查询词典 rectifier instrument

This invention relates to a cascade multiple zero-type matrix rectifier, in which, a general input filter is connected between a net and a step-down transformer to get sine-wave input current, the step-down transformer includes n secondary windings with Yn spliced mid lines, the phase of all the three-phase windings is the same, the rectifier array is arrayed in a 1 row x n lines by n zero-matrix rectifier units, each line of which is connected with the seconday winding of the step-down transfornmer, and the outputs of the rectifier units are serial orderly to form a DC output, the general controller is responsible for regulating work of the entire system and connected with the branch controllers by signal cables to control the work of the rectifier units in the array.

本发明涉及一种级联多重化零式矩阵整流器，总输入滤波器连接在电网与降压变压器之间，滤波得到正弦波形的输入电流，降压变压器有n个Yn接带中性线的次级绕组，所有三相绕组相位相同，整流器阵列由n个零式矩阵整流器单元排成1列×n行的阵列，阵列中每一行与降压变压器的一个次级绕组对应连接，阵列中整流器单元的输出依次串联，形成一路直流输出，总控制器负责控制调节整个系统的工作，并通过信号电缆与各个分控制器联络，控制整流器阵列中每个整流器单元的工作。本发明由低压小功率的变换器串联得到幅值可调的高压直流电源，同时在电网侧得到位移为零的输入电流，具有网侧四象限运行能力等优点，适用于中高压直流供电领域。

Management content: The company product mainly covers the microscope, the tool maker's microscope, the projecting apparatus, the sclerometer, the thickness gauge, the magnifying glass, the balance, the measuring instrument quantity meter, the mapping equipment, the metering equipment, to test the instrument, the electrochemistry instrument, the physical instrument, the analytic instrument, the biochemistry instrument, the non-destructive inspection, the medical instrument, the processing machinery and so on altogether 28 broad headings, 170 minor sort large-scale specialized precision instrument measuring appliance sale enterprises.

经营内容：公司产品主要涵盖显微镜、工具显微镜、投影仪、硬度计、测厚仪、放大镜、天平、量具量仪、测绘仪器、测量仪器、实验仪器、电化学仪器、物理仪器、分析仪器、生化仪器、无损检测、医疗器械、加工机械等共28大类，170余个小类的大型专业精密仪器仪表价格企业。

In plotting scene, the invention connects fiber-optic gyro(1) with full station instrument telescope(3) by adaptor(2), and make optical fibre gyro can follow full station instrument telescope simultaneously do 180 degree turning reel full station instrument cross shaft, respectively on two horizontal positions of east and west direction of gyro axis that differ by 180 degree; each horizontal position process 2 x 2 position gyro data acquisition on full station instrument perpendicular tray that differ by 180 degree; using formula to count out full station instrument collimation axis true azimuth, survey station meridian convergence angle, then can obtain full station instrument collimation axis grid azimuth, realize full station instrument orient.

基于光纤陀螺的全站仪组合定向方法是一种应用于测绘工作的基于光纤陀螺的全站仪组合定向方法，该方法在测绘现场，把光纤陀螺(1)通过连接装置(2)与全站仪望远镜(3)固连，使光纤陀螺(1)可随全站仪望远镜(3)绕全站仪横轴(4)同步做180度转动，分别在陀螺轴东西向相差180度两个水平位置，每个水平位置在全站仪竖盘相差180度的两个竖直位置进行2×2位置陀螺数据采集；利用公式算得全站仪视准轴真方位角、测站子午线收敛角，即可进一步获得全站仪视准轴坐标方位角，实现全站仪定向。

The Corporation product covering microscope, the tool maker's microscope, the projecting apparatus, the sclerometer, the thickness gauge, the magnifying glass, the balance, the measuring instrument quantity meter, the mapping equipment, the metering equipment, test the instrument, the electrochemistry instrument, the physical instrument, the analytic instrument, the biochemistry instrument, the non-destructive inspection, the medical instrument, to process the machinery altogether 18 broad headings, 170 minor sort.

公司产品涵盖显微镜、工具显微镜、投影仪、硬度计、测厚仪、放大镜、天平、量具量仪、测绘仪器、测量仪器、实验仪器、电化学仪器、物理仪器、分析仪器、生化仪器、无损检测、医疗器械、加工机械共18大类，170余个小类。

According to the author statistics shows that nearly 2000 poems about string instrument of Tang Dynasty in "" The Whole Poetry of Tang Dynasty "", it had reflected all respects of artistic development of string instrument of Tang Dynasty, embody a poet in the Tang Dynasty from describing that kinds of spiritual idea making the poet profound and expresse in the poem of the string instrument in Tang Dynasty, the classical, outstanding poems of the string instrument of Tang Dynasty,the description have worthful historical data value and aesthstic value, it is the rare important wealth on Chinese string instrument art and literature development history, it promote the development of string instrument art after Tang Dynasty, these 2000 poems of string instrument describe the study of Tang Dynasty and give us a lot of artistic value of written historical materials in Tang Dynasty.

据笔者统计：在《全唐诗》中约有2000多首描写唐代拨弦乐器的诗作，在这些诗作中集中体现了唐代拨弦乐器艺术发展的各个方面，从描写唐代拨弦乐器的诗作中折射出唐代诗人抒发的那种令人深邃的精神理念，这些经典、优秀的描写唐代拨弦乐器的诗作具有宝贵的史料价值和美学价值，是中国拨弦乐器艺术与文学发展史上不可多得的重要财富，对唐代以后拨弦乐器艺术的发展，产生了积极影响。这2000多首描写唐代拨弦乐器的诗作，是研究唐代拨弦乐器艺术价值的珍贵文字资料。

Experimental design of the circuit - the transistor triggered by a single node of the single-phase half-controlled bridge rectifier circuit, through the step-down, rectifier, output waveform, circuit design including DC motors, Thyristor, single crystal, such as rectifier circuits.

实验设计电路-由单结晶体管触发的单相半控桥式整流电路，通过降压、整流、输出波形，电路设计包括直流电动机，晶闸管，单结晶，整流电路等。

Keyword: aircraft static inverter; push-pull forward converter; full-bridge rectifier; full-wave rectifier; current-doubler rectifier

叙词：静止变流器；推挽正激变换器；全桥整流；全波整流；倍流整流

Aircraft static inverter; push-pull forward converter; full-bridge rectifier; full-wave rectifier; current-doubler rectifier

中文叙词：静止变流器；推挽正激变换器；全桥整流；全波整流；倍流整流

So, it is very difficult to monitor and protect the rotating rectifier. This paper theoretically analyses the armature current and magnetomotive force in AC exciter of brushless synchronous machine with rotating rectifier. Under the normal or fault conditions of rotating rectifier, the mathematical expressions of the armature current, the m.m.f and induced electromotive force are approached.

本文通过对旋转整流器在正常与故障状态下的交流励磁机电枢电流和电枢电势作了初步的理论分析，推导出旋转整流器在正常与故障状态下电枢电流、空间谐波合成磁势及其感应电势的数学表达式。

Products have: NB-KR series, NBC series of carbon dioxide gas shielded welder, LGK8 Series air plasma arc cutting machine, WS Series DC argon arc welding machine, WS series IGBT inverter DC argon arc welding machine, WSE Series AC-DC pulse argon arc welding machine, ZX5 Series Thyristor rectifier arc welder, ZX6 series three-phase rectifier arc welder, ZX7 series IGBT inverter DC arc welding machine, ZXG Series rectifier arc welder, ZXE1 Series AC-DC dual-use arc welding machine, BX1 Series, BX3 series, BX6 Series AC arc welding machine, steel electroslag welding stress, pedal-style capacitor discharge spot welder, UN series of welding machine, DN Series AC Spot Welder foot, DNY Series mobile communicate spot welder, DN2 fixed pneumatic spot welding machine, D N2 fixed aerodynamic point of convex welder, CG series gas cutting machine, CNC cutting machine door, Intersection CNC EDM Series , flame brazing machine series, automatic welding machine series, MZ series automatic submerged arc welding machine, automobile manufacturing special welding equipment, robot applications, such as large family of more than 29 varieties.

生产的产品有：NB-KR系列、NBC系列二氧化碳气体保护焊机，LGK8系列空气等离子弧切割机，WS系列直流氩弧焊机，WS系列IGBT逆变直流氩弧焊机，WSE系列交直流脉冲氩弧焊机，ZX5系列晶闸管整流弧焊机，ZX6系列三相整流弧焊机，ZX7系列IGBT逆变直流弧焊机，ZXG系列硅整流弧焊机，ZXE1系列交直流两用弧焊机，BX1系列、BX3系列、BX6系列交流弧焊机，钢筋电渣压力焊机，脚踏式电容储能点焊机，UN系列对焊机，DN系列脚踏式交流点焊机，DNY系列移动式交流点焊机，DN2固定式气动点焊机，DN2固定式气动点凸焊机，CG系列气割机，门式数控切割机，数控相贯线切割机系列，火焰钎焊机系列，全自动堆焊机系列，MZ系列自动埋弧焊机，汽车制造专用焊接设备，机器人应用系统等二十九大系列百余个品种。

He got into race cars, while my father liked go-karts more, so I didn't really pay attention to what Diego was doing, as I was just racing karts.

叔叔开的是跑车，而我父亲更喜欢越野卡丁车，所以我并不太关注Diego在做什么，我仅仅在跑我的卡丁车而已。

She is at present gone to look for the best nectar and ambrosia to regale me this evening.

她今晚为款待我，现在又去准备美酒佳肴去了。