查询词典 converter

In this process, it is necessary to achieve the synchronous converter of occupational mobility and status, in employment, housing, social security, social status, values, lifestyles and so on convert to the cities' citizens, and it is a socio-economic process, there is bound to have a lot of obstacles or facing a lot of questions, to research the traditional peasants to modern civilization, to accelerate China's economic and social development has important practical significance.

在这一过程中，要实现职业流动与身份地位的同步转换，在就业、住房、社会保障、社会地位、价值观念、生活方式等方面向城市市民转换的社会经济过程，必然存在许多障碍，面临许多问题，研究传统农民脱胎换骨走向现代文明，对加速我国经济社会发展有重要的现实意义。

The principle is stated of asynchronous and synchronous voltage-frequency converter s with VFC110 and AD652 as examples.

以VFC110和AD652为例，介绍异步和同步两种电荷平衡式电压频率变换器的工作原理、计数测频方案，进行变换误差分析，比较两种电压频率变换器的特点。

The paper is based on the project"Theoretical Research and Design of KeyTechnique for Power Management IC". And it mainly deals with the design of highefficiency synchronous Buck DC/DC converter with novel soft start IC.

本论文基于西安电子科技大学科研项目&电源管理类集成电路关键技术理论研究及设计实现&，主要研究带有新型软启动的高效同步降压型DC/DC转换器的工作原理和电路设计。

SSC-C3010 is a single chip duplex asynchronous to synchronous converter.

南南合作- C3010是一款单芯片全双工异步同步转换器。

A synchronous rectifier Buck converter using FC-IPEM is built to test the electrical performance.

采用半桥FC-IPEM构成同步整流Buck变换器，进行了电气性能测试。

Synchronous Converter ;Generator; Synchronous Generator;Motor;Motor Generator; Synchronous Motor;Hand Generator;None

同步转换器；发电机；同步发电机；电动机；电动机发电机；同步电动机；手摇发电机；无

This article mainly introduces the advantage of synchronous multi-phase DC/DC converter in decreasing ripple current and increasing efficiency and gives result of simulation and practice.

像这样低电压和大电流的电源主要存在两个问题：①由于输出电压极低，很难提高电源效率；②由于负载电阻极低，若采用传统方式

The analysis, simulation, modeling and implementation of an active-clamp forward converter with center-tapped synchronous rectifiers are presented in this thesis.

中文摘要本论文探讨具中间抽头同步整流之主动箝位顺向式转换器之电路分析、模拟、建模与研制。

To meet the requirement for the low-voltage and high-power output,direct-drive wind power generation system employed the topology which combines the dual-three phase permanent magnet synchronous generator and parallel converter technique.

为满足低压大功率输出的要求，直驱式风力发电系统采用双三相永磁同步发电机和变流器并联技术相结合的拓扑结构。

This paper attempts to associate PFC technology with Quasi-Resonant DC/DC Converter and Synchronous Rectifier technology, to work out a novel switching power supply with higher efficiency and low contamination, which both achieved high power factor, improved effecting on electrical network and ensured high efficiency, furthermore, it is easy to be realized and controlled in circuit.

本文首先阐述了开关电源、功率因数校正技术和同步整流技术的发展及现状，对DC/DC变换的拓扑结构进行了选择，确定了带有隔离的准谐振(Quasi-Resonant)反激型电路，可以有效地降低损耗；接着本文对几种常见的PFC拓扑电路进行分析对比，从中选择了BOOST型电路，对工作在临界状况下的电路进行了分析，采用跟随输入电压的升压变换新技术，减小了电感体积，同时降低了开关管的电压应力，既简单又有效地实现了功率因数校正，并发现此技术值得推广；由于反激型变换器的效率一般都较低，所以本文在传统同步整流技术基础上对其加以改进，设计出一种新颖、高效的同步整流方案。

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