变频器

该系统通过自动化仪表、变频器、编码器及PLC的相互结合，可实现转鼓的精确调速，提高水渣品质。

Drum rate can be accurately adjusted and water slag quality improved by combining automatic equipment , frequency transformer , coder and PLC .

变频器在螺旋焊管机组主驱动中的应用

Application of Frequency Transformer in Main Drive of Spiral Weld-pipe Set

串联H桥多电平变频器中的功率平衡方法

A New Power Balancing Method for Cascaded H-Bridge Multilevel Inverter

切粒机的PLC和变频器控制在该机上验证了D。

The PLC and Frequency Converter Control in Granulating Machine and D.

基于DSP的中频变频器与PC机的串行通信

Serial Communications between the Microcomputer and Middle-Frequency Inverter Based on DSP

PLC控制变频器调速系统

Design of Speed System for PLC Control Frequency Converter Changer

基于PLC和变频器的龙门刨床改造

The Improvement of Double housing Planner Based on PLC and Frequency Converter

基于DSP的三相交-交变频器控制系统

The control system of 3-phase cycloconverter based on DSP

PLC控制变频器在印报机中的应用

Application of Frequency Inverter Controlled PLC in Printer

介绍用变频器PID闭环控制改造的措施及效益。

The measure and benefit of inverter PID closed loop control reformation were introduced .

本系统通过I/ASeries、变频器、压力变送器等设备来实现涤纶短纤维纺丝生产的自动控制。

The automatic control of staple spinning process was realized by using I / A series , inverter and pressure transmitter etc.

一种适用于通用变频器的载波型PWM控制方案

One Carrier-based PWM Control Scheme Suited for the Purpose Inverter

电流跟踪型谐振式PWM交-交变频器

Current - tracking AC-AC Cycloconverter of Resonant PWM Technique

高压变频器PLC监测保护系统的功能设计和实现

Design and Accomplishment of PLC Protection and Monitoring System in High Voltage Three Level VSI Drive System

本文介绍了H桥级联型高压变频器的拓扑结构和工作原理，并进行了必要的理论分析；

In the paper , a topological structure and work principle of H bridge high voltage converter were mentioned .

PWM控制方式下死区对变频器性能的影响分析

Analysis of the Influence of Dead Time on Inverter under the Control of PWM

一种平面结构的V波段上变频器

A planar structure V-band up-converter

设计了利用PI调节器、PLC和变频器实现自动恒压供水的控制系统。

Designed a water supplying system with automotive constant pressure based on PI and PLC technology .

然后介绍回收氮气压力的控制过程及PID控制器与变频器的联接方式。

Then introduced the connections of the recycling nitrogen pressure controlled process and PID controller and frequency inverter .

基于SVPWM变频器的Matlab仿真及硬件实现

Matlab simulation and hardware realization of SVPWM frequency converter

关于PWM变频器特性的测量方法

Characteristics Measuring of the PWM Frequency Convertor

采用Visualc++编制了为变频器提供控制曲线的编辑器。

The editor of control curve , which is designed for frequency changer , was developed with Visual C_ ( + + ) .

基于VB的计算机与三菱变频器通讯及监控软件设计

Design of Communication and Supervise-Control Software between Computer and Mitsubishi Inverter Based on VB

同步电动机步进控制的IGBT变频器研究

A Study on Step Motion Control IGBT Converter for Synchronous Motor

降低变频器输出电压变化率的LC滤波器设计

LC Filter Design for Reducing the Changing Rate of the Inverter Output Voltage

PWM变频器供电的异步电动机稳态损耗与谐波电流计算模型

A Motor Model for Calculating Steady Loss and Harmonic Current of Induction Motor Powered by PWM Converter

小功率电压源PWM变频器通过匹配的变压器与其他变压器串联。

A small-rated voltage-source PWM converter is connected in series to the transformers through a matching transformer .

本文综述了高电压大容量变频器技术的发展现状，给出了串联H桥多电平变频器的主回路的拓扑结构和工作原理。

This dissertation overviews the current development situation of high voltage high power converter , and introduces the topology structure and working principle .

IGBT直接高压变频器在高炉水冲渣系统的应用

Application of IGBT high-voltage converter to the slag-washing-out pump

高压变频器分段SPWM控制策略的实现研究

Research and implementation of medium-voltage inverter based on time-segment SPWM control strategies