查询词典 converter

The main products of our company are LED-column type digital display transmitter, alarm display converter, polling system alarm instrument, intellectual adjusting instrument, flux integrating controller, Q,D instrument, rack-mounted, wall-mounted, clamp type instruments, flashing alarm instrument, three-phase controllable silicon temperature controller, diffused silicon pressure/fluid level transmitter, capacitance voltage/pressure transmitter, thermocouple, thermo-resistance, bimetal thermometer, onsite thermal calibration devices, automation device.

公司主要生产光柱数字式显示变送仪、显示变送报警仪、巡检变送报警仪、智能调节仪、流量积算控制仪、Q、D型操作器、架装式、墙挂式、卡式仪表、闪光报警器、三相可控硅微处理温度控制柜、扩散硅压力/液位变送器、电容式差压/压力变送器、热电偶、热电阻、双金属温度计，现场热工校验装置、自动化成套设备，可广泛地应用于炼油、化工、建材、轻工、冶金、纺织等行业的温度、压力、流量、液位等参数的自动化监测和控制。

It accelerated the development of three-phase converter.

大大促进了三相变流器的发展和研究。

Design and thermal analysis of the heatsink is important technology in three-phase PWM converter design.

散热器的设计和散热分析是三相PWM变流器设计的关键技术。

Auto three-way catalytic converter is one of the key auto parts.

汽车三元催化转化器是汽车关键零部件之一。

The total test result showed that the studied three-way catalytic converter and engine was in good matching.

研究结果表明：所研究的三元催化转化器与发动机匹配良好。

Not only does it provide a throaty, yet comfortably quiet exhaust note, the system also includes 3-way catalytic converter technology to reduce exhaust emissions.

它不仅提供了throaty ，但舒适安静的排气注意到，该系统还包括三效催化转化器技术，以减少废气排放。

Companies specializing in digital network monitoring, digital video and data communications product research and development and production, successful research and development Tigereye series, Cerberus series of MPEG-1, MPEG-4, H.264 network monitoring systems and digital audio and video acquisition card, SupeScan power, the environment and image monitoring system, JS series Guangduan Ji, data multiplexer, data-machine, E1/10Base-T/V3.5 converters, optical transceiver, communications transmission Access and interface protocol converter products.

公司专业从事数字网络监控、数字视频和通信数据产品的研发与生产，成功地研发Tigereye系列、Cerberus系列MPEG-1、MPEG-4，H.264数字网络监控系统及音视频采集卡，SupeScan动力、环境及图像监控系统，JS系列光端机、数据复用器、数据交叉机、E1/10Base-T/V3.5转换器、光纤收发器等，通信传输接入、接口协议转换器产品。

According to the control features of the converter tilting system and the current control the problems.

根据转炉倾动机构负载的控制特点，以及目前控制方式存在的问题提出了改进的方法。

The topological structure of a new type of static synchronous compensator, which consists of traditional 12-pulse converter and a cascaded H-bridge, is presented. The purpose of designing such a topological structure, which integrates the concepts of multi-level, soft-switching and re-injection, is to reduce the voltage harmonic content at AC side and to solve dynamic voltage balance among the switches connected in series.

介绍一种新型H桥级联静止同步补偿器(static synchronous compensator，STATCOM)的拓扑结构，它由传统的12脉冲变换器和一个H桥链构成，结合了多电平、软开关和注入技术，降低了交流侧电压谐波含量，解决了串联开关动态电压平衡的问题。

The paper reviews the phylogeny of the LCD, describes the recent development situation of LCD-TV and several authority investigation institution do its prospective forcast. The research of the switching power supply, future development t rend is given in the paper. Outlines of LCD-TV technology, introduce the sort of topological structure. The BUCK type converter topological structure and the systematical basictheory were put emphasis on; the PFC, the reasons of power factor simply and the core of L6562 were analyzed, emphatically on the application circuit of this core, and account the design parameter of the application circuit. The sort and control mode of PWM, the control core of UC3846 and OB2262 were explained, the application circuit of this core were specific analyzed, practice picture in the real circuit uses oscilloscope were educed and contrastive analysis in this research.

本文回顾了LCD的发展史，介绍了LCD-TV发展的近况和一些权威调查机构对其未来的预测；对开关电源的研究概况和它的发展趋势作了总结；总体介绍了LCD-TV电源的结构及工作原理、拓扑结构的分类，着重研究了BUCK型变换器的拓扑结构及工作原理；对PFC作了综述，研究了功率因数降低的原因，重点介绍了L6562芯片，对此芯片的应用电路作了具体分析，并对芯片外围的设计参数作了分析研究；研究了PWM的分类和控制模式，对控制芯片UC3846和OB2262分别进行了重点说明，详细研究了基于UC3846的PWM设计，用示波器对其实际电路进行了抓图，并对比分析实际波形。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。