本发明公开了减少功率逆变器在高频操作下的分谐波振荡。
The present invention discloses reduction of submultiple oscillation of power inverter in high-frequency operation.
针对大功率逆变器的应用介绍了一种基于不对称开关角的优化脉冲宽度调制方法。
A new optimal pulse width modulation (PWM) technique with unsymmetrical switching angles was introduced for high power applications.
在大功率逆变器的实时控制中，如何快速准确地计算出SPWM交点是一个关键问题。
How to calculate SPWM cross point rapidly and accurately is a key problem in the real time controller of high power inverter.
论文首先对多电平逆变器发展前景进行概述，介绍了大功率逆变器的拓扑结构及调制方法。
The topology and modulation method of high-power inverter is introduced. Described the implementation principle of multi-level inverter with cascaded H bridge based on 2-level control technique.
人们对逆变电源的要求越来越高，高性能、高可靠性的大功率逆变器就是当今逆变电源的发展趋势之一。
The requirement for inverters got higher and higher, and high efficiency and high reliability are the development trends.
在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。
In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.
在额定功率因素上施加150%额定负荷，并测量逆变器保护装置启动所需时间。
Apply150% rated load at rated power factor and measure the time required for the inverter protective devices to operate.
逆变器主电路的可靠性是变频器等功率转化装置安全合理使用的保证。
The reliability in power circuit of inverter is assurance for VFD and other power transfer application.
在系统的硬件设计中，处理器采用TMS320LF2407数字信号处理器（DSP）；逆变器采用智能功率模块（IPM），并采用高速光耦对其驱动。
In the area of hardware design, the system uses TMS320LF2407 DSP as microprocessor, and uses intelligent power module (IPM) as inverter, which is drived by high-speed optocouplers.
以应用于燃料电池逆变功率变换的阻抗源逆变器为例，分析了其工作原理和控制方法。
To describe the operating principle and control, this paper focuses on an example: a Z-source inverter for dc-ac power conversion needed in fuel cell applications.
指出PWM调制的优点和采用功率晶闸管有源逆变器的能量回馈技术的经济性。
It points out that advantage of PWM modulation and economy of active inverter's power feedback technique makes use of power thyristor.
研究了以功率MOSFET为开关管的串联谐振逆变器的频率跟踪问题。
The paper analyzes the phase-lock technique of serial resonant inverter with power MOSFET as switching device.
实践表明，该新型结构的功率变压器可以成功的在50kva软开关埋弧焊逆变器中应用。
It is approved that the novel high frequency power transformer can be applied on 50kva soft-switching submerged arc welding inverter successfully.
从理论和实践上探讨了弧焊逆变器的高频脉冲功率变压器的优化设计。
This pape studies the optimum design theory and practice of hight frequency high-power pulse transformer of arc welding inverter.
分析了逆变器并联时，各模块输出功率不平衡的原因。
The cause of output power unbalance between paralleled inverters is analyzed.
本文论述了可控硅逆变器逆变角影响串级调速装置功率因数的基本原理。
This paper discusses the basic principle which the inverted firing angle of thyristor inverter has the influence on power factor of a cascade connected device.
主电路中逆变器采用IGBT功率模块。
其基本原理是将交流电机的滑环输出功率通过整流电桥和有源逆变器送回交流电网。
The basic principle of the system lies in feeding back the output power at the motor slip rings of an AC motor into the mains through a bridge rectifier and an inverter.
整个电源由输入电路、功率因数校正器、主逆变器、输出滤波电路、辅助电源、均流电路等部分组成。
The system consists of the AC input stage, single phase PFC, main inverter, output low-pass filter, auxiliary power supply, and load current sharing circuit, etc.
主要论述了逆变器的功率流方向，分类，特点，应用场合，以及现在流行的逆变器拓扑的缺陷等。
The thesis mainly discusses the power flow direction, classification, characteristic, application of the inverter, and the drawbacks of the popular inverter topology.
分析了全桥逆变器功率变压器产生直流偏磁的机理；
The cause of the DC bias of the main transformer in the full bridge inverter has been analyzed.
并网逆变器采用最大功率跟踪技术，最大限度地把光伏电池转换的电能送入电网。
Grid inverter adopts maximum power tracing technology, which puts electricity energy transformed by photovoltaic battery into electricity grid.
并网逆变器采用最大功率跟踪技术，最大限度地把光伏电池转换的电能送入电网。
Grid inverter adopts maximum power tracing technology which puts electricity energy transformed by photovoltaic battery into electricity grid.
通过对光伏并网逆变器最大功率点跟踪、孤岛效应和并网控制等问题的分析，提出了具体的解决方案。
Not only the of maximum power point tracking and islanding protecting techniques, but also the technique for inverter to connected with grid are discussed in detail.
IGBT逆变器的作用是提供基波电压，并补偿无功功率，MOSFET逆变器则实现消除谐波电流的功能。
The function of the IGBT inverter is to support utility fundamental voltage and to compensate the reactive power. The MOSFET inverter fulfills the function of harmonic current compensation.
大功率GTO逆变器用于铁路电力牵引，其PW M控制与一般工业领域中的变频调速系统的PWM控制有很大不同。
High power GTO inverter is used for railway electric traction. Its PWM control is significantly different from variable frequency drive system in conventional industrial area.
其中逆变器、制动电路和保护电路均集成于大功率IPM模块之中。
The inverter module, the braking circuit and protecting circuits were integrated in high-power IPM module.
该系统以80c 196MC为控制核心，采用IPM智能功率模块为功率元件，组成了交直交电压型逆变器主回路。
In the system, Intel 80c196mc is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter.
该系统以80c 196MC为控制核心，采用IPM智能功率模块为功率元件，组成了交直交电压型逆变器主回路。
In the system, Intel 80c196mc is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter.
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