輸出電流限制 的英文怎麼說

中文拼音 [shūchūdiànliúxiànzhì]
輸出電流限制 英文
limit, output current
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 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...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 輸出 : 1 （從內部送到外部） export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  • 限制 : place [impose] restrictions on [to]; astrict; restrict; limit; confine; shut down on [upon]: 限制...
  1. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。
  2. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。
  3. Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented

    模擬和實驗結果表明該方法的主要優點有：不需使用乘法器進行信號調制，調制信號採用與電網電壓同步的優化特定脈沖，其檢測精度只與同步相位有關，而與電網電壓幅值無關；降低了對輸入低通濾波器的通頻帶要求，直流和偶次諧波分量對檢測精度沒有影響；突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。
  4. Three phase ac reactive power display control instrument ; single screen digital display ; outline dimension 16080mm ; no communication interface ; no transmit output ; three - phase four - wire system connection mode, high limit alarm low limit alarm ; switch power supply ; input voltage 0380v ; input current 05a, display reactive power 0114. 0k var

    三相交流無功功率顯示控制儀:單屏數字顯示外形尺寸16080無通訊介面無變送輸出三相四線制接線方式，上限報警下限報警開關電源供電輸入電壓0 380v ，輸入電流0 5a ，顯示無功功率0 114 . 0kvar ，
  5. Three phase ac active power display control instrument ; single screen digital display ; outline dimension 16080mm ; no communication interface ; no transmit output ; three - phase four - wire system connection mode ; high limit alarm low limit alarm ; switch power supply ; input voltage 0380v ; input current 05a ; display active power 0114. 0kw. 2. wp - le3q - c2004hlt 380v 380v, 100a 5a

    三相交流有功功率顯示控制儀單屏數字顯示外形尺寸16080無通訊介面無變送輸出三相四線制接線方式;上限報警下限報警開關電源供電，輸入電壓0 380v ;輸入電流0 5a ;顯示有功功率0 114 . 0k w 。
  6. Ac tri - phase active electric energy display control instrument ; double screen digital display ; outline dimension 16080 mm ; no communication interface ; no transmit output ; tri - phase four - wire connection mode ; high limit alarm lower limit alarm ; switch power supply ; input voltage signal 0 100v ; input current signal 05a ; active power display 0120. 0 kw, active electric energy display 099999999999999 kwh. 1

    交流三相有功電能顯示控制儀雙屏數字顯示外形尺寸16080無通訊介面無變送輸出三相四線制接線方式上限報警下限報警開關電源供電輸入電壓信號0 100v輸入電流信號0 5a有功功率顯示0 120 . 0kw ，有功電能顯示0 9999999999999kwh 。
  7. Ac tri - phase reactive electric energy display control instrument ; double screen digital display ; outline dimension 16080 mm ; no communication interface ; no transmit output ; tri - phase four - wire system ; high limit alarm lower limit alarm ; switch power supply ; input voltage signal 0380v ; input current signal 05a ; reactive power display 0114. 0kw active electric energy display 09999999999999kwh

    交流三相無功電能顯示控制儀雙屏數字顯示外形尺寸16080 ;無通訊介面無變送輸出三相四線制上限報警下限報警開關電源供電輸入電壓信號0 380v輸入電流信號0 5a無功功率顯示0 114 . 0kw ;有功電能顯示0 9999999999999kwh 。
  8. The epitaxial struture for ld is an ingaas / gaas / algaas ssqw grin sch structure and the width of the array bar ia 4mm. the low theshold current 2. 9a the output power 20w at 17. 5a have been achieved by sioi isolation, ohmic contact and facet coating processes. the central wavelength is 979nm. at the same time, model analyses on the structure of the ssqw ld and the fabrication processes have been made for further research

    激光器的生長結構採用ingaas / gaas / algaas分別限制應變單量阱線性緩變折射率波導結構，列陣條寬為4mm ，通過sio _ 2掩膜，歐姆接觸和腔面鍍膜等工藝，實現了閾值電流為2 . 9a ，驅動電流為17 . 5a時輸出功率為20w 。
  9. Magnetics is one of the main factors, which limit the power - density and characteristics of power module. for lowing weight and volume, reducing power loss and ripple current, improving dynamic performance, the magnetic - integration technique has been one of the research populations in power electronics. the thesis researches the magnetic - integration applied to the active - clamp forward converter so as to reduce the ripple current and improve its performance

    對于已經大量採用高頻軟開關技術的模塊電源，限制其功率密度進一步提高、性能進一步改善的重要因素之一是磁性元件，而磁集成技術由於具有可以減小磁件體積重量，減少磁件損耗，減小輸出電流脈動，改善輸出動態性能等優點，成為目前電力電子技術的研究熱點之一。
  10. At last, an experiential power supply was made, and a series of experiments is done. a lot of high - frequency pulse current was superposed on dcen current, modulated the welding current waveform we required and optimized the energy distribution, which satisfied the basic requirement of cathode cleaning

    最後製作了一臺實驗電源，並進行了一系列的電弧實驗，通過在變極性電源電流dcen基礎上疊加一系列脈沖電流，調制出所需電流波形，實現輸出能量的最優分配，在滿足陰極清理的前提下，最大限度地提高焊接效率。
  11. These topologies of inverters are composed of two bi - boost dc / dc converters, they are symmetry. so whole circuit turn into four - quadrant converters, we can control every power mosfet on or off. then we can get sine wave with direct current polarization at the left, at the same we also can get sine wave with direct current polarization phase contrast 180 compared of the left at the right

    這類逆變器由左右二個雙向boostdc / dc變換器構成，左右二邊是對稱的，所以整個電路構成了一個四象限變換器，我們可以恰當控制各功率管的開、關，使左邊的兩象限dc / dc變換器輸出一個帶直流偏置的正弦波，使右邊的兩象限dc / dc變換器輸出一個相差180度帶同樣直流偏置的正弦波形，這樣，負載zl上的電壓是左、右兩個dc / dc變換器電壓的差動輸出，正好可以消掉直流偏置，最終在負載r1上得到的就是正弦波。
  12. The principles and characteristics of synchronous rectification ( sr ) are given, and advantages of self - driven sr in low power applications is detailed. review of several topologies which incorporate self - driven sr makes the constrains of conventional self - driven sr scheme apparent and thus a new scheme to drive srs is proposed. the developed single - winding self - driven synchronous rectification ( swsdsr ) scheme works properly in topologies that drive symmetrically the transformer ( push - pull, half bridge, . . ). it allows for maintaining the srs on even when the voltage in the transformer is zero, which is impossible to do in traditional self - driven approaches

    本文針對低壓/大電流輸出的小功率dc / dc變換器，圍繞著變換器的效率問題，分析了同步整流的原理和特點，重點闡述了自驅動同步整流在低功率場合的優勢，在分析比較了多種與自驅動同步整流相結合使用的電路拓撲后，指出常規的自驅動同步整流方案限制了與之結合使用的電路拓撲的范圍這一局限性，從而給出了一種新穎的單繞組自驅動同步整流方案。
  13. But if we use chaotic phenomenon directly, three disadvantages exist : ( 1 ) the applied range was limited by dynamic character of the dc / dc converter system ; ( 2 ) high current fluctuation is found, and it is hard to be controlled ; ( 3 ) high output voltage fluctuation

    但是利用dc / dc變換器系統本身的混沌現象來提高電路的電磁兼容性，存在著三個方面的不足： （ 1 ）應用范圍受到系統本身動力學性質的限制； （ 2 ）電路中的電流波動大，難以控制； （ 3 ）輸出電壓波動大。
  14. Intelligent tri - phase ac active reactive power instrument adopt advanced microprocessor carry out smart control, and to the inputed tri - phase ac voltage and current signal carry out accurate measurement, through cpu automatically count out the tri - phase ac active reactive power value total power, conduct clear and visual display by high brightness led display tube, it can be simultaneously transferred to standard voltage current signal to transmit output, and have super - limit control alarm standard serial communication function etc

    智能三相交流有功無功功率儀表採用先進的微處理器進行智能控制，對輸入的三相交流電壓與電流信號進行精確的測量，經過cpu自動計算出三相交流有功無功功率值總功率，由高亮度led數碼管進行清晰直觀的顯示，同時可轉換成標準電壓電流信號變送輸出，並具有超限控制報警標準串列通訊等功能。
  15. Adopt advanced microprocessor carry out smart control, and to the inputed tri - phase ac voltage and current signal carry out accurate measurement, through cpu automatically count out the tri - phase ac active reactive power value total power, conduct clear and visual display by high brightness led display tube, it can be simultaneously transferred to standard voltage current signal to transmit output, and have super - limit control alarm standard serial communication function etc

    採用先進的微處理器進行智能控制，對輸入的三相交流電壓與電流信號進行精確的測量，經過cpu自動計算出三相交流有功無功功率值總功率，由高亮度led數碼管進行清晰直觀的顯示，同時可轉換成標準電壓電流信號變送輸出，並具有超限控制報警標準串列通訊等功能。
  16. In order to enhance the rapid reaction performance and regulate the current of main circuit in real time, a current loop ' s controller is set up inside the speed loop, it takes the pi regulator for the current loop ' s controller, which can make the output limited

    為了能夠盡量的提高伺服控制系統的反應快速性，並且能夠為了實時的對主電路的電流進行檢測調節，系統在速度環的內部設置一個電流反饋環並且以帶輸出限幅的pi調節器作為電流環的控制器。
  17. Among them, phase shifted ( ps ) full bridge ( fb ) zero - voltage - switched ( zvs ) pulse - width - modulated ( pwm ) dc / dc converter has strong competitive power in big power capacity fields. but it has some limitations such as smaller load range with zvs and larger circulation energy. the ps - fb - zvs - pwm dc / dc converter with a saturable inductor utilizes saturable inductor s critical saturable current characteristic and storage energy, to enlarge load range with zvs and improve output efficiency under light load

    其中，移相控制零電壓開關脈寬調制dc / dc全橋變換器在大容量領域很有競爭力，但它具有實現零電壓開關負載范圍小，循環能量大等限制，帶飽和電感的移相控制零電壓開關全橋變換器利用飽和電感的臨界飽和電流特性及儲能，來擴大零電壓開關（ zvs ）的負載范圍，提高輕載時的輸出效率，具有非常重要的研究價值。
  18. Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed

    論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構；第二章對系統內置110v直流控制電源進行了分析和設計，結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施；第三章論述了步進電機的驅動，結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路，並在試驗中得以驗證；第四章詳述了液晶驅動及顯示技術，利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路，設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼；第五章則將以上構建的整個系統應用在機車受電弓的實測中，並對測試解析度進行了分析。
  19. This dual - loop strategy is analysed completly and simulated. the implementation strategy is using digital and analogous hybrid control. the voltage loop is realized by dsp, and the inner - loop is realized by analogous circuit the design of cpld which simplified signal - phase cascade inverter circuit is also introduced in this paper

    根據控制方案設計了採用數模混合方案的控制電路，電壓外環採用dsp控制，實現輸出電壓有效值計算、 pi調解、輸出限幅等操作，電流內環採用模擬電路實現，並基於復雜可編程邏輯器件cpld設計了載波移相電路和死區產生電路，簡化控制電路。
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