three-phase alternating current

Based on the layer-optimized method, the devices of sandwiched structure are produced by compounding MEH-PPV and SiO 2 In three different voltage regions of alternating current, the devices luminesce differently.

在分层优化基础上，用MEH PPV和SiO2复合制成夹层结构器件，在交流电压的三个区域下，表现出不同的发光。

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This paper analyzes the usage of three-factor method in transient state of first-order alternating current circuit, getting the alternating current expression from direct current expression, and proves it by examples.

该文分析三要素法在一阶直流线性电路暂态中的应用，从直流激励表达式推导交流激励表达式，并通过实例加以证明。

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Exploitation of the untouched switch control for three-phase alternating current motor of roller path

辊道传动电机无触点开关控制器开发

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The power-saving way of the three-phase alternating current asynchronous motor was discussed on several respects of the control of optimal bearing power, replacement of old motor, control the end point voltage of motor and control of the rotation speed of motor.

本文从最佳负载率的控制、更换老旧电动机、调节电动机端电压、控制电动机转速等几个方面浅谈三相交流异步电动机的节电途径。

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Computer Test System for Aircraft Three-phase Alternating Current

飞机三相交流电计算机检测系统

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On the Electronic Soft Starter of Three-phase Alternating Current Asynchronous Motor

浅析三相交流异步电动机电子软启动器

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It provides a method for the untouched switch Control for three-phase alternating current motor.

为大功率三相交流电机的无触点控制提供一种方法。

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Several Energy Conservation Methods about The Three-Phase Alternating Current Asynchronous Motor

浅谈三相交流异步电动机几项节电方法

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Three-phase sine wave wave signal can be symmetrical three-phase alternating current after power amplifying.

三相正弦波信号经功率放大器放大后成为对称三相交流电。

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Digital Industrial-frequency Three-phase Alternating Current Parameters Instrument

数字式工频三相交流电参数仪

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Three-phase alternating current induction motor is widely used in industry, because of its reliability, ruggedization, and the cost of it is relatively low.

三相交流感应电机由于其可靠、坚固而且成本相对较低的特性而广泛应用于工业生产各个领域。

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Analysis of Equivalent Circuit of Controlled Source and Working State of Three-phase Alternating Current Motor

三相交流电机的受控源等效电路及其分析

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Three-factor method is used in first-order alternating current linear circuit

三要素法在一阶交流线性电路中的应用

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Operation principles and characteristics of several kinds of three-phase alternating current asynchronous motors and new type electronic soft starter are described, and some comparisons on advantages and disadvantages of such motors are made. The correct ways to select starters are pointed out.

介绍了三相交流异步电动机的几种传统启动器及新型电子软启动器的工作原理与运行特点，并作了优缺点对比，指出了异步电动机启动器的选择方向。

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The suction analysis of three-phase alternating current electromagnetic core

三相交流电磁铁的吸力分析

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According to the principle of electrophysiological magnetic, to electrify symmetrical three-phase winding with symmetrical three-phase alternating current to produce a rotating magnetic field.

采用电生磁的原理，给对称三相绕组通以对称三相交流电产生旋转磁场。

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Saber Emulation and Control of the Three-phase Induction Motor in Alternating Current Voltage Regulation Circuit

三相异步电机交流调压电路Saber仿真与控制

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Three-phase alternating current parameter data sampling module eda9033.

9033三相工频交流电参数数据采集模块。

provided by jukuu

Calculate bout unsymmetrical Three-phase Alternating current of Y-shaped join

三相交流电Y形连接的不对称计算

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Under this direction, we developed a kind of inverter power supply, and the parameters are as follows: ( 1) the input of three-phase alternating current;

根据这个特点，我们研制了一种高频、高压的大功率逆变电源，参数如下：（1）三相交流输入；

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In this paper, electromagnetic separator in which the travelling wave field is generated by three-phase alternating current, is introduced.

本文介绍了由三相交流电产生的行波磁场为原理做成的磁分离器。

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Common DC bus is mainly composed of rectification and inverter unit, with which three-phase alternating current becoming into fixed power direct current, then direct current is again converted into frequency and voltage adjustable alternating current by inverter to control motor speed.

公共直流母线技术主要由整流单元和逆变单元组成，三相交流电经过整流单元以后，变成一定功率的直流电，再经过逆变单元变成频率和电压可调的交流电源，用来控制交流电机的速度。

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The former can convert the unstable three-phase alternating current output of the generator into constant direct voltage, which will be used by the anti-skid device and the lead-acid battery.

电力变换电路由硬件电路实现，可将发电机输出的不稳定的三相交流电转换为电压恒定的直流电，供电子防滑器直接使用及为铅酸蓄电池充电。

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