According to the mathematical models of 3-phase asynchronous motor in αβ o coordinates, considering stator terminal voltage constrains of stator symmetrical and asymmetrical conditions, the practical simulation program is written which applies to 3-phase induction motor symmetrical and stator asymmetrical operating cases. 采用三相异步电动机在αβo坐标系下的数学模型,根据具体定子绕组接线的不对称情况,推导出电机定子端电压的约束条件。
After simply introducing some knowledge about the fundamental principle of MODEM, Hayes standard and universal asynchronous transceiver ( UART), this paper further discusses some important technology under DOS operation system to achieve remote maintenance in the remote terminal system. 在简单介绍了MODEM的基本原理、Hayes标准、通用异步接收发送器(UART)后,以DOS环境下的MODEM通信功能实现为例,阐述了在远动系统中实现远程维护功能的关键技术。
Calculation of Stator current of Three Phase Asynchronous motors Appling Terminal Voltage Suddenly& Using Matrix Analytical Method 三相异步电动机突加端电压时的定子电流计算&用矩阵分析法
Introduction was made to three phase dual speed asynchronous motor's stator winding normally used △/ 2Y, Y/ 2Y, and 2Y/ 2Y three wiring methods, stator wiring terminal test methods were separately given. These methods result in good effect in practical use. 介绍了三相双速异步电动机的定子绕组常用的△/2Y、Y/2Y与2Y/2Y三种接法,分别给出了定子绕组接线端的检测方法,这些方法在实用中收到了好的效果。
For the testing of entering network of the asynchronous terminal, it is necessary to design a kind of asynchronous-based physical layer reference implementation in PCTS. 为了对异步终端入网进行测试,需要在PCTS中设计一种基于异步的物理层参考实现。
The Time Division Multiplexing ( TDM) is adopted in passive optical network based on Asynchronous Transfer Mode ( ATM), so a receiver of the Optical Line Terminal ( OLT) operates on the burst mode. ATM无源光网络(PON)中上行方向采用时分复用(TDM)方式,光线路终端(OLT)的接收机工作在突发模式。
This paper presents the salient features of Asynchronous Transfer Mode ( ATM) ( cell, transmission technique, switching technique, terminal technique) and the BISDN network architecture based on ATM and introduces the application of ATM technique in INFOPORT Engineering. 论述了异步传送模式ATM的特征(信元、传送技术、交换技术、终端技术)以及基于ATM的宽带综合业务数字网BISDN的体系结构.详细介绍了ATM技术在信息港工程中的应用。
Thus a full duplex PPM wireless laser communication transceiver was implemented on a minimum MCU system with reliable quality and low cost. The transceivers act as a transparent data channel of universal asynchronous receiver transmitter ( UART), which connects two data terminal equipments. 以单片机最小系统实现一个简洁可靠、成本低廉的PPM调制全双工激光无线通信收发器,该收发器为两个数据终端之间提供一条透明的通用异步串行数据传输通道。
This paper uses it in asynchronous motor with light load, makes the electrical output torque and load match through regulating the motor terminal voltage. So it can enhance efficiency, achieve energy-saving purposes. 本文将其应用在轻载时的异步电机上,通过调节电机的端电压使电机输出转矩与负载相匹配,从而提高效率,达到节能的目的。
Monitoring equipment through RS-422 asynchronous serial interface and servo extension interface, terminal and calibration simulation source and emission system communicate with each other, and to control its operation. 监控设备通过RS-422异步串行接口与伺服分机接口、终端和标校模拟源以及发射分系统互相通信,并控制其运行。