性能。

To obtain more uniform temperature distribution and relative lowest temperature over cross section of the rotor, on the basis of test data of a given example of a 150MW turbo generator with air coolant, numerical solution of two dimensional modelling equations of air turbulent flow and heat transfer in and between cooling duct and rotor were carried by the Finite Volume Method at condition of varying configuration parameters of sub slot, the number of winding's cooling ducts and center distance of them, and the diameter of slot wedge.

为了能够得到转子截面较均匀并且最高温度值较低的优化温度分布，文中在150MW空冷汽轮发电机转子实验研究基础上，改变副槽的几何形状、径向通风沟的条数及间距、槽楔出风口直径等几何量，采用有限体积法求解转子本体及通风道内空气的传热及紊流流动等二维离散方程组。

There is also a petrol-electric hybrid, with a single-cylinder generator that extends the range from 200km (120 miles) to 1,130km.

在有一个单缸的发动机的油-电混合动力的车型里，车的航程可达到220公里（120英里）至1130公里，最高时速亦可达150公里/小时。

For example, whilst a PC with 600MHz P3 processor can simulate around 2 million digital events per second, the same computer will only be able to simulate a sine wave generator running up to about 2kHz before the CPU load reaches 100%.

例如，一台P3 600MHz的PC机可以每秒仿真约2百万条数字化信号事件，但是这样一台计算机在满负载情况下，只能仿真一个频率为2KHz的正弦波形发生器。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。