電壓三工器 的英文怎麼說

中文拼音 [diànsāngōng]
電壓三工器 英文
voltage tripler
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : 壓構詞成分。
  • : Ⅰ數詞1. (二加一后所得) three 2. (表示多數或多次) more than two; several; many Ⅱ名詞(姓氏) a surname
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 電壓 : voltage; electric tension; electric voltage
  1. Fmc closed air insulation wire tank is a new products designed and developed by us and its techniques and craft has reached the requirements of high graded products in the 1990s. it s suitable for the following conditions : four - wrie system or five - wire system,

    Fmc空氣絕緣型封閉母線槽是我公司自行研究開發的新產品,生產技術及製造藝要求達到九十年代國內先進水平的母線槽產品,適用於交流相四線制相五線制,頻率50 60hz ,額定至660v ,額定流250 - 5000a的供配系統,主要用於現代化廠房車間和高層建築等場所。
  2. In this paper, they are set forth at first that the kinds of computer - simulation of electronic devices, the development and the requirements of mosfet ' s model and the way of gain the models " parameters, the dc models have been bui it in chapter 2 and the models of big signals have been deduced in chapter 3, they are different from the equivalent circuit models in the traditional software pspice that they come from the numer i ca i - s i mu i at i on wh i ch is based on the essence equat i on, so the precision of simulation is enhanced ? mosfet ' s small signal models of low frequency, intermediate frequency and high frequency have been built in chapter 4 and chapter 5, although the equivalent circuit models in pspice are used for reference to bui id them, they have their own characteristics which are analyzed at a i i kinds of situations, so that the simulation software for mosfet can be written according them and it i s a i so benef i c i a i for us to catch the gen i us character i st i cs of mosfet and to d esign all kinds of applicable devices the correctness of the models is simply proved in chapter 6

    本文首先介紹了件計算機模擬的分類、 mosfet的建模發展動態、對件模型的要求以及模型參數的提取方法。在第二章中建立了mos晶體管在直流端條件下的作模型;第章推導了mosfet的大信號模型,這兩類模型不同於傳統模擬軟體例如pspice中的等效路模型,而是從模型方程出發,採用數值模擬的方法,提高了模擬的精度。第四章和第五章分別建立了mos晶體管低頻、中頻、高頻的小信號模型,雖然借鑒了pspice模擬軟體中用等效路模型的方法,但是本文分別討論了準靜態和非準靜態時件的本徵部分以及包含非本徵部分作于低頻、中頻和高頻條件時的模型,可以根據這些模型編寫相應的模擬軟體,這樣在做件的模擬分析與件設計的時候,就可以利用模擬軟體逐步深入地分析件在不同的條件下和件的不同部分在作時的各種小信號特性,有利於抓住作的本質特性,設計出符合要求的各類通用和特殊件。
  3. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理大學博士學位論文針對這種前級移相全橋軟開關周波變流型相高頻鏈逆變結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流的pdm控制;按高頻脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調協調控制逆變輸出,在滿足輸出條件下使諧波最小。
  4. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體作包括:測量原理的研究和在系統中的實現,在本次設計中用種方法來進行水位測量,分別是旋轉編碼法、液位力傳感法和可變法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀提供了時間基準,方便了儀的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號流環的輸出路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警路設計、操作鍵盤設計、源監控路設計、基準路的設計。
  5. So this paper analyzed the running state by taking account of power over - voltage, resonance over - voltage and voltage flash, and propounded the strategy that voltage flash were controlled by using static var compensator ( svc )

    本文從影響配網的個因素:頻過、諧振過以及閃變入手,分析了現代配網的運行狀態。並提出用靜止無功補償( svc )抑制閃變的控制策略。
  6. The voltage transformer is fully enclosed type the iron core is piled up of the cold roll silicon steel sheet. the iron core, primary and secondary windings are casting resin by advanced vacuum carting equipment. it has a good ability of antipollution and moisture proof. the secondary outlet is wrapped by outlet box with three exits with different directions. it, s convenient. it can prevent from stealing electricity

    本系列互感為全封閉式結構,鐵芯採用優質冷軋硅鋼片繞制,並經嚴格的熱處理,鐵芯與一次繞組和二次繞組一起以先進的真空澆注藝用環氧樹脂澆注成型,互感耐污穢,耐潮濕性能好二次出線端子有出線端子盒,端子盒有個不同出線方向接線方便,並可實現防竊措施。
  7. This is zhongshan sunview lighting co., ltd, which is is specialized in research, development, production and sells of led energy saving lamp. our main products include rope light, festive light, hurdle lamp, garden light, light cup, bulb lamp, throw lamp, controller, optic fiber, etc, which can adapt to the different working voltage and using environment

    中山市源燈飾有限公司,專注于led燈飾產品的開發、生產與程服務,主要產品有彩虹燈、節日燈、護欄燈、花園燈、燈杯、燈泡、控制、光纖等,品種多樣,規格齊全,能適應各種不同的與使用環境。
  8. The operation of buck tl converter are analyzed as well as parameter design and input / output characteristics. hfb tl converter has two phase legs, one is three - level leg, the other is two - level leg

    Buck平變換具有將開關管應力減小一半,大大改善輸出濾波作條件的優勢,論文詳細分析它的作原理、參數設計和外特性。
  9. A novel topology of dc - rail zvt voltage source three - phase pwm inverter is advanced. the principle, design considerations, modulation index and efficiency of the proposed inverter are discussed in detail

    提出了一種新型直流母線零過渡相pwm逆變,並對該路的作過程、參數設計、調制系數以及作效率等進行了詳細的分析和試驗研究。
  10. Buck zvs - mr - tl converter is taken as the examples to illustrate the operation of the zvs - mr - tl converters. the operation of buck zvs - mr - tl converter is analyzed as well as parameter design, realization of pulse - frequency - modulation ( pfm ) interleaved control and comparison between zvs - mr converters and zvs - mr - tl converters. a 1000w prototype converter is built in the lab to verify the effectiveness of the proposed converter

    本文以buck零開關多諧振平變換為例,詳細分析了它的作原理、參數設計、脈頻調制交錯控制的實現、與常規的多諧振變換的對比,並以一個1000w的原理樣機對該變換進行實驗驗證。
  11. A novel resonant pole zvt three - phase pwm inverter circuit for three - phase ac motor driving is presented. the proposed circuit has the feature of being more flexible with three inverter arms in zvt process. using only one resonant inductance, the inverter can not only reduce the power loss of inductance but also avoid possibility of unbalance in motor ' s three stator windings

    提出了一種針對相交流機驅動的新型諧振極零過渡相pwm逆變路,該路中個逆變橋臂的零過渡更具有靈活性,僅使用一個諧振感,既減少了感損耗又防止了相定子繞組可能存在的不平衡問題,並且諧振感中殘余能量能夠回饋給源;新型逆變的輔助開關均作在零流開關條件下,並且控制邏輯簡單。
  12. Among these a three - phase voltage - style pwm rectifier is selected, and voltage space vector pwm is employed. and its principle, mathematics models and the selection of control parameters are studied in details. in addition to, a fast algorithm for space vector pwm, the method of decomposition matrix proposed in this paper can simplify the calculation process and with which we may omit the triangular function tables

    分析總結了現有的相整流路拓撲及其控制策略,選擇以型pwm整流為研究對象,並採用空間矢量pwm控制策略;分析研究了整流作原理,建立了數學模型;研究了控制方法及其參數設計;提出了空間矢量的pwm快速演算法,不需要角函數表,由dsp實時計算得到精確的作矢量及零矢量的作用時間。
  13. Gangtong company professionally deals in automatic controlling component. its also the agent of low pressure distributing products, industry controlling products and fa component for mitsubishi, nais - national, moeller, unique. the main products are circuit breaker, contactor, timer, time relay, controller and transducer

    港通公司是一家專業經營業自動化控制元件公司,代理銷售日本機mitsubishi松下nais - national德國金鐘-默勒moeller馬來西亞unique的低產品業控制產品及fa元件。
  14. Regard how to structure the control system of sensorless bldcm with dsp - tms320f240 as the centre in this paper, the detailed argumentation course of the motor startup, bemf terminal voltage measurement and control strategy is given out, give and pay concrete details for the software and hardware realization and experimental result. in order to treat the bldcm control system with dsp clearly, the full paper divides into six chapters altogether : chapter one, introduceing the development course, the structure characteristic and operation principle, etc. of bldcm in the introduction ; chapter two, directed against the startup issue of bldcm, the chapter give and publish the rotor measure pulse orients technology for motor startup in detail ; chapter three, proceed with mathematics model of the bldcm, expounding the control schemes ; chapter four, two important devices introducing : dsp ( 240 tms320f ) and power invertor control chip ( ir2131s ) ; chapter five, give and publish the detail of hardwares of control system ; chapter six, by ccs ide of ti, realize the control schemes in the front chapters with software, offere the procedure flow chart of main subroutine and some key place of programming, the experiment result in addition

    全文共分六章:第一章、緒論中介紹了bldcm的發展歷程、機本身的結構特點和作原理等;第二章、針對五位置傳感bldcm的起動問題,文中詳細給出了檢測脈沖轉子定位起動技術;第章、從機的數學模型入手,詳細論述了反動勢端法和系統的控制策略;第四章、介紹了硬體實現中的兩個重要件: dsp ( tms320f240 )和功率管逆變控制晶元( ir2131s ) ;第五章、詳細給出了控制系統的硬體實現細節;第六章、利用ti提供的ccs集成開發環境,將前面章節的控制方案用軟體加以實現,給出了主要部分的程序流程圖和一些編程要點以及實驗結果。
  15. Battery is the only power source for portable equipment. in order to prolong the service time of these battery - operated equipments, ultra - low - power consumption is demanded. the main method that decreases the power losses is to higher the conversion efficiency and to lower the operating voltage

    開關變換內包含了帶隙參考源、誤差放大、頻率補償路、角波產生路、 pwm比較以及數字邏輯控制路,此晶元採用聯華子公司0 . 6微米cmos藝。
  16. The unsteady input commercial frequency sinusoidal voltage with high harmonic is modulated into bi - polarity three - state high frequency ac volage by the input cycloconverter, bi - polarity three - state high frequency ac volage is demodulated into uni - polarity three - state spwm wave by the output cycloconverter, and the uni - polarity three - state spwm wave is filter into steady commercial frequency sinusoidal voltage with low harmonic

    輸入周波變換將輸入不穩定劣質的頻正弦交流調製成雙極性態的高頻交流波,輸出周波變換將此高頻交流波解調成單極性態spwm波,經輸出濾波后得到穩定優質的頻正弦交流
  17. Firstly, the basic theory of full - bridge phase - shift zvs pwm converters are expatiated and another three kinds of circuits of full - bridge phase - shift zvs pwm converters are discussed. there are four kinds of problems which are emphasized : how to expand the zvs range ; how to reduce the circulation in the primary side of the transformer in order to minimize the on state losses ; how to decrease the loss of effective duty circle and how to eliminate the parasitic oscillation of the output rectifiers

    本文首先分析了基本的全橋移相zvsdc dc變換作原理,為解決滯后橋臂不易實現零開關( zvs )的情況,討論了另外種全橋移相zvsdc dc變換路拓撲,重點分析並解決了四個方面的問題:如何擴大zvs的負載范圍;減小變原邊環流,降低變換系統通態損耗;減少變次邊有效占空比丟失;消除輸出整流二極體的寄生振蕩。
  18. The zero - voltage - switching ( zvs ) pwm hybrid full - bridge three - level ( h - fb tl ) converter can operate in both three - level mode and two - level mode, the output rectified voltage is close to the output voltage over the entire input voltage range, thus the output filter can be reduced significantly, leading to high power density and fast dynamic response. so the zvs pwm h - fb tl converter is very attractive for the applications such as fuel cells, photovoltaic cells, and telecom power supplies, where the voltage varies in a wide range

    開關復合式全橋平( zero - voltage - switchingpwmhybridfull - bridgethree - level , zvspwmh - fbtl )變換可以作在平模式和兩平模式,在很寬的輸入范圍內,輸出整流都接近輸出,從而可以減小輸出濾波,因此可以提高變換的功率密度和改善動態性能。
  19. The asynchronous motor is widely used for its simple construction, ruggedness, high working reliability, relatively low cost, and high environmental adaptability. it is suit for the direction of high voltage, high speed and large capacity. vector control is its ideal speed modulation method. the harmonics of three - level inverter are less than the traditional two - level inverter ’ s, and it is convenient to realize high sinusoidal voltage output. the maximum voltage strength which each electric component bears is small, and it is easy for three - level inverter to realize large capacity. the research on the asynchronous motor vector control based on the three - level inverter is one novel work

    異步機結構簡單、堅固耐用、運行可靠、成本低、環境適應性強,容易向高高速和大容量方向發展,獲得了廣泛應用,矢量控制為其理想的調速方法;平逆變輸出端諧波少,有利於實現輸出的正弦化,且單個開關管承受的最大小,適合向高大容量方向發展。對基於平逆變的異步機調速系統開展矢量控制研究,是一件有意義的作。
  20. Finally, the operation principle of three - level shift phase pwm control with zero voltage is validated by the simulation analyze and the debugging experiment of 230v / 10a sample device

    最後,通過模擬分析以及對230v / 10a樣機的調試實驗,驗證了零平移相控制pwm平直流變換作原理。
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