The main converter commutation process due to regenerative braking is also analyzed, and reasons of regenerative overturn caused by pantograph ju…
文章还分析了再生制动时主变流器的换相过程，并对跳弓拉弧时引起再生颠覆的原因也作了说明。
The system characteristics of main converter drive control unit of Central China Star AC drive EMUs is described. Thehardware and software functions are introduced in details.
阐述了“中原之星”号交流传动电动车组主变流器传动控制单元的系统特点，并对其硬件功能和软件功能做了详细的介绍。
Maintenance department: maintenance industries circuit boards, machine equipment system, main board, controller, power supply, frequency converter, PLC and touch screen.
维修部：维修各行业电路板，机加工设备系统，主板，控制器，电源，变频器，PLC触摸屏等。
The scanning converter supplies two communicative ways:RS-422 and RS-232. Through these ways the main controlling system controls the brightness, contrast, saturation of output pictures.
为了便于丰控系统控制扫描转换器的输出图像的亮度、对比度和色饱和度，扫描转换器提供了RS-422和RS-232两种通信方式。
Switching converter may translate one kind of DC electric power into another or more one, and is the main part of DC switching power supply.
开关变换器能够将一种直流电能转换成另一种或多种直流电能，是直流开关电源的主要组成部分。
This article presents the main elements of an energy storage system based on a superconducting coil and a controlled power converter.
本文提出了一种基于超导线圈与可控电力变换器储能系统的主要元件。
The main parts of the aircraft VSCF electrical power system consist of the no-brush AC variable frequency generator, converter and controller.
飞机变速恒频电源系统的主要部件有无刷交流变频发电机、变换器和控制器。
It probes into main factors affecting sulphur content in medium carbon ferrochromium in converter practice, points out measures to decrease the sulphur content.
论述了影响转炉法中碳铬铁含硫量的主要因素，指出了降低转炉法中碳铬铁含硫量的措施。
Full-Bridge converter is the main circuit topology of the inverter.
论文选取全桥变换器作为主电路拓扑。
It presents the circuitry diagram of the main loop of electric drive system and the external wire-connection diagrams of PLC and converter.
给出了电力拖动系统的主回路电路图、PLC和变频器的外部接线图。
According the operation mechanics of the SCES system, its main circuit containing bi-directional DC-AC-DC converter was designed and its unified model was built.
从超级电容器储能系统的运行机理出发，设计了含双向DC - AC - DC变换器的超级电容器储能系统主电路结构，并建立了其统一模型。
So this novel converter has a wide application and huge economy effect in power converting field, especially in the high voltage and high power feild where IGBT is used as the main switch.
尤其适合以igbt作为主功率开关管的高电压、大功率功率变换，具有广泛的应用前景和巨大的经济价值。
The main low life causes of tapping hole are found after analyzing damaged mechanism of tapping hole of 30t converter.
分析30t转炉出钢口损毁机理，找出寿命低的主要原因。
The main cause to the wear of magnesite-carbon bricks at the tunnel head of converter is analyzed, counter measures adopted and then better results achieved as well.
介绍了转炉炉帽镁碳砖损毁的主要原因、采取的相应措施、取得的良好效果。
In the foundation treatment for the converter of main plant building of large scale steel mill, it is the first time to replace conventional pile foundation design by grouting technique.
在大型炼钢厂转炉主厂房的地基处理上，首次引进注浆技术取代常规桩基设计。
This paper analyses the disturbances components of energy storage device and load in main circuit based on the practical application of switching converter.
本论文从开关变换器实际应用的场合考虑，分析了变换器主要储能元件以及负载的干扰因素成分。
Phase - shifted converter realizes zero - voltage - switching with the use of leakage inductor of the main transformer, however, the realization of ZVS for lagging bridge leg is difficult.
移相控制全桥变换器能够实现开关管的零电压开关，但滞后桥臂难度很大。
The DSP sends out the phase shifting control signal and then that amplified by IR2110 chip. It can realize ZVS of the full bridge converter main power switch by the phase shifting drive control.
由DSP发出移相控制信号并经芯片IR 2110驱动放大，在移相驱动信号的控制下可以实现全桥变换器主功率开关的ZVS。
The circuit composition, functional characteristics, main parameters and application effects are presented for the real-time detecting system for converter load test of SS8 electric locomotive.
介绍ss8型电力机车变流装置负荷试验实时检测系统的电路组成、功能特点、主要技术参数及应用效果。
The system adopts asymmetry half bridge structure, which makes the main power converter fault tolerant.
由于设计采用了不对称半桥结构，提高了系统主功率电路的容错性。
Steel converter is the main equipment in steel-making, and the drive mechanism, trunnion bearing, is the key component of steel converter.
炼钢转炉是炼钢生产的重点设备，而转炉的传动机构——耳轴轴承又是炼钢转炉的关键部件。
The control core of frequency converter composed of the single chip microcomputer AT89C51 and sine PWM chip SLE4520, the main circuits and flow charts are given also.
使用AT 89 C 51单片机和SLE4520正弦pwm信号专用芯片作为变频部分的控制核心，给出了主要部分电路原理图和软件流程图。
The control core of frequency converter composed of the single chip microcomputer AT89C51 and sine PWM chip HEF4752, the main circuits and flow charts are given also.
使用AT 89 C 51单片机和HEF4752正弦pwm信号专用芯片作为变频部分的控制核心，给出了主要部分电路原理图和软件流程图。
By analysing principle, hydraulic pressure, seal, the feasibility of oil pressure method about main gear in striking refinement vanadium steel converter are discussed.
通过对油压法的原理、液压力、密封等进行分析，阐明油压法在提钒转炉大齿轮拆除中的可行性。
Though PWM modulation technology has already been used in power converter abroad, it becomes a main reason which can produces EMI because PWM modulation signal contains abundant high harmonic.
PWM调制技术已广泛应用于电力电子技术中，但PWM调制信号含有大量的高次谐波，成为产生emi的主要原因之一。
This paper introduces the three-way emission control technology and the principle of auto exhaust catalytic converter. The main composition of the three-way-catalyst is also reviewed.
介绍汽车尾气三效催化净化技术及净化器的主要工作原理，并对三效催化剂主要成分： 载体、 涂层、 活性催化剂及助剂进行论述。
This paper analysis the work conditions of automotive catalytic converter, points out its main forms of failure and their causes.
本文分析了汽油机催化转化器的工作条件，指出了催化转化器机械破坏的主要原因和破坏形式。
The thesis firstly analyzes the converter principle of operation and the circuit characteristic, used the PSPICE software to carry on the simulation analysis to the main circuit.
本文首先分析了该变换器的工作原理和电路特性，使用PSPICE软件对主电路进行了仿真分析。
A detailed analysis is made about the series resonant DC DC converter on such matters as the composition principle of the main circuit, the circuit topology and existing state sequence.
对串联共振型DC DC变换器主电路的构成原理，电路拓扑和存在的工作模式进行了详细的分析讨论。
Prefer those with knowledge about the main components such as transformer, converter, gear box, motor, traction system, train control system etc.
熟悉主要部件如变压器，电机，变流器，齿轮箱，牵引系统及列车控制系统等。
应用推荐