調壓逆變器 的英文怎麼說

中文拼音 [diàobiàn]
調壓逆變器 英文
voltage-regulated inverter
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : 壓構詞成分。
  • : 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...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速,減少了輸出電流的諧波,降低了脈動轉矩,提高了電的利用率。
  2. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加熱電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案:在對比幾種功率調節方式的基礎上選擇了不控整流加斬波調作為直流部分。在這部分里,重點研究了一種軟開關buck,通過分析各階段的工作原理說明了開關件如何工作在軟開關狀態;對于部分,在比較了串、並聯優缺點的基礎上選擇了串聯諧振,並詳細分析了串聯的工作原理,提出了最佳死區的計算方法。
  3. 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化,使諧振電脈沖列的幅值追蹤參考正弦電信號,經過整流、濾波、低頻,從而獲得正弦度較好的輸出電。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開通,滯后橋臂或者零電開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻的各個開關均實現零電條件下的開通與關斷。
  4. Under the result of the inverter ' s steady sate study, the limitation limited by two factors : the minimum time of opposing voltage and the ajustive range of power factor can be gained. a qualitative analysis method based on energy decomposing is applied to study the initialized energy

    在討論串並聯穩態工況的基礎上,從最小反時間和功率因數調節范圍兩個限制條件,求出允許的穩態運行極限負載,啟動電路在此極限負載下能可靠地啟動就足夠了,追求更高的啟動能力沒有實際意義。
  5. Novel dead - time compensation strategy for space voltage vector pwm inverter

    一種新穎的空間電矢量調的死區補償方法
  6. After the analysis of the state of converter switches, the voltage space vector is received. on the basis of hexagon stator flux trace method of traditional direct torque control, by changing the regulation of stator flux, hexagon and approximate round trace of stator flux can be got when using different voltage space vector. the fast regulation is realized when three - value regulator is used to adjust torque

    通過對開關狀態的分析進而得到電空間矢量,並且論述了電空間矢量與轉矩和磁鏈之間的關系,使用兩點式調節方法對定子磁鏈進行調節,實現六邊形磁鏈軌跡和圓形軌跡方案,對轉矩採用三值調進行調節,以實現轉矩的快速調節。
  7. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學位論文針對這種前級移相全橋軟開關周波流型三相高頻鏈結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波的pdm控制;按高頻電脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調調控制輸出電,在滿足輸出電條件下使諧波最小。
  8. We discussed the four - legged inverter with space vector modulation ( svm ) to aim at three - phase four - line output ; we introduced the principle of three dimensions svm, and attained the related control scheme. with the illustration of 15kva vscf power inverter, we tested and verified that the inverter system under 3d svm control can realize the three phase four line output and linear voltage regulating

    針對三相四線輸出的電源系統,對採用空間矢量控制的四橋臂進行了深入研究,對三維空間矢量調制方案進行了分析求解、模擬,並給出了適用於15kva速恆頻電源的解決方案,實現了的三相四線輸出以及線性調
  9. The pid control of output voltage feedback is easy to give attention to static and dynamic performance of the control system. output performance of inverter of ups is improved when rms of output voltage feedback is added to pid control system. the hardware and software is designed in order to achieve the digital pid control of inverter of ups

    設計了用於數字化控制的采樣調理電路,結合tms320f240的硬體資源,通過軟體實現了ups系統的緩起動和市電跟蹤,並改進了瞬時值控制,通過引入輸出電流中心值檢測,對反饋電進行補償,解決了輸出的偏磁問題。
  10. A novel topology of dc - rail zvt voltage source three - phase pwm inverter is advanced. the principle, design considerations, modulation index and efficiency of the proposed inverter are discussed in detail

    提出了一種新型直流母線零電過渡電源三相pwm,並對該電路的工作過程、參數設計、調制系數以及工作效率等進行了詳細的分析和試驗研究。
  11. Using dsp of ti inc. - - - - - - - tms320f240 this thesis develops a general ac variable - speed system, and then carries out the research on various new control strategies for induction motor based on it. this paper explains sine pulse width modulation ( spwm ), space - vector pulse width modulation ( svpwm ), and new pulse width modulation method - hybrid space vector pulse width modulation ( hsvpwm ) aiming at a inherent problem of dead time in the common pulse width modulation

    本文闡述了正弦脈寬調制( spwm )控制技術;電空間矢量( svpwm )控制技術;以及針對常用脈寬調制方法中存在的一個固有問題? ?開關件死區時間的影響,提出了一種新的脈寬調制方法:混合空間矢量脈寬調制控制技術。
  12. The operating principles of svpwm and associated control algorithms are also covered in the paper. by using svpwm to control the magnitude and phase angles of the spatial voltage vector, the speed control of the drive system in this paper can reduce the output of current harmonics, lower the torque ripple, and improve the energy efficiency

    本文還對svpwm的工作原理和控制演算法進行了研究,控制系統採用svpwm演算法,通過對空間電矢量的幅值和相位的控制來調節電機轉速,減少了輸出電流的諧波,降低了脈動轉矩,提高了電的利用率。
  13. Unlike inverters for general purpose, auxiliary inverters of subway vehicle have the characters of high power, wide range of high dc input voltage, entirely sealed electronic units and natural cooling. single pulse width modulation ( pwm ) technology is found to be optimal by comparing several different high power inverter technologies and is utilized in the 2 - channel staircase inverter discussed in this thesis

    針對地鐵車輛輔助電源的大功率、直流側輸入電高且化范圍寬、輸出電穩定且波形質量高,電子部件全密封且要求自然冷卻的特點,分析比較了幾種大功率技術方案,選擇單邊脈寬調制階梯波合成為研究對象。
  14. 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和電作了比較分析,歸納了串聯諧振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。
  15. This paper study a two - phase inverter - fed induction - motor drive, which can be widely used for low - power, variable speed drive system. the study has completer the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use. it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of singlechip controller, power drive device, inverter - fed device, a low power tow phase induction motor and safeguard circuit

    本文研究了一種新型電空間矢量控制兩相?異步電動機的調速系統,該系統可以廣泛應用於小功率、寬調速運行的場合。本項研究完成兩相的設計,並組成了試驗用的兩相?異步電動機系統。系統是一個轉速開環的調速系統,由單片機機控制電路、功率驅動電路、主電路、保護電路組成。
  16. A zero - voltage starting method is brought forward which switch the starting from separate exciting to self - exciting successfully ; pll ( phase lock loop ) technology is employed to realize the frequency tracing and constant phase angle control ; igbt driving and protective circuit suitable for parallel inverter is developed, which successfully solve the problem of time compensating and overlapping regulation for the driving signals ; a novel and practical over - voltage protective method for parallel inverters is presented which effectively avoid the possible over - voltage destroy to the inverter. xu haiwen ( power electronics and electric driving ) directed by senior engineer peng yonglong

    提出了一種零啟動的他激轉自激方法;通過採用鎖相環技術實現了工作頻率的自動跟蹤和容性角度的恆值控制;設計了適用於並聯諧振型的igbt驅動與保護電路,解決了驅動信號的時間補償以及重疊角的可調問題;提出了一種新穎、實用的保護方法,有效地解決了並聯型諧振保護這一難題。
  17. The performance of the electric vehicle is improved greatly in which the harmonic wave of output voltage, power loss and torque pulsation of the system are decreased by controlling the switch angles

    它運用規則采樣法產生正弦脈寬調制波,通過開關角的控制抑制輸出電中的諧波分量,降低了電動機的損耗和轉矩脈動,使電動車的運行性能得到了較大改善。
  18. To get a high precision rotate speed, the system has realized the respective control of ipm ' s input dc voltage and output voltage wave frequency

    為了保證系統的轉速精度,將直流側電和交流輸出頻率分開調節。
  19. This paper contrasts performance of current controlled two - state modulation inverter with one based on voltage mean value and instantaneous value feedback by simulation

    在此基礎上,對電流控制兩態調和電平均值電瞬時值反饋的spwm的性能進行了模擬對比。
  20. The list betterments aimed at the properties of system : through the testing of dc voltage, pulse width and inverting voltage and frequency can be regulated online to fit for different steady load ; reducing speed ripples by compensating with nonzero voltage working proportional time ; adopting the technology of harmonics suppression. as a result, the high precision and wide speed control is realized and the step out is overcome

    針對系統的性能指標,做了如下改進:對直流側電的檢測,在線調導通脈寬、輸出電和頻率,可以適應不同大小的恆負載;並用非零電矢量作用時間進行補償的方法,減小電機的低速脈動;加入了諧波抑制技術等。
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