逆变技术

为了研究高性能、高效率的CO2焊接电源系统，本文引入了逆变技术，并使用IGBT作为功率器件。

This paper introduces inverter technology and uses IGBT as power component to research high performance and high efficiency CO2 arc welding power source .

采用MOSFET逆变技术，电路简易，体积小，重量轻，高效节能。

Using MOSFET inverter technology , Simple circuit small size , light weight , high efficiency and energy saving .

CT，X线机中逆变技术的应用

Utility of inversive changing technique in CT and X-ray equipments

串并联补偿式UPS逆变技术及故障研究

Study on inverting technology and malfunctions in series-parallel compensated UPS

应用逆变技术，其计算机控制以单片机为主控芯片，由PI算法实现外特性控制；

It is controlled by single-chip . The external characteristic controlling can be realized by PI algorithm .

IGBT逆变技术、工作频率高、高效、低躁音。

IGBT inverter high inverter running frequency , high efficiency , low noise .

利用大功率器件、逆变技术和PWM集成控制器，构成了一种新型的弧焊逆变电源。

There is a new - style arc - welding inverter , using powerful component and invert technique and PWM integrated controller .

逆变器采用全桥型的拓扑结构，利用了SPWM逆变技术，逆变电压控制通过简单的单环反馈实现，控制方法采用PID算法。

The inverter uses full bridge topology and SPWM technique . The inverter voltage is controlled by single closed loop feedback based on PID .

第二章详细阐述Delta逆变技术的主电路结构、控制方法等相关技术内容，并介绍了电网信号变量增量的三种检测方法。

In the second chapter , the main circuit , control methods and related technologies of Delta Inverter are discussed . Three methods of signal detection are also introduced .

给出一种基于SPWM双向逆变技术的蓄电池充放电控制系统设计方案。

This paper presents a scheme for storage battery 's recharge and discharge control system based on SPWM bi-directional inverter technique .

采用先进的逆变技术和MOSFET功率开关器件设计。

ZX7 Series MOSFET Inverters Arc Welder ( 1 ) The advanced technology of inversion and MOSFET power switch semiconductor is used .

基于Delta逆变技术的交流稳压电源既能进行瞬时的交流电压稳定补偿，又能提高整流输入端的功率因数，减少谐波对电网的污染，因而具有重要的实际意义和研究价值。

The power supply based on Delta inverter can stabilize voltage and improve the power factor of the input to reduce harmonics . Therefore it has important actual meaning and research value .

基于混合级联多电平逆变技术的静止同步补偿器（STATCOM）的研究

Study about Static Synchronous Compensator ( STATCOM ) Based on Hybrid Cascaded Multilevel Inverter

通过对逆变技术的研究，确定了逆变器主电路采用单相全桥逆变电路，控制方式采用单极性倍频SPWM的方式。

By studying the inverter technology , the paper used to determine main circuit of inverter single-phase full-bridge inverter with open-loop double-frequency unipolar SPWM .

为了研制高效节能、性能优越的CO2焊接电源，本文引入逆变技术针对电源的主电路、控制电路、驱动电路和送丝电路进行了研究和设计。

To build an efficient carbon dioxide ( CO2 ) welding power resource with excellent property , the inversion technology is applied to design the main circuit , the control circuit and the driver circuit .

逆变技术的日趋成熟和数字信号处理器的不断优化，使脉宽调制（PWM）技术在逆变电源中得到了广泛的应用。

As the maturing of the inverter technology and the constant optimization of digital signal processors , the pulse width modulation ( PWM ) has been widely used in the inverter technology .

在中压大容量变频驱动装置中，为解决电力电子器件耐压问题，基于PWM控制的多电平逆变技术得到广泛应用。

In order to resolve the voltage sustaining capability problem of power electronic devices , multilevel inversion techniques based on PWM control are widely spread in medium-voltage and large-capability Adjustable-Speed Drives ( ASDs ) .

研制了由焊接电源和送丝系统两部分组成的低能量电弧焊接系统。焊接电源采用IGBT逆变技术，以数字信号处理器（DSP）TMS320F2812为控制核心；

The low energy input arc welding system which consist of welding power source adopt IGBT inverter technology and wire feeding system contain AC servo-motor and servo-driver has been researched .

在PWM电机驱动系统中，多电平逆变技术可以降低系统中的共模电压和谐波含量，但是由于开关频率是固定的，在开关频率处的谐波仍很大。

Applications of multilevel inverter can reduction of the common mode voltage and harmonic components in PWM motor drive systems . However , the harmonic component on switching frequency is still very high because of the fixed switching frequency .

在电力电子技术领域中，逆变技术有着其重要地位，它是现代电力传动系统中的主要支撑，是不间断电源（UPS）的核心技术。

In the field of power electronics , Inversion Technology plays an important role . It is the main supporting technology of modern electric drive system and the core technology of Uninterruptible Power Supply ( UPS ) .

该焊机由于采用了中频逆变技术，使其效率和功率因数都有较大幅度的提高，不但减小了体积，减轻了重量，而且具有比传统TIG焊机更精密的控制、调节性能等。

Compared with the conventional TIG welding machine , this new inverter proves to have much higher efficiency and power factor , less volume and weight , and especially , more precise parameter control .

采用了直流斩波和全桥逆变技术，以IGBT为直流斩波元件、IPM模块为全桥逆变元件实现了高压电源的高效小型化。

With technology of DC chopper and H-bridge inverter used , IGBT is used as DC chopper and IPM is used as H-bridge inverter to realize a small volume of the power source .

随着变频技术的快速发展，逆变技术、PWM调制技术等相关领域都有了长足的发展，但作为变频器输入级的高功率整流器等技术却相对发展较慢。

With the rapid development of variable frequency technology , the inverter technology , PWM technology , and other relevant areas also have a considerable development . But rectifier technology which serves as the input unit of the high-power converters has developed slowly .

而基于电力电子逆变技术的无功补偿装置STATCOM由于采用了GTO、IGBT等大功率全控型器件，因此能够更快速、更有效的补偿系统中的无功功率。

Based on the electronic inverted technology , STATCOM can be faster and more effective to compensate the reactive power in power system , in which GTO and IGBT are be used .

设计的电源运用了IGBT高频逆变技术、微电脑控制技术和软开关变换技术等，具有体积小、重量轻、抗干扰强、可靠性高等特点；

High frequency inverse technology of IGBT and micro-computer control engineering and varying the gentle switch technology are used in design of power , which possesses the characteristics of small volume , light weight , strong anti-jamming and high reliability etc.

HDY-125型恒电位仪利用逆变技术研制而成。

HDY 125 constant potential instrument is developed by using the inverter technology .

利用高频功率电子开关逆变技术，在TIG焊接电弧回路中施加调制信号，对应着调制电流的上升沿和下降沿可分别激发出电弧超声。

With the addition of modulating signal to the TIG welding loop by the high frequency power electronic switch inverting techniqUe , the arc ultrasonic has been excited corresponding to the rising edge and the descending edge of the modulating electronic current .

本装置基于高频逆变技术和磁耦合技术，通过采用串联谐振的半桥ZVS拓扑结构，实现软开关，进而降低装置的损耗，进一步地改善系统传输性能，提高效率。

The device based on high-frequency inverter technology and magnetic coupling technology , by the use of series-resonant half-bridge ZVS topology , to achieve soft-switching , thereby reducing the wear of the equipment , further improving the system transmission performance and the efficiency .

本文针对能源紧缺，电梯节能的迫切需要，基于技术创新，节能环保的设计思想，在现有逆变技术的基础上，本课题设计了以AVR单片机为核心的电梯能量回馈系统。

In the face of energy shortages and the urgent need of energy-saving of elevators , according to the current inverter technology , we designed an energy feedback system with AVR microcontroller at the core , which is based on technical innovation and the idea of energy saving .

整个系统的实质是进行能量变换，其能量变换关系为AC-DC-DC或DC&DC-AC，通过整流逆变技术和直流变换技术实现电能的双向流动。

The function of this system is bidirectional energy conversion , which has the converting form of AC-DC-DC and DC-DC-AC. The bidirectional energy flow is realized by rectifying and inverting and DC-DC converting .