查询词典 converter

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。

The grinding dynamic featurea of two converter steel slags,naturally cooled and water-granulated,have been comparatively studied using cement ball mill as grinding device in this paper.

针对冷却方式不同的二种转炉钢渣，采用水泥试验球磨机进行微细粉制备，分析比较了两者的粉磨动力学特性，导出了各自的粉磨速度方程。

The dependable calendar, clock, CPU meter, curreny converter, feed reader, maps and others are here to use.

不像Vista，他们不要打开后自动重新安装，所以你必须手动打开它们。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48