電阻變換器 的英文怎麼說

中文拼音 [diànzǔbiànhuànqì]
電阻變換器 英文
resistance tra former
  • 電 : 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...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 電阻 : （物質阻礙電流通過的性質） resistance; electric resistance （電路中兩點間在一定壓力下決定電流強度...
  1. 300 75 balun for fm and tv broadcast receiver

    調頻電視廣播接收機用300 75平衡-不平衡阻抗變換器
  2. Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops

    為了方便、有效地測定植物的蒸散，為水分利用研究提供價廉物美、簡單易用的儀器，本研究利用國產的集成電阻應變式稱重傳感器，採用at89c52單片機作為控制單元，結合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列通信等外圍介面電路，研製了小型自動稱重式蒸散儀。
  3. However, the result of the simulation, in which all the parameters are kept constant except the primary and secondary inductance, is that 3 % higher conversion efficiency can be achieved in ccm than in dcm

    但對輸出功率和繞組電阻相同時逆變電路模擬結果表明， ccm的效率比dcm提高了三個百分點；試驗結果說明盡管ccm的繞組電阻比dcm的大，變換器效率仍提高了1 . 5 。
  4. Impedance - matching balanced traction transformers ( balanced transformers in this paper for short ) are step - down transformers, they transfer symmetrical three phase voltage in primary side to perpendicular two phase voltage in secondary side. they are different from any other transformers, so their short - circuit current analysis and short - circuit test method must be taken into special account

    阻抗匹配平衡牽引變壓器（本文中簡稱平衡變壓器）是一種將一次側三相對稱電壓變換為二次側二相垂直電壓的降壓變壓器，它不同於已有的任何一種變壓器，短路電流的分析計算和短路試驗必須予以重新研究。
  5. The resistance furnace microcomputer automatic procedure temperaturecontrol system is rises, the temperature decrease speed and thesoaking time through the monolithic integrated circuit to the heatingfurnace carries on the strict control the installment, it changes thetemperature delivers, the demonstration and the numerical controlcollection to a body, take the microcomputer control as thefoundation, take the a / d switch as the core, and matches by thesuitable periphery connection electric circuit, realizes to theresistance furnace temperature automatic control

    電阻爐微機自動程序溫度控制系統就是通過單片機對加熱爐的升、降溫速率和保溫時間進行嚴格控制的裝置，它將溫度變送、顯示和數字控制集於一體，以微機控制為基礎，以a / d轉換器為核心，並配以適當的外圍介面電路，實現對電阻爐溫度自動控制。
  6. Considering the above control strategies which make the controller can not be real - time processing because its workload has increased, control circuits of the main switches based on eprom are designed, which can implement control scheme of firing angles and phase voltage. furthermore, it avoids power converter saturation in the process of commutation

    上述控制策略的引入造成控制器運算量增大、難以在線實時控制，又設計了基於eprom的主開關器件通斷控制電路，實現了開關磁阻電動機開通關斷角控制及對施加於相繞組上電壓的優化控制，同時避免了換相時可能引起的功率變換器飽和現象。
  7. 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，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；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器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，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電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  8. The other is supported by emerson network power co., ltd as an advanced research project. and this paper mainly introduces how to design and realize a four - quadrant running srd system to control a 3kw srm ( 8 / 6 poles ) based on a dsp ( tms320f240 ), which uses h - bridge power convertor and power - consumption braking method

    本文基於省重點科研項目「開關磁阻電機新型控制及其調速系統」和深圳emerosn網路能源公司預研部項目，分析討論了如何設計實現一套以3kw的四相（ 8 6極） srm為控制對象以dsp為控制核心採用h橋式功率變換器和能耗制動方式的四象限運行srd系統。
  9. Ohmic resistance measured between the connecting lines and the transducer s deformation body, with statement of the test voltage used

    在使用校驗電壓時測得的連接線路和轉換器變形體之間的電阻歐姆。
  10. The sensing chip is connected with special amplification circuit of the transmitter by the conductor, and using piezo - resistance effect of semi - conductor silicon material to realize the transformation between pressure and electric signal

    敏感晶元通過導線與變送器專用放大電路相連接。它利用半導體硅材料的壓阻效應，實現壓力與電信號的轉換。
  11. This paper analyzes the operation principle, discusses the design of the block capacitor and the output inductance. a prototype converter rated 1. 2kw is built in the lab to verify the effectiveness of the cdr zvs pwm h - fb tl converter

    論文詳細分析了該變換器的工作原理，討論了開關管實現zvs的條件、阻斷電容以及濾波電感值的選取等，最後進行了實驗驗證。
  12. The predictions have shown a good agreement with the experiment results. the creep testing method was studied thoroughly in this paper. the whole creep testing system is developed by creep machine, extensometer, resistance strain gage, a / d translation board, computer and a set of software which can collect creep data automatically

    本文對樹脂基三維編織復合材料的蠕變測試方法進行了深入研究，採用自行研製的蠕變機，利用引伸計、電阻應變儀、 a d轉換器、計算機等儀器，自行編制的蠕變數據自動採集軟體形成了一套蠕變測試系統。
  13. Some design guide lines are discussed based on the structure of the system. the mutual inductance coupling model of the system is introduced. the circuit impedance is analyzed

    針對非接觸感應電能傳輸系統的構成，討論了非接觸感應電能傳輸系統的設計準則，介紹了變換器的互感等效電路模型，並進行了阻抗分析。
  14. Now it has been used in many fields, such as transportation, aeronautics, electronic household appliances and industries. the modelization and simulation of srd, pseud - sliding mode control ( psm ) and the driver system based on dsp tms320lf2407a are studied in this thesis. the main tasks include : the nonlinear model of the srd is established, the control methods such as pwm is emulated and analyzed

    開關磁阻電機調速系統（ srd ）將開關磁阻電機，現代電力電子變換技術以及控制技術結合為一體，兼有異步機變頻調速系統和直流電機調速系統的優點，目前已應用於牽引運輸、航空航天、家用電器、通用工業等各個領域內，具有廣泛的應用前景和強大的市場生命力。
  15. The mathematical and circuit analyses of the converter show that the output current of the dc - dc converter tends to be saturated with the gradually increasing product of the operation frequency and the capacitor capacitance in the case of a determinate effective loop resistance

    分別用matlab和pspice從理論和電路兩個方面進行的模擬研究都表明：在等效同路電阻一定的情況下， dc - dc變換器的輸出電流隨工作頻率和電容容量乘積的增大而趨于飽和。
  16. Besides, there is also some alternatives, such as an inductance conversion using differential transformer and space curve deformeter, and variable resistance pressure transmitter

    除此之外還有利用差動變壓器和擾曲線應變計的電感變換方式，以及變電阻式壓力變送器。
  17. The dissertation focuses on the semi - active vibration control for the linear suspension of the full - vehicle model in chapter 4. it develops a two - stage control strategy, dividing the full - vehicle suspension and the four mr dampers into two different parts. the upper stage controls the full - vehicle suspension by using the lqg with all the control objectives taken into account and determines the desired restoring

    該方法將多輸入多輸出的非線性系統經過輸出解耦變換，簡化成四個單輸入單輸出的子系統，通過分別對單級anfis模糊系統的離線辨識和在線調整相結合，產生四個磁流變阻尼器所需要的控制電壓，以此對非線性整車懸架系統的實施智能控制。
  18. Based on the reference [ 22 ], the dynamical modeling converters for hvdc system have been transformed to a nonlinear system represented by input - output model with unmodeled dynamics and bounded disturbances, and a robust adaptive output - feedback nonlinear controller is designed. the controller counteracts the uncertain dynamic nonlinearities and bounded disturbances by nonlinear damping terms, and unmodeled dynamics by a dynamic signal

    本文在文獻[ 22 ]的基礎上，對高壓直流輸電系統換流站動態模型進行變換處理，將其化為一類具有含未建模動態和有界擾動的輸入-輸出非線性系統，並設計了一種魯棒自適應輸出反饋控制器，利用非線性阻尼項來抑制系統的動態不確定性和有界擾動，引入一動態信號來抑制系統的未建模動態。
  19. At first, the average - current controlled boost pfc and buck converter small - signal model are estabished. the average - current controlled boost pfc and buck converter prototype are designed and manufactured. on basis of the small - signal model, the two - stage i / o impedance characteristic and miller effect are analyzed by simulation with matlab software

    其次單獨設計了前級、后級變換器樣機，在兩級模型基礎上，應用matlab軟體模擬分析了前後級變換器對接處的i o阻抗特性和密勒效應，運用奈奎斯特判據對兩級結構寬輸出電壓范圍的功率因數校正器的穩定性進行了分析設計。
  20. A voltage regulator mainly composed of a comparator is added to the main conversion circuit to stabilize the output voltage. using tspice simulation software, it is obtained that the output voltage of the converter with this regulator has a reduced ripple of less than 0. 8 % and almost has nothing to do with the varied load resistance of more than 800

    為了穩定輸出電壓，在變換器主電路的基礎上增加了主要由比較器構成的穩壓環節，通過使用tspice對其模擬、優化設計后，得到的輸出電壓紋波小於0 . 8 ，並且在負載電阻? 800時，輸出電壓基本不隨負載電阻阻值的變化而變化。
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