箝位電路 的英文怎麼說
中文拼音 [qiánwèidiànlù]
箝位電路
英文
clamp circuit- 箝 : clip
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 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...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later
每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲,由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成,前級採用電壓型pwm前饋控制技術,后級採用三態dpm電流滯環控制技術。Ppfc working principle, circular current and effects of clamping capacitor are studied in this paper in detail. because of the clamping capacitor, ppfc have some good features compared with ppc : reducing the fluctuate of the input current ; restraining the voltage spike of the power mosfet ; avoiding the bias - magnetic of the transformer
由於箝位電容的加入,相對于推挽電路而言,該拓撲具備了一些獨特的優點:減小了輸入電流的脈動:削弱了開關管的關斷電壓尖峰;有效抑制了變壓器的偏磁。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。Bidirectional clamping circuit
雙向箝位電路Baker clamping circuit
貝克箝位電路Because of the clamping capacitor and the interleaved structure, it has some good features compared with other flyback converters, such as : the topology is simple and can be realized easily ; the voltage spike of the power switch is availably restrained and without leakage - inductance energy loss ; the ripple of the input and output current is reduced, correspondingly, the volume and weight of the output and input filter is also significantly reduced
由於箝位電容的加入,相對于其他類型的反激式變換器電路,該拓撲具有一些獨特的優點:電路結構簡單且易於實現;無需另加輔助開關管,實現了開關管的有源箝位,抑制了開關管的電壓尖峰;提高了輸入、輸出電流的脈動頻率,減小了輸入及輸出濾波器體積。The following is the main works and conclusions of this thesis. the novel upfc needs high power rate because it is generally used in high voltage transmission lines. after studied high - power converters and the literatures of upfc, the main circuit topology of novel upfc base on diode - clamping multilevel inverter is presented and the principle of using novel upfc to eliminate zero sequence and negative sequence currents is analyzed
本文所做的主要工作及得出的主要結論如下:由於upfc一般用於高壓輸電線,其功率等級要求很高,在綜合研究大功率變換器和upfc現有文獻的基礎上,提出了基於二極體箝位多電平變換器的新型upfc的主電路拓撲,分析了用其來濾出高壓輸電線非全相運行時所產生的零序和負序電流的原理。1 ) the transformer leakage inductance will cause surge voltage across the switches. two clamp circuits are combined to solve this problem : lcd clamp circuit, in which the voltage across clamp capacitor is no reverse ; flyback clamp circuit, which consists of an additional flyback winding coupled with the boost inductor and a diode connected to the output terminal
本文綜合了兩種箝位電路: 1 ) lcd箝位電路,箝位電容上電壓不反向; 2 )通過增加一個與升壓電感耦合的反激線圈和一個連接到輸出電容的整流二極體,構成反激箝位電路。Double forward converter ( dfc ) has many advantages, such as inherent anti - break - though capability, auto clamping the switch voltage etc. regarding the excellent reliability, dfc is one the most widely used topology in the industrial applications, especially for low output voltage area, such as telecommunication energy systems and welding power supply
雙管正激變換器具有內在抗橋臂直通的優點,能使開關管上的電壓自動箝位在輸入電源電壓。由於其可靠性高,電路設計簡單,因而成為目前在工業中應用最普遍的變換器結構之? ,特別是適合於輸出電壓較低應用場合,比如通信系統中的一次電源和弧焊電源。The main ideas of the thesis and the contributions to the resonant dc - link area are also listed in this chapter. a novel control strategy for the two - amplitude actively clamped resonant dc - link is proposed in chapter ii. it neglects the bus short circuit time adjuster and stabilizes the clamping voltage by a pi regulator so that the obtained link frequency is improved and the link losses are greatly reduced
第二章針對雙幅控制技術在單相橋式電壓源逆變器中的應用為範例進行研究,提出了直流母線無短路控制和通過pi調節環穩定箝位電壓的雙幅諧振控制策略,進一步提高了母線振蕩頻率,減少了直流環節損耗。This paper is to discover the clamp circuits for realizing video decoder ic ( integrated circuit ), and focusing on realizing the function of video clamp circuit and project design with cmos process
本文旨在探索為實現視頻解碼晶元的模擬前端而作的箝位電路設計。重點論述了在cmos工藝下視頻箝位電路的功能實現及設計方案。Based on studying of the multi - level technique, a variable frequency speed regulation system based on the diode clamped three - level inverter is introduced in this thesis in detail. it includes ac - dc - ac main power circuit, snubber circuit, isolated driving circuit by optical fibre, delay time circuit on powering, sampling circuit of current and voltage, protection circuit and etc. a distributed power system ( dps ) which can reinforced the system ’ s security is developed to solve the power supply of the whole system
本文在研究多電平技術的基礎上,研製了一套以二極體箝位式三電平逆變器為基礎的變頻調速系統,包括:交-直-交主功率電路,緩沖電路,光纖隔離驅動電路,上電緩沖延時電路,電流、電壓采樣電路,保護電路等。Serial - parallel combined two - transistor forward converter is presented for high input voltage and high power application, and the operation principle of the topology is analyzed in this paper. all switches are turned off with zero voltage switching, and the two switches of them are turned on with zero current and zero voltage switching. the difference of input capacitances, conducting voltage drop of switches, duty cycle and windings of the transformer of the combined converter influences the voltage balance of the input capacitors
本文介紹了雙管正激變換器的兩種穩定工作狀態,詳細分析了帶lcd無損箝位網路的並?並組合式雙管正激變換器的工作原理,該組合式變換器中的開關管實現了零電壓關斷,並介紹了該電路拓撲的特點和lcd網路參數設計,採用pspice軟體進行了模擬和分析,最後,研製出一臺2 . 3kw樣機。The active - clamp network is used to clamp the voltage across power switches, and to achieve zero - voltage - turn - on of the power switchs, etc. detailed analysis and simulation of the converter are performed, from which some important results are obtained
著重介紹了有源箝位zvs軟開關電路的特點及其在升壓型直直變換器中的應用,並給出了主要的模擬波形。Zhou ping ? sen, wang hui ? zhen. a primary side clamping topology for two ? transistor forward converter j. power electronics, 2003, 37 ( 5 ) : 4749
周平森,王慧貞.一種雙管正激變換器的初級箝位電路j .電力電子技術, 2003 , 37 ( 5 ) : 4749For the 8 - bit clamp circuits mainly including an 8 - bit dac ( digital analog converter, which can be shown as d / a ), which function with a matching an op amp that turns the single ended signal to a full differential, so it is the point emphasized in this paper
因為8 bit箝位電路最主要由一個8位的d / a ( digitalanalogconverter可簡寫為d / a )和一個與之相配的單端變全差分信號的運放來實現。因此,這也是本文著重論述之處。Sheng zhuan ? cheng, li guang ? yong, he huai ? qian. a new soft switching topology for double switching forward converter j. power electronics, 2001, 35 ( 3 ) : 4346
周平森,王慧貞.一種雙管正激變換器的初級箝位電路j .電力電子技術, 2003 , 37 ( 5 ) : 4749Because of the advantages of high efficiency, small volume and weight, the active - clamped forward circuit are used as the dc / dc converter
鑒于有源箝位正激變壓器體積較小、重量較輕,採用它作為前級的電路拓撲。The operation principle and parameter design of power circuits, lcd camping circuits and control circuits are proposed and a 6kw prototype is successfully developed. a novel dc / dc transformer is proposed in this thesis
本文詳細論述了6kw新型組合變換器主電路、 lcd箝位電路和控制電路的工作原理和參數設計,並給出了實驗結果。The two - amplitude resonant dc - link technique offers a good solution to the " bottleneck " problem of the traditional actively clamped resonant dc - link, that is, the high operation current and losses on the resonant loop. by this way, the resonant dc - link technique can be widely used in higher power application
雙幅諧振直流環節技術解決了傳統有源箝位諧振直流環節中諧振迴路的電流和損耗過大這一「瓶頸」問題,拓寬了諧振直流環節技術在大功率場合的應用。分享友人