inverter loop 中文意思是什麼

inverter loop 解釋
反相迴路
  • inverter : n. 【電學】1. 換流器;倒相器,倒換器。2. 變換電路。3. 反相旋轉換流器。
  • loop : n 1 (用線、帶等打成的)圈,環,匝,框,環孔,線圈;【醫學】(常 the loop)宮內避孕環。2 環狀物,...
  1. In this paper, a kind of output current feed - forward circuit is added into the input of the current loop. by adding this compensatory circuit, the output character of the inverter is improved greatly

    本文還研究了一種提高逆變器輸出電壓外特性的思路,通過將負載電流正反饋給逆變器的電流環輸入端,從而達到提高輸出電壓的外特性的目的。
  2. The study has completed 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 voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換,建立了系統較精確的數學模型,編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究,實驗和模擬結果進行比較,說明實驗和理論較為一致,並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上,對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究,由於減少了低次諧波,改善了系統性能。
  3. The inner loop is equivalent to a controlled current source, so the inverter is easy to parallel with others

    系統的內環等效於一個受控電流放大器,便於與其他逆變器的並聯運行。
  4. The gpd3402 inverter and plc being selected to set up open - loop and closed - loop speed regulation systems, applying the invariable v / f control, sensorless vector control, slip compensation, process pi and network control technologies control the hoist motor of the stacker crane

    本文基於gpd3402變頻器的變頻調速方式進行應用開發,對堆跺機提升電機採用變頻調速控制,採用gpd3402變頻器及plc ,組建開環調速系統,分別應用恆壓頻比、無速度傳感器、矢量控制、轉差補償控制技術。
  5. Both software and hardware are synthesized. three - phase bridge inverter used, the current in each phase is made similar to sine wave using current closed loop control

    以igbt三相橋作為主逆變電路,對電機繞組電流按正弦規律進行電流閉環控制實現正弦波細分驅動。
  6. The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back

    勵磁電源結合步進電機原理與脈寬調制技術,選用智能功率模塊ipm作為逆變開關器件,輸出交流脈沖勵磁信號,以調節勵磁轉換頻率和勵磁電流大小為手段,實現對磁場旋轉頻率和磁場強度大小的有效調節,並通過閉環反饋實現閉環恆流控制。
  7. 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壓空間矢量控制兩相逆變器?異步電動機的變頻調速系統,該系統可以廣泛應用於小功率、寬調速運行的場合。本項研究完成兩相逆變器的設計,並組成了試驗用的兩相逆變器?異步電動機系統。系統是一個轉速開環的變頻調速系統,由單片機機控制電路、功率驅動電路、逆變器主電路、保護電路組成。
  8. The paper analyzed the basic theory and mathematic model of three phase voltage pwm inverter and proposed one kind of control strategy based on the voltage - current double - loop. it used the exterior loop to control the voltage the eps outputted, and used the inner loop to control the current. simulation testified that the control method could improve the dynamic response character and interference rejection ability

    在建立三相電壓型pwm逆變器在兩相同步旋轉坐標系下的數學模型的基礎上,提出了一種三相電壓型pwm逆變器基於電壓電流雙閉環的控制方法,利用電壓外環實現對輸出電壓的穩定控制,電流內環實現對輸出電流的控制,模擬證明該方法有效地改善了系統的動態響應及抗干擾能力。
  9. 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

    提出了一種零壓啟動的他激轉自激方法;通過採用鎖相環技術實現了逆變器工作頻率的自動跟蹤和容性逆變角度的恆值控制;設計了適用於並聯諧振型逆變器的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、實用的逆變器過壓保護方法,有效地解決了並聯型諧振逆變器過壓保護這一難題。
  10. Based on the modularized asi, cascade inverter topology structure and modulation mode is introduced in this paper. comparing with several control strategies such as single closed - loop feedback and dual close - loop instantaneous value feedback, the voltage - current dual closed - loop control strategy, which is the voltage effective value feedback and inductance current instantaneous value feedback, is adopted

    針對級聯逆變器討論其pwm調制技術,在比較幾種pwm調制技術的基礎上,對該級聯逆變器採用倍頻載波移相調制技術,其輸出不含載波諧波,邊頻諧波次數比二階和三階調制的邊頻諧波次數提高一倍,等效開關頻率也提高一倍。
  11. The experiment result shows that conversion efficiency in ccm is improved by 2 percent compared with that in dcm, although the on - resistance of winding in ccm is more than that in dcm. the analysis of open - loop transfer function in both dcm and ccm shows that pull - push hfl inverter at ccm

    微分補償網路的推挽高頻鏈逆變電路在輸出從空載變化到額定阻性負載變化的過程中,逆變電路工作模式從dcm變化到ccm模式,實驗結果表明電路在這兩種模式下都能輸出穩定的正弦電壓,且具有較高的穩態精度。
  12. ( 1 ) the dissertation theoretically analyses software direct compensating motor speed loss of open loop pump - control - motor speed governing system with inverter. the motor speed loss formula and compensating coefficient formula are given, and this provides the theoretic foundation for using software direct compensating method. the dissertation puts forward the control scheme of software direct compensating motor speed loss of open loop pump - control - motor speed governing system with inverter, and the method of " load sectionalization linear compensation "

    具體來說,本文的主要貢獻包括如下幾個部分: ( 1 )對軟體直接補償開環變頻泵控馬達調速系統的馬達轉速降落進行了理論分析,給出了馬達轉速降落公式和補償系數公式,為軟體直接補償開環變頻泵控馬達調速系統的馬達轉速降落提供了理論依據;提出了變頻泵控馬達調速系統的負載補償控制方法和「負載分段線性補償」方法,由此提高了調速系統的速度剛性和調速精度。
  13. 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。
  14. The performance simulating in time domain and open loop step experiment of pump - motor speed governing system with inverter are made

    本文圍繞這些難點問題進行了深入的系統的研究。
  15. This provides new clew for making the controller ' s parameters of pump - control - motor speed governing system with inverter certain. ( 4 ) the performance simulating in time domain and open loop step experiment of pump - motor speed governing system with inverter are made, and the rules of parameter change affecting response performance are obtained. the theoretic references are provided to improve the system ' s performance

    ( 4 )對主要參數對變頻泵控馬達調速系統的性能影響進行了時域模擬分析和開環階躍響應實驗研究,得到了參數變化對響應性能指標的影響規律,為提高大功率大慣性變頻泵控馬達調速系統的性能指標提供了參考理論依據。
  16. This thesis introduce the design of dsp control for three phase inverter, witch includes digital realization of pwm control, digital pll, swap control between inverter and utility, and communication with mcu. base on inverter model, inverter output l - c filter is investigated, and double - loop control scheme with tms320lf240 are selected

    本文主要介紹了基於dsp控制三相逆變器系統的總體設計方案,其中包括spwm控制的數字實現、逆變器輸出電壓的數字鎖相、逆變器與旁路間的切換邏輯及逆變器與上位機的通訊。
  17. Repetitive control is used to reduce voltage distortion under abrupt load variation or nonlinear loads and attain good quality of the voltage waveform ; current loop is designed to quicken the dynamic response and strengthen the ability of the inverter control

    重復控制可以抑制逆變電源在負載變化嚴重(空載加到滿載)或者非線性負載條件下的輸出電壓畸變,保證輸出波形的質量;電流環用以改善輸出波形的動態響應特性,提高逆變控制的能力。
  18. 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。
  19. Research on double closed - loop controlling strategy based on three - phase voltage source pwm inverter

    逆變器雙閉環控制策略研究
  20. The simulation model of pmsm close - loop control system is presented based on pwm inverter model and switching vector table model set up by the author and pmsm model in matlab. the model is proved correct from the simulation result

    然後在自行構造逆變器,開關電壓矢量表等模塊的基礎上,利用matlab中的永磁同步電機模型,實現了永磁同步電機閉環控制系統的模擬模型,模擬結果驗證了方案的正確性。
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