查询词典 invertor

The auther finished the analysis for testing platforms of the auxiliary invertor system of electric locomotive. The result shows that the improved test platform can not only test the performances of the auxiliary inverter of electric locomotive but also can save lots of energy.

本文开展了试验平台主电路拓扑结构的研究，提出了几种改进型电力机车辅助逆变器测试平台的主电路拓扑结构方案并进行了比较分析，其中改进型的结构方案不仅能有效测试辅助变流器的性能，而且能节约能源。

In order to pump water for the people under the uncommon condition of the frequency invertor ,this systerm has designed manual-controller.

为了防止自动系统发生故障，本设计做了手动控制器。关键词：恒压变频供水；PLC；变频器

A detailed analysis of the main circuit introduction, control method and working principle of the direct-drive wind energy conversion system are given to introduce the two important parts a of this paper: First part is the control method of the multiple boost convertor, the important instantaneous current control method of this paper is given through the analysis of the main circuit structure, control method and working principle. Then a steady-state analysis for low-frequency, a high-frequency component analysis, and a closed-loop tracking performance analysis for dynamic response are provided to analyze the method proposed; And the second part is the control method of invertor.

在系统变流器整体结构分析的基础上，引出本文重点研究的两个变流环节的控制：第一部分是系统升压斩波器的控制，通过分析相关主电路结构、原理，建立了数学模型，引出本文重点研究的瞬时值控制策略的概念和具体实现，并对升压斩波器的瞬时值控制策略进行了详细的高频、低频模型分析和稳态、动态性能分析；第二部分是系统并网逆变器的控制，通过对逆变器主电路的数学建模和控制要求分析，研究了并网逆变器的瞬时值控制策略，包括电感电流控制内环和直流电压控制外环的具体设计和实现方法。

The author builds up a macro-model and calculates the power dissipation and gain of an LDMOS invertor by using the model.

功耗增大使器件发热量增加，温度上升，导致器件的可靠性变差。

In actuates the source specially as the equipment in the motor control, can supply the demand through the invertor the voltage and the electric current, but controls the rotational speed and the driving torque freely.

特别在作为设备驱动源的电动机控制中，通过逆变器能够供给需求的电压和电流，可自由地控制转速和驱动转矩。

Through analysis to multilevel invertor a method of switching angle control for Diode-clamping Multilevel Inverter is introduced. The quantity of wave for output voltage is improved and the content of harmonics is reduced. And a design is carried on to realize the control mode based on TMS320F2407DSP.

通过分析多电平逆变器的拓扑结构，选择二极管箝位型多电平逆变器为研究对象，提出在二极管箝位型逆变电路中实现开关角控制的方法，该方法减少了谐波的含量，改善了输出电压的波形，并以TMS320F2407DSP为平台进行了设计实现了该控制策略。

The man-machine interaction is very convenient and fast, and it has function of self-adapting and self-diagnosing. It provides the solid basis to prepare the new invertor of intelligence, digit, information and adapting the industrial field bus technology

同时，具有自适应、自诊断功能，为新一代智能化、数字化、信息化的电—气转换器、定位器的研制以及适应工业现场总线技术打下良好的基础。

The presented system is very convenient to monitor the parameters of every invertor on line and realize the telenet control. The method can reduce electric connections and improve the anti-interaction capability of the system. Thereby a scheme for dyeing-printing automation with low-cost and high-performance is provided.

该系统可以对各变频器的运行参数进行在线监测，并进行远程控制，能有效地减少系统布线、提高系统的抗干扰能力，为印染自动化提供了一个低成本和高性能的方案。

A schematic of invertor, and layo

自己编制的一个图形编辑菜单软件

Hysteretic-current-loop PWM invertor is its main circuit.

转速闭环采用带限幅的PI调节器，主电路采用电流滞环控制PWM逆变器。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。