查询词典 inverter

In this paper, their character of common topology and control method will be introduced. Finally, the Common-Mode Voltage being restrained and Power being balanced of cascaded inverter are researched.

本文详细介绍了目前级联多电平变换器常用拓扑结构、控制方法及它们的特点，最后就级联逆变器的功率平衡及共模电压抑制等问题进行了简要分析探讨。

A novel inverter output passive filter, which can not only reduce differential-mode dv/dt but also suppress common-mode voltage, is proposed.

提出了一种新颖的可以同时降低差模dv/dt和共模电压的逆变器输出无源滤波器。

This method has many strongpoints, such as realization briefness and better universality, moreover, this method also has better effect of suppressing multi-level inverter's common-mode voltage.

该方法具有实现简单、通用性强等优点，而且还具有较好的抑制多电平逆变器共模电压的作用。

The main loop of the system includes commutate circuit, filter circuit, inverter circuit, etc.

其中系统的主回路设计包括：整流电路、滤波电路、逆变电路等。

Its basic idea is to use ZVS circuit which makes the main circuit of inverter resonate at every beginning of carrier period, so each power devices can be commutate when the voltage of main circuit's DC bus line is zero.

其基本思想是，通过零电压开关电路使逆变器主电路在各载波周期起始时刻产生谐振，确保各功率开关器件在主电路P、N极间电压为零期间进行动作切换。

In this type of motors,the commutator is replaced by a phase controlled inverter.

然而这种方法不是任何时候都是可行的，当电动机电流超过某一定值时，换流就要失败。

The high-voltage high-power multilevel converter and AC motors drive techniques are summarized compendiously for domestic and overseas studies in the prolegomenon of this dissertation. The evolution and research status of multilevel converter topologies are analyzed, the development of AC variable speed techniques and the characteristic of DTC are discussed, also, the aim and significance for the research are demonstrated. In this dissertation, SVPWM pattern and implement method have been addressed comprehensively for three-level NPC inverter.

本文绪论部分针对国内外高压大容量多电平变换技术和交流传动控制技术作了简要综述，着重分析了多电平拓扑结构的发展和研究现状，讨论了交流调速的发展和直接转矩控制技术的特点，指出本文选题的目的和意义。

Central inverter is generally used in large-scale 3-phase PV installations, where strings of PV modules are connected in parallel necessitating complex DC cabling.

中央逆变器一般用于大型的3相逐装置，如串的光伏组件连接在与此同时，迫切需要对复杂的直流电缆。

Grid connected inverter ; three-level ; space vector ; fuzzy control

并网逆变器；三电平；空间矢量；模糊控制

With IGBT inverter welding machine-licensing its leading technology, high stability, reliability and excellent energy-saving performance at home in the welding industry has a good reputation and greater influence, widely used in China's missile and delivery Welding on the rocket, used in China's container production line; Isuzu car used in the production line; Shell 800,000 applications in Dayton ethylene project construction projects; applications installed in thermal power Engineering; application in Guangzhou Wenchong Shipyard production line… Han ID the company will take the U.S. electrical and Guangzhou-with the support, the United States will be the most advanced welding technology with China's most advanced welding technology organic integration, using "with sincerity" Business as a production base, production of international standards of cost-effective leading welding equipment.

同诚牌IGBT逆变焊机因其领先的技术，高稳定、可靠性及优异的节电性能在国内焊机行业中拥有良好的声誉和较大的影响力，广泛应用在中国的导弹和运载火箭的焊接上，用在中国集装箱集团的生产线上；应用在五十铃汽车的生产线上；应用在壳牌八十万顿乙烯工程建设项目上；应用在火电安装工程；应用在广州文冲船厂生产线上…瀚金公司将以美国ID电气和广州同诚为依托，将美国最先进的焊接技术与中国最先进的焊接技术有机融合，利用"同诚"等企业作为产品生产基地，生产具有国际领先水平的高性价比焊接设备。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。