如果您的车有太多的问题(车头灯坏了，发电机失效，变速器失灵)，那么购买一辆新车也许更明智一些。
If there are too many problems with your car (broken headlights, alternator not working, transmission failing), it might be wiser to get a new car.
将这种盘式永磁同步发电机应用于变速恒频风力发电系统中，可以有效地利用资源，降低风电成本。
This type generator is applied to the wind energy system, it can make use of resource adequately and re - duce the cost of the wind energy.
该电动机将与变速器相连，它可以有效替代包括交流发电机和起动机等设备。
The motor will be integrated in the transmission housing, and it effectively replaces drag inducing auxiliary components such as the alternator and starter.
文中提出的双馈感应发电机线性化模型适用于变速恒频双馈风力发电系统的相关研究。
The presented linearized model of doubly-fed induction generator is suitable to the related researches of doubly-fed variable speed wind turbines.
我根本分辨不出哪一个是变速器，哪一个是交流发电机。
I couldn't have distinguished a transmission from an alternator.
本文以双馈式电机转子磁场走向为控制的约束条件，建立了双异步变速恒压恒频发电机的矢量控制模型。
Using field orientaion of rotor of doubly fed machine as confining condition, this thesis has established vector control model for double asynchronous VSCFCV generator.
变速恒频水轮发电机系统是一个涉及水力、水轮机和发电机的综合系统。
Hydrogenerator system with DFG is a synthetical system including water, hydroturbine and generator portion.
该系统由变速驱动控制器、电动机、发电机、逆变器及微机组成。
This system is composed of variable velocity driver, motor, generator, inverter and computer.
双馈发电机的有功和无功功率的解耦控制是变速恒频（VSCF）风力发电系统的关键技术。
The decoupled control of active power and reactive power is a key technology of variable speed constant frequency (VSCF) wind energy generation system.
实验结果表明，该新型转子电流混合控制结构可以满足变速恒频风力发电机系统的运行要求，同时实现了发电机的输出功率因数可控。
Experimental results show that the novel rotor current hybrid control system can satisfy the requirement of VSCF wind generator system, and the power factor control of generated power is available.
在变速恒频双馈风电机组中，交流励磁双馈风力发电机的设计和制造技术是十分关键的。
The design and manufacture for MW-class AC-excited doubly-fed generator is very important in the variable speed constant frequency doubly-fed wind power system.
重点介绍了目前风电场中所采用的风力发电机组，包括风力机、风力机的功率调节及恒速恒频和变速恒频发电系统。
The main topics mentioned here are about wind turbine, power regulation of wind turbine and induction generator in wind farms with electrical power system.
飞机变速恒频电源系统的主要部件有无刷交流变频发电机、变换器和控制器。
The main parts of the aircraft VSCF electrical power system consist of the no-brush AC variable frequency generator, converter and controller.
通过水轮发电机组的变速试验对发电机转子测试数据进行分析。
The measuring data of generator rotor obtained from varying speed experiment of the hydro-generating unit is analyzed.
一个典型的风力发电机，20%的停车时间是由于变速箱的故障引起的，而平均每个变速箱的故障修理时间大概是256小时。
For a typical turbine, 20% of the downtime is due to gearbox failures, and an average gearbox failure takes about 256 hours to repair.
文章介绍了恒速恒频及变速恒频并网型风力发电机组的控制方法。
This paper introduces the control method for the Wind Turbine Units of constant speed constant frequency and variable speed constant frequency.
在MATLAB环境下给出了用BP网对变速风力发电机控制的仿真模型和仿真结果，显示采用神经网控制器控制有很好的抗风速突然波动的作用，能有效地抑制扰动。
The simulation model and result are given under the environment of MATLAB. The fluctuation of wind speed can be controlled and the disturbance can be cancelled by BP neural network controller.
随后，进行了双定子无刷双馈发电机实验系统的开环发电实验，实现了该发电系统的变速恒频发电。
Subsequently, an open loop experiment has been tested which verified the feasibility of the experimental generation system can run in variable speed and constant frequency condition.
双定子无刷双馈发电机具有无刷化和可进行变速恒频发电的特点，非常适合于风力发电系统，对其发电系统的研究，将使这种新型电机能够尽快地应用于实际之中。
Twin stator brushless doubly fed machine generation system which has no electrical brush and can running in variable speed and constant frequency condition is very suitable for wind power generation.
外壳内，设有小切换齿轮、分别与大链轮和大齿轮固连的端面齿轮轴、变速齿轮组和发电机组。
A small switching gear, a contrate gear shaft respectively fixedly connected with a big chain wheel and a big gear, a speed change gear set and a generator set are arranged in the casing.
交流励磁变速恒频风力发电系统从电能控制的角度来看，它包括交流励磁发电机、交流励磁器和发电控制系统。
From point of view of electric-energy control, AC excited generation system for wind-energy with variable-speed and constant-frequency includes AC excited generator, AC exciter and the control system.
建立了变速变桨距风力发电机组的简化模型。
A simplified model of variable speed variable pitch wind turbine is established.
介绍了变速恒频风力发电的基本原理，并采用定子磁链定向的矢量控制方法得到了双馈发电机的矢量控制系统模型。
The thesis presents the principle of VSCF wind Power. In this thesis, we adopt the vector control strategy of stator field-orient and gain a vector control system model of double-feedback generator.
从交流励磁发电机的基本方程出发，通过对其矢量图和功率流程的研究，提出了变速恒频的实现方法。
Based on the basic equation of A. C. exciting alternator, the vector chart and power flow chart of the alternator are studied, and a method of variable-speed and constant frequency (VSCF) is proposed.
无刷双馈电机除了可作为变速恒频发电机外，还特别适用于大容量的交流调速系统。
The BDFM is suitable to ac speed control system of great capacity besides working as VSCF generator.
无刷双馈电机除了可作为变速恒频发电机外，还特别适用于大容量的交流调速系统。
The BDFM is suitable to ac speed control system of great capacity besides working as VSCF generator.
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