异步的

C. exciting generator is discovered in this thesis for the first time, which indicates a. c. exciting generator can be in stable asynchronized operation and gives a challenge to classic concept that an a.

为了进一步分析异步化同步发电机的运行特性，本文系统地推导了异步化同步发电机电磁暂态过程和机电暂态过程的基本方程式。

The paper discusses the specifications of asynchronous serial communication and summarizes the requirements for the implementation of asynchronous communication.

本文在分析异步串行通信规范的基础上，总结了实现异步串行通信的条件。

With the same as AC induction motor, the article also introduced the mathematical model and FOC of ACI.

然后给出了异步电机的数学模型，分析了异步电机矢量控制的原理，并给出了实现方式。

Common induction motor variable frequency system is extensively applied, but common induction motors are designed by constant frequency and constant voltage, when the frequency change that induction motor works, the parameter and performance of common induction motor will change.

摘要普通交流异步电动机变频调速系统被广泛应用，但是，普通交流异步电动机都是按恒频、恒压设计的，在频率改变时，电动机的参数和性能都将发生改变。

Although an asynchronous reset is a safe way to reliably reset circuitry, removal of an asynchronous reset can cause metastability if not done properly.

尽管异步复位是一种安全可靠复位电路的方法，但如果处理不当的话，异步复位释放可能会导致亚稳态的问题。

This thesis make a study on Vector-contorl WVF system of asynchronous motor. In the course of study, making use of the mathematical model of asynchomous motor in MT axes. Then both open-loop control system and close-loop vector-control system are respectively simulated with simulation block SIMULINK in MATLAB.

本文对异步电动机变频调速系统进行了研究，利用异步电动机在二相同步旋转MT坐标系下的数学模型，使用MATLAB中的仿真工具箱SIMULINK分别对开环控制系统和闭环矢量控制变频调速系统进行了仿真。

And, this paper is focus on studying the significance of Petri net in asynchronous circuit and designing asynchronous circuit based on STG and Petrify.

并且主要研究Petri网在异步电路设计中的重要意义，研究基于信号转移图(Signal Transition Graphs，STG)与Petrify的异步电路设计。

Finally, this paper studies thoroughly a novel approach to detect rotor bar breaking fault, which is based on the perfect combination of the Hilbert Transform and digital f

在上述研究的基础上，针对山西娘子关发电厂7#给水泵（YK2300-2/990笼型异步电动机），研制大型异步电动机状态监测与故障诊断系统，目前已完成安装调试，试运行阶段效果良好。

The company has over 20 series and over 300 specifications of products including 3-phase asynchronous motor, 1-phase asynchronous motor, grinding wheel machine, grinding plate machine, wire saw, tape saw, woodworking machine, etc.

主要生产三相异步电动机、单相异步电动机以及砂轮机、砂盘机、线锯机、带锯机、木工车等20多个系列、300多个规格的电动工具产品，年生产能力100万台，出口创汇2000万美元，是全国重点出口骨干企业。

YD Series varible pole multi-speed three-phase asynchronous motors are one of the main series products deriving from three-phase series.

YD系列变极多速三相异步电动机是三相异步电动机的主要派生系列之一。

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。