查询词典 Bessemer converter

With regard to the converter of SRD system, the thesis firstly gives the study of the topology of converters that have the least main switches, and then lucubrates the single switch per phase converter with C-dump energy recovery circuit.

在功率变换器的优化设计方面，本文在对于具有最少开关数的功率变换器拓扑结构进行研究的基础上，深入研究了其中带存储电容斩波回收型功率变换器。

The converter is composed of two dualtransistorforward converter,coupled with a single high frequency transformer which has two secondaries.

三相功率因数校正电路的直流输出电压通常较高，有时高达750～800V，这就要求提高后级DC/DC变换器中开关管的电压耐量。

The main cause of deformation of a converter shell is temperature rising of the converter shell, a economical and effective method to reduce the temperature and creep deformation is adopting a heat insulation layer of asbestos board.

转炉炉壳温度升高是炉壳变形的主要原因，采用内衬石棉板隔热是降低中小型转炉炉壳温度、减轻炉壳蠕变变形的经济有效措施之一。

The technique of audio frequency slag melting has been exploited for top and bottom combined blown converter in 150 t combined blowing converter of Tangshan Iron and Steel Company.

在唐钢150 t复吹转炉上开发出适用于百吨以上顶底复吹转炉的音频化渣技术，并根据音频曲线实现了转炉吹炼操作的量化分级管理。

A composite cascade multilevel converter composed of a main converter and an accessorial one is presented which is well suited for application in high voltage situations with high performance requirements.

针对高电压、高性能功率变换场合的需要，提出了一种主从组合式多电平变换器的拓扑组合结构，具有输出波形质量高、输出电压等级高和功率转换效率高等特点。

In addition, for the same power capability, the cascaded converter requires less number of main power components such as main valves and main diodes.In this paper, cascade H-bridge converter with CPS-SPWM technique has been proposed, which is the combination of cascade structure and CPS-SPWM technique.

本文提出了基于CPS-SPWM技术的级联H桥型多电平变流器，它是CPS-SPWM技术与级联H型变流器拓扑结构的结合，同时具备二者的优点，在大功率变流器领域具有很好的应用前景。

This approach has the advantages of simple circuit, accurate detection and good robustness. Two kinds of topologies in Active Power Filter have been proposed, including APF based on cascade converter with phase-shifted SPWM technique and APF based on current source multimodular converter with phase-shifted SPWM technique.

本文提出了两种基于相移SPWM技术的并联型有源电力滤波器的拓扑结构：基于相移SPWM级联型变流器的电压源型APF，基于电流型相移SPWM组合变流器的电流源型APF。

Five versions of the vane cascade systems for the torque converter with the same basic geometric parameters were designed and the steady comparative experiments of these 5 versions versus the base version of W305 torque converter were performed.

在基本几何参数一致的基础上，设计了5种液力变矩器叶栅系统方案，并且对包括W305型液力变矩器比较基型在内的6种方案进行了稳态试验比较分析。

This paper analyzes on the faults of the frequency-converter of the coal cutter, and introduces the developing schemes, principles and applications of the vibration test stand of the frequency-converter.

分析了采煤机变频器的故障，介绍了变频器振动实验台的研制方案、原理以及使用情况。

The automatic control system includes system unit and accessory equipment as well as AD converter, DA converter, memory SCR current convertor, hydraulic valves, pumps, voltage, current and pressure transmitters, switching amount I/O board, top hammer, valve position collector, displacement sensor, hexahedron crown and synthesizing block.

一种六面顶高压合成压机自动控制系统，包括：主机及其附属设备，还有A／D、D／A转换器，存贮器，可控硅变流器，液压阀组、泵组，电压、电流、压力变送器，开关量输出、输入板，顶锤、阀组位置采集器、位移传感器，六面顶，合成块。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。