查询词典 converter

The amount of pulse width modulation pulse generators of the proposed modulation strategy is only the half of that of the traditional modulation strategy, which is of significant theoretical and practical value for the digital implementation of cascade multilevel converter.

该策略较传统的载波相移SPWM可以节省一半的脉宽调制(pulse width modulation，PWM)脉冲发生器，对级联型多电平逆变器的数字化实现有重要的理论和实用价值。

A novel hybrid diode-clamp cascade multilevel converter for high power application .

一种适用于高压大功率的新型混合二极管钳位级联多电平变换器。

As for the modulation method used to active power filter based on cascade H-bridge converter, the application of phase shifted multicarrier modulation had been reported.

对于级联H桥变流器应用于有源电力滤波器系统中时的调制策略，相移载波PWM调制策略的应用已有报道。

Experimental results prove that the shunt APF system with cascade multilevel converter based on CPS-SPWM can achieve excellent compensation effect even under much lower switching frequency. We can easily get to the conclusion: this method has a perfect prospect in industry application.

通过一系列实验验证了将基于CPS-SPWM技术的级联型多电平变流器应用于APF上能较好地实现对非线性负载引起的谐波及无功污染的补偿，有良好的工业应用前景。

A novel single-phase hybrid cascade asymmetrical multilevel converter is researched in the thesis based on AMC-SMC.

对于AMC-SMC结构，提出了一种新型单相不对称异构混合级联型多电平变换器。

In this paper, a shunt APF topology with cascade multilevel converter based on Carrier Phase Shifted PWM is presented. The systematic analysis of the harmonic and reactive power detection, AC side and DC side control, system parameter design and so on is done. The simulation study is carried out.imulation shows the APF system is of fast dynamic response and good compensation. Theory analysis and experimental system is feasible..

因此，本文将二者结合起来，提出了基于载波相移PWM技术的级联型多电平变流器并联APF系统的电路拓扑结构，并在谐波及无功检测、交直流控制策略和系统参数设计等方面进行了系统的分析，在此基础上进行了仿真研究。

A two-cell single-phase hybrid cascade asymmetrical multilevel converter is researched in the thesis based on AMC-AMC.

组合式不对称混合级联型多电平变换器拓扑的生成方法可以分为两种；同构组合以及异构组合结构。

Multilevel converter ; cascade ; topology ; module

多电平变换器；级联型；拓扑；模块

This thesis discussed the construction method for hybrid cascade asymmetrical multilevel converters,and some novel topologies are presented. Hybrid cascade asymmetrical multilevel converter can be derived by combining AMC and AMC,or combining AMC and SMC.

本文研究了组合式不对称混合级联型多电平变换器拓扑的生成方法，在此基础上提出了几种新型拓扑，重点研究了不对称同构混合级联型多电平变换器和不对称异构混合级联型多电平变换器。

The powder characteristics of the converter steel slag cooled naturally,with 210～485 m~2·kg~(-1) Blaine specific surface area,have been studied by using a 500×500 mm cement ball mill as grinding device in this paper.

采用500×500 mm球磨机，磨制了比表面积为210~485 m2.kg-1的慢冷转炉钢渣粉体，并对其粉体特性进行了研究。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐