電流型逆變器 的英文怎麼說
中文拼音 [diànliúxíngnìbiànqì]
電流型逆變器
英文
current source inverter- 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...
- 逆 : Ⅰ形容詞1 (方向相反) contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 (抵觸; 不順從) go aga...
- 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
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
-
1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %
從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾波、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。Based on output voltage and capacitor - current feedback current spwm control, the inverter is modeled and the prototype is made
並對採用輸出電壓和電容電流瞬時值反饋的電流spwm控制技術逆變器建立了模擬模型,製作了原理樣機。Current control voltage - source inverter ( cc - pwm inverter ) is applied widely in many industry fields because of its excellent dynamic performance
電流控制電壓型逆變器( cc - pwm逆變器)由於它具有優良的系統動態響應特性,在許多工業領域中得到了廣泛的應用。The generator is verified to be of well performances by experiment. the third part concerns the control system of pm generator in vehicle application by commutating and inversion. considering the development of future power supply of auto electric system and the economizing on energy, the multi - voltage power supply system for future autos power supply system is introduced, and the design is given in detail
最後,結合現代電力電子技術,利用整流橋、逆變器、 mosfet等元器件設計並實現了車用永磁發電機恆壓輸出控制;從未來汽車電氣系統的發展方向和高效節能方面考慮,提出未來汽車的多電壓供電系統的典型配電模型,並對該模型進行具體設計,實現多電壓供電的功能,並給出了控制線路中各主要部分的波形。There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not
首先引入開關函數概念,建立了正弦脈寬調制( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角度出發,提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。In the synchronous " model, based on the idea of polygonal flux linkage locus, by means of constructing the switch state period table of three phrase voltage inverter is required. in the brushless model, the igbt ( isolated gate bipolar transistor ) switch state period table is gained by gal ( generic array logic ) which analyzes the signal of position feed - back
在同步方式下,基於多邊形磁鏈軌跡法的思想,用作圖法求得三相電壓型逆變器的pwm波形序列;在無刷直流方式下,用gal對位置反饋信號進行邏輯綜合,得到開關管的導通規律。The mathematical model of each element of a stand - alone wecs including wind turbine, permanent magnet generator, rectifier, storage battery and pwm inverter is developed in the d - q rotor reference frame in chapter 3
第三章在d - q坐標軸中,建立獨立風能轉換系統中各組成部分:包括風力機、發電機、整流器、蓄電池和逆變器的數學模型。The principle of ac - dc - ac locomotive is that transformer transforms the high single - phase ac voltage from contact system to lower ac voltage first, then rectifier transforms this ac voltage to steady dc voltage, finally converter transforms this dc voltage to three - phase vfvv ac voltage as the voltage source for asynchronous machine
交?直?交型電力機車系統的原理是:先將從接觸網獲得的單相交流高電壓經變壓器降壓后,再經整流器變換為平穩的直流電壓,直流電壓經逆變器變換為三相交流電壓,供給機車輪對上的牽引電機。Some research about sensorless control of induction motors in recent years has been introduced in chapter one. in chapter two, a field - oriented control system with current regulator and voltage source inverter ( vsi ) is presented firstly, which is proved in theory that the voltage feed - forward decoupler can be omitted, the good decoupled control properties of flux current and torque current is also validated by experiments with speed - sensor based on f240dsp real system
論文第二章從異步電機的基本數學模型入手,介紹了一種基於轉子磁場定向的帶電流內環控制的電壓型逆變器輸出閉環矢量控制結構,在理論上證明了該模型可省略電壓前饋解耦環節,採用f240dsp晶元構建的帶速度傳感器實驗系統驗證了其定子電流勵磁分量和轉矩分量有良好的解耦控制特性。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
提出了一種針對三相交流電機驅動的新型諧振極零電壓過渡三相pwm逆變器電路,該電路中三個逆變橋臂的零電壓過渡更具有靈活性,僅使用一個諧振電感,既減少了電感損耗又防止了電機三相定子繞組可能存在的不平衡問題,並且諧振電感中殘余能量能夠回饋給電源;新型逆變器的輔助開關均工作在零電流開關條件下,並且控制邏輯簡單。Chapter 2 compares the differences of the current - fed converter and the voltage - fed converter used in induction heating power, and give a special focus on the voltage - feed converter, these content is the base of all the following chapters, and is the guideline of the project i did
第二章對感應加熱電源中的電流型逆變器和電壓型逆變器作了比較分析,重點介紹了關于串連型感應加熱的特點,是后續各章節的理論基礎,也是所作課題的主要依據。This paper presents a novel single phase aeronautical static inverter. a novel combining two - transistor forward converter is presented and applied in the front of three - level hysteresis current controlled inverter, and a single - phase 6kva aeronautical static inverter is developed
本文介紹了一種新型的單相航空靜止變流器,電路通過一新穎雙管正激組合式變換器作為三態滯環控制電流型逆變器的直流輸入前級,成功研製出6kva單相航空靜止變流器。Chapter 2 compares the differences of the current - fed converter and the voltage - fed converter used in induction heating power, then induces the power regulation methods of the series resonant inverter and compares the characteristic of these methods. and then, a capacitive pwm & pfm control method which is suitable for medium and small power out induction heating is given
第二章對感應加熱電源中的電流型逆變器和電壓型逆變器作了比較分析,歸納了串聯諧振逆變器幾種常用的調功方法,對這幾種控制方法的優缺點進行了比較,提出了適用於中小功率感應加熱的容性pwm & pfm控制方法。In the hardware aspects, this text analyses the voltage - source inverter and current - source inverters. in the same time this paper gives the strongpoints and weakness of them. in order to find the best way to induce the harmonic, the paper gives three control strategy, that is the voltage - source inverter adopt space vector pwm ( svpwm ) and singual pwm ( spwm ) and three - level inverter adopt singual pwm ( spwm )
本文在逆變器的硬體電路上分析了電壓型逆變器和電流型逆變器的特點;在控制策略方面,提出了三種方案:電壓型逆變器分別採用svpwm 、 spwm控制策略和三電平逆變器採用spwm方法。This paper make a study of controller on permanent magnetsyn - chronous motor. the permanent magnetsyn - chronous motor has many virtue such as simply structure and simle solidity etc. with this excellence. it has more and more uses in industry and agriculture. the idea of this paper is to control permanent magnetsyn - chronous motor system through vector control. to solve the problem of pid regulator, we use the fuzzy control and self adaptive pid
本文設計的思路是採用轉子磁通定向的矢量控制技術,主電路採用spwm和交-直-交電壓型逆變器,其中spwm採用sa4828晶元直接產生,在控制器的實現方面,採用了tms320lf2407型dsp晶元作為主控板cpu ,實現了電流、轉速雙閉環的控制系統。To transform a voltage - control problem to a current - control problem, a current - controlled voltage - source inverter ( cc - vsl ) is considered, and a power flow controller based on ph control algoritltnm is designed to improve dynamics of control system and implement closed - loop control to active and reactive power. to promote adaptation and robust, a self - tuned p1 power controller based on fuzzy rule is presented
論文還探討了採用電流跟蹤控制pwm電壓型逆變器實現sssc的問題,將注入串聯電壓控制問題轉換為逆變器的電流控制問題,以此建立了sssc控制系統的結構,並設計了基於pi控制演算法的sssc的潮流控制器,模擬表明其改善了系統動態特性,實現了對p和q的閉環控制。The analysis shows that it has good performance even with unsymmetrical load. this paper mainly describes the circuit scheme, operation principle, parameter design of this three - lever hysteresis current controlled inveter and analyses the stiffness and stability of the system
本文主要介紹了三態電流滯環控制型逆變器的電路結構、工作原理和主要參數的設計,並對系統的外特性和穩定性進行了分析。Plc and dsp controller were used in current - source inverter and voltage - source device. based above, a high power scr current - source line - commutated inverter and a voltage - source line - connected inverter were developed
在電流型逆變系統中,運用可編程序控制器( plc )作為控制核心,並在mcgs組態平臺實現和工控機的通訊。Three kinds of the usual methods of rotor flux estimation are compared and analyzed, and the method of rotor flux estimation based on the voltage model is studied in detail. and the output phase voltage is reconstructed by means of the dc - bus voltage and the switching states of the inverter, the effect of the dead time and saturating voltage - drop of the switches on flux estimation is discussed. and the method of synchronizing instant speed identification is also studied deeply
本文對三種常用的轉子磁鏈觀測方法進行了對比分析,在此基礎上著重研究了基於電壓模型磁鏈觀測方法,分析了利用直流母線電壓和逆變器三相開關管的狀態進行輸出電壓重構方法,討論了死區時間和開關管飽和壓降對磁鏈觀測結果的影響,深入研究了同步瞬時轉速辨識方法。The digital control of the full bridge inverter and the control strategy for outputting sinusoid current of inverters are mainly discussed. it presented a digital control method of digital pid for current control of single phase full bridge inverters through analyzing the mathematical model of inverters and its spwm method
介紹了交流穩流源的基本設計原理和結構以及電壓型逆變器的spwm調壓方法,並在分析單相全橋逆變器數學模型的基礎上,在電壓型逆變器中實現控制輸出電流的數字pid控制方法。分享友人