英汉例句

• influences of asynchronous machine on the transient voltage stability of power system are simulated and analyzed by setting large disturbances and time domain simulation.

  发现合于永久故障时三相重合闸时序对系统暂态电压稳定性有较大影响，以单负荷无穷大系统为例探讨其机理。

• but asynchronous machine is a multivariate close coupling non - linear time - variable parameter system. and it is difficult to control by rule and line through adding exterior signal directly.

  而异步电机是一个多变量、强耦合、非线性的时变参数系统，很难直接通过外加信号準确控制电磁转矩。

• the asynchronous machine is fed by cascaded multilevel inverter, and the inverter switching signals are generated by carrier phaseshifted pulse width modulation method.

  采用级联型多电平逆变器给异步电机供电，逆变器的开关信号利用载波移相脉宽调制方法生成。

• comparing with frequency converting driving system for asynchronous machine and adjustable speed for dc motor, the driving system has a wide application foreground.

  与变频异步电机驱动系统和直流电机调速系统相比，开关磁阻电机驱动系统有着广阔的应用前景。

• a new scheme for trial system of asynchronous machine is presented. the method and the result to simulate the system in matlab/simulink are given.

  文章介绍了一种新的异步牵引电机反馈试验方案，并用matlab/simulink对该方案进行一定的建模与仿真，并给出仿真的方法和结果。

• the windings construction, connection method and shifts taps varies speed method for the single phase variable-pole multi-speed asynchronous machine are described.

  介绍了单相变极多速异步电机的绕组结构、连接规律和抽头调速法，通过分析比较电势星形图得出了一种四、六极性能兼顾的变极方案。

• the research centered on the vibration question of the ykk500-4 asynchronous machines. the vibration excitation and structure vibration characteristic of asynchronous machine are analyzed.

  本文围绕ykk500-4感应电机的振动问题展开研究，从激振力入手，分析感应电机的结构振动特性。

• based on the theory of vector control and automatic control system, the vector control system of current model for doubly-fed asynchronous machine with field-oriented rotor was established.

  根据矢量控制理论和自动控制原理，建立了转子磁链定向的双馈异步电动机电流模型矢量控制系统。

• in asynchronous machine there exist main kinds of flux linkage, that is: rotor flux-linkage, air-gap flux-linkage and stator flux-linkage.

  异步电动机内部存在三种磁链，即转子磁链、气隙磁链和定子磁链。

• the energy optimization control of asynchronous machine often uses the permanent slip frequency control according to the electrical machinery static model.

  感应电机能量优化控制常根据电机静态模型采用恒转差频率控制。

• the actual implementation of the asynchronous machine drive model is explained in detail with the help of matlab/simulink and the drive circuit can be designed easily.

  给出用matlab/simulink实现这种异步电机调速系统通用仿真模型的模块化设计步骤。

• a new model of three phase asynchronous machine is presented. the new model was obtained by transforming the original phase axes model of three phase asynchronous machine.

  介绍了三相异步电机的一个新模型，该模型由原始的相轴线模型变换得到。

• by means of this method the electromagnetic field in the cup-rotor of a asynchronous machine is calculated. the solution is identi…

  用这种方法对异步电机空心杯转子的电磁场进行了计算，所得结果与解析解一致。

• asynchronous machine is a nonlinear, multivariable and coupled system.

  异步电机是一个非线性、多变量、强耦合系统。

• the study of saving energy in asynchronous machine is very important to economy and society.

  因此，对异步电动机节能装置的研究有着重大的经济效益和社会效益。

• in this paper the multivariable model of asynchronous machine is analyzed and its three main properties are defined, in which the coupling effect of rotational emf is clarified especially.

  本文分析了异步电机的多变量数学模型，明确了它的三点性质，特别阐明了旋转电势在系统中的耦合作用。