電源關著 的英文怎麼說
中文拼音 [diànyuánguānzhāo]
電源關著
英文
no data- 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...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 關 : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
- 著 : 著助詞1. (表示動作的持續) 2. (表示狀態的持續) 3. (用在動詞或表示程度的形容詞後面, 加強命令或囑咐的語氣) 4. (加在某些動詞後面, 使變成介詞)
- 電源 : source; current source; electric source; power pack; power supply; power source; source of power ...
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The general composing of the power generation market in china has problems such as unreasonable power source structure, uneconomical power plant scale, unfair competition among power enterprises, complex electrovalence system, low energy efficiency, complicated enterprise property right relations and organizational structure
摘要我國發電市場的總體構成存在著諸如電源結構不合理、電廠規模不經濟,發電企業間不平等競爭較為嚴重、電價體系復雜、能源利用率低,企業產權關系和組織結構錯綜復雜等問題。Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )
本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案,面對開關電源朝著輸出低電壓大電流方向發展的趨勢,提出多路輸出開關電源新的拓撲優化組合模式? ?有源鉗位正激變換器、同步整流技術、磁放大器。As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system
功率放大器( pa )作為無線通信射頻發射機中不可缺少的關鍵電路,對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用,而適用於恆包絡信號放大的e類功率放大器,更是在現代通信系統中佔有十分重要的地位。With the advance of semiconductor manufacturing, circuits with increasingly higher speed are being integrated at an increasingly higher density, which makes analysis and verification of power grid integrity more important. power grid integrity includes four issues, namely, ir drop analysis, ground bounce analysis, ldi / dt from the pin inductance and em analysis
隨著超大規模集成電路集成度和工作頻率的不斷提高,電源網格完整性分析變得越來越重要,一般有四個關鍵問題: ir電壓降分析、接地點電勢上升( groundbounce )分析、來自引腳電感的ldi / dt分析和電子遷移率em分析。The thesis discussed a parameter extraction program for the mosfet level1 model. in the analysis and design of circuit, at first, the thesis described the system function of the new dc - dc switching converter. then several sub - circuits of converter ic such as oscillator, over - temperature shutdown circuit, auto - restart counter circuit and control circuit were completely discussed
在電路設計中,本文首先分析了開關電源電路的基本拓撲結構和psm調制模式,接著對開關電源變換器進行了系統的原理分析並設計了總體框圖,然後詳細設計了振蕩器電路,熱保護電路,自動重啟計數器電路和主控門邏輯等子電路並進行了功能模擬。It ' s high - frequence noise absorption, absorption of noise caused by rapid rise of front and self - reset function have widespread application in imput of supply, for absorption of inductive load switching surge voltage and for protection of two - way thyristor switching device, bypass capacitors, micro - machines and the others
它所具有的吸收高頻噪聲、前沿快脈沖上升噪聲及自復位功能,使其在電源輸入端、吸收電感性負載開關浪涌電壓、保護雙向可控開關器件、旁路電容器、微型電機等方面有著廣泛的用途。With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency
隨著電力電子技術進一步向高頻的大功率用電領域發展,功率mosfet在各種電力半導體器件中的重要地位日益顯著,使用功率mosfet作為開關器件的功率轉換電路也日益增多,但隨著器件開關頻率的提高(大於200khz ) ,由器件極間電容引起的能量損耗將會影響到功率轉換電路的能量傳輸效率,特別是在以mosfet作為開關器件的高頻感應加熱電源中(工作頻率可達兆赫) , mosfet在開關過程中的能量損耗嚴重影響到電源的效率,因此如何減小開關器件的損耗提高高頻功率轉換線路的效率成為電力電子技術領域的重要研究課題之一。The goal of this paper, is to research one kind of intelligent electronic appliances network which has the following characters : the connection between the electronic appliances or between the electronic appliance and the inter net is realizable ; the operation methods of all kinds of electronic appliances which locate at home, can be set by the user through the pcs at home or outside home which can access to internet ; the electronic appliances can acquire the information and the services from the service provider web stations automatically when the operations is required ; the new composed electronic appliances network or the electronic appliances which are just to join the network, can be " plug & play " without user " s setting, the electronic appliances themselves accomplish all the settings
本文撰寫的目的,就是研究和探討一種智能化的家電網路,使其具備以下特點:家電與家電以及家電與網際網路的相互連接成為可能;各種家電的運作方式,可以由家庭內部以及連接到網際網路上的計算機隨時設定;隨著運行工作的需要,家電能夠自動向各種服務提供網站獲取相關信息以及服務;新組建的家電網路以及新加入家電網路中的家電,無須用戶的設定,接上電源后即可投入工作,一切參數的設置均由家電獨立完成。Firstly, the thesis briefly introduces the key techniques relating to the power module, and points out that the magnetic - integration technique can improve the performance further. secondly, the characteristics of active - clamp forward converter are analyzed, and the notion of flux - coupling is proposed to derive the im - fac converter
論文首先簡要介紹模塊電源及主要的幾種關鍵技術,指出模塊電源中應用磁集成技術可進一步提高其性能;接著分析了有源箝位正激變換器的工作特點,提出磁通有效耦合的思路,並據此得出im - fac變換器。A novel high - power pollution - free smps is presented in this paper, which accomplishes simultaneously the goal of soft - switching pwm, the input / output isolation, the output voltage regulation and three - phase pfc with a single - stage power processor and simple pseudo - phase - shift control circuit. therefore, compared with the normal two - stage system, the single - stage power supply has simpler structure, lower cost, higher efficiency and easier to control. the proposed smps can be used in the three - phase power system, and can output high power over kw - order and input / output ( i / o ) isolation dc power supply
本文提出的新型無污染大功率開關電源正是採用三相三線制輸入電源,利用單級偽相移零電壓零電流開關脈寬調制( pps - zvzcs - pwm )全橋變換器完,成功率因數校正( pfc )和輸出電壓快速調節、隔離的雙重功能,並且該變換器開關管在零電壓或零電流下通斷,顯著的減小了emi 。With the development of the electronic technology, the higher requirements of power supply are raised including high efficiency, high power density, low emi and rapid dynamic response
隨著電子技術的發展,用設備對電源要求不斷提高,開關電源正向著效率高、功率密度大、可靠性高、電磁干擾低、無噪聲、維護方便的方向發展。Its being used can form high efficiency insulated switching power supply without using utility power transformer. the switching power ic is selected firstly in the design of high power switching power supply, precision switching power supply, application specific switching power supply and so on in the world, which has been making switching power supply short, small, light and thin the control techniques of dc - dc switching converters are completely described and analyzed
單片開關電源管理集成電路具有高集成度、高性價比、簡單外圍電路、優越性能指標等優點,能構成高效率無工頻變壓器的隔離式開關電源,目前已成為國際上開發中、小功率開關電源、精密開關電源、專用開關電源以及開關電源模塊的優選集成電路,使得開關電源正朝著短、小、輕、薄的方向發展。With the development of the electronic technology, the higher requirements of power supply are raised including high efficiency, high power density, low emi and rapid dynamic response. a hysteresis - band instantaneous current control pwm technique is popularly used because of its simplicity of implementation, fast current control response, and inherent peak current limiting capability
隨著電子技術的發展,用電設備對電源要求不斷提高,開關電源正向著效率高、功率密度大、可靠性高、電磁干擾低、無噪聲、維護方便的方向發展。Dc control power system, which plays an important role of traction power substation, is expected to be with the characters of higher reliability, automation, precision, smaller figure and maintenance - free while the technique and management of electric railway develop rapidly
直流控制電源系統是牽引變電所的重要組成部分,隨著鐵道電氣化技術及運營管理的發展,對直流控制電源系統提出了更高的要求,具備高可靠、小型化、自動化、高精度、免維護等特徵的直流電源已倍受關注和期待。But the welding machine power supply is very important to the flash welding
而焊機電源在閃光焊接中起著至關重要的作用。Tg series small size generating sets are combined with advanced single bearing brushless generator and famous engine, it ? s direct - coupled between generator and engine, the generating sets have the characteristics of wonderful configuration, small measurement, light weight, easy operation and maintenance, it ? s reliable power supply for family as reservation source
甘油三酯系列小型發電機組,結合先進的單軸承無刷發電機和著名引擎,它的直接耦合關系發電機和發動機,發電機組,有特色的精彩配置,測量小,重量輕,易於操作和維修,它的可靠供電家庭作為保留來源This paper researches the digital characteristics of the welding power supply and the main circuit of the full bridge high power soft - switching. nowadays, welding machines usually apply the hard - switching as the topology, which causes the problem of higher loss and lower efficiency
目前焊接逆變電源所應用的大功率電路多採用硬開關電路,這樣在功率器件導通和關斷過程中會產生很大的損耗,並且隨著逆變頻率的提高,損耗會增大,這樣就降低了焊機的效率。With the development of power electronics, the technology of switching mode power supply ( smps ) is gradually being perfect
隨著電力電子技術的發展,對大功率、高性能的開關電源地要求越來越高。The third, according to the aforementioned project, a hardware system is provided which includes the core chip - tms320dsc21 ( ti special dsp ) and its peripheral circuits ( clock and power supply ), video input module, network output module, alarm module, and cradle head control module. the design and debug of hardware system is finished
接著以ti公司的專用dsptms320dsc21為核心,進行了嵌入式網路攝像機的硬體設計,硬體部分包括: dsc21核心及相關電路(時鐘、電源和調試電路) 、視頻輸入模塊、視頻數據網路輸出模塊、報警模塊和雲臺控制模塊。Micro power is one of key area in the development of mems technology. with the quick development and maturity of mems technology, micro power has become the key problem in this field. it is an important element in realizing the autonomous working of mems sensors, actuators and microsystems
微電源是mems技術發展最重要的研究方向之一,隨著mems技術的迅速發展和成熟,微電源已成為該領域急待研究解決的關鍵問題,是實現mems傳感器、執行器和微系統獨立工作最重要的關鍵基礎部件。分享友人