main inverter 中文意思是什麼

main inverter 解釋
主變換器
  • main : adj 1 主要的，主，全，總。2 充分的，盡量的；全力的，有力的。n 1 體力，氣力；力〈僅用於 with might...
  • 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。
  1. This paper proposes a soft - swiching inverter based on mrac and analyzes the design of main circuit drive circuit and control circuit in details

    提出了一種基於模型參考自適應控制的軟開關逆變器，詳細分析了主電路、驅動電路和控制電路的設計。
  2. The company ' s main business : sheet metal equipment research and manufacturing ; automative system integration ; professional trading laser cutting equipment, 、 maintenance 、 accessories ; maintenance of the world ' s brand servo amplifier inverter 、 plc ； smt 、 generate electricity 、 manufacture industry pcb ; at home and abroad of cnc machine tools, upgrades, accessories ， electrical and mechanical design

    本公司主要經營：板金設備開發製造；自動化系統集成；專業激光切割設備買賣、維修、配件；維修世界各品牌伺服放大器、變頻器、 plc ；各類數控印刷、 smt 、發電、製造行業電路板；國內外數控機床改造、升級、配件、機電設計等。
  3. All sorts of imperceptible factors making the system get worse, including the harmonic of the inverter and magnifying of dv / dt over long cable and the effects after applying the inverter. i applied the three - level main circuit structure to the esp system, so that the high voltage problems resulted by low endureing voltage can be solved, at the same time avoided the voltage distributing because of devices in series

    為此本文將三電平主電路結構運用到潛油電泵變頻系統中，以解決由於當前器件耐壓較低而要求實現中高壓問題，同時避免了由於器件串聯而引起的均壓問題，具有諧波含量較二電平變頻器要低和體積較低壓單元串聯方式要小等特點。
  4. Chapter 4 analyzes the main circuit and strategy of rectifier circuit. it also introduces the function of different parts of control circuit of inverter and drive circuit

    第四章給出了電源的主電路，並分析電路的控制策略，逆變控制各部分的電路功能以及驅動保護電路等等。
  5. The programme logic controller is utilized to control the inverter ' s output frequency which accomplishes controlling the velocity of speed - controlling asynchronous moter. the velocity between main asynchronous moter and speed - controlling asynchronous moter is composed by way of the differential planetary gear train, the tranmission system is made to regulate velocity stepless in large scope which succeed in controlling starting progress of load

    使用可編程式控制制器對變頻器的輸出頻率進行控制，實現對調速電機轉速的控制。調速電機與主電機的轉速經差動行星輪系的速度合成，可使傳動系統在很大范圍內無級調速，實現對負載的可控起動。
  6. The inverter controls main drive, the serve motor, the pneumatic components control the auto - doffer. the machine ensures safety and reliability

    變頻器控制主傳動，伺服電機、氣動控制自動落紗，性能安全可靠。
  7. 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。
  8. A novel cycloconverter - rype three - phase hf link inverter topology for soft - switching based on phase - shifted full - bridge mode is proposed, whose main advantages are as follows : under the conditions of d < i < and overlap - d, the switches of the leading leg are turned on at zvs and the switches of the lagging leg are turned off at zcs and all switches of the cycloconverter circuit are commutated in the overlapping mode in the interval of zero voltage, which makes the circuit realize soft switching to the utmost extent and reliably solve the problem of peak voltage caused by the storing energy of leakage inductance of hf transformer

    論文提出一種新型移相全橋軟開關周波變流型三相高頻鏈逆變器，電路的主要優點是：前級移相全橋的移相角控制在_ d _ i和_ （ overlap ） - _ d條件下，超前橋臂零電壓開通，滯后橋臂零電流關斷，並使周波變流器所有開關在零電壓期間重疊換相，使整機開關最大程度地實現了軟開關，並可靠解決了高頻變壓器漏感儲能引起的電壓尖峰問題。
  9. This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved

    本文提出了一種採用修補spwm正弦表值的方法，用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變；逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器，提高了系統的動態響應指標；系統設計了完善的保護措施，並具有市電電網的故障診斷功能。
  10. According to recording data of higher level monitor and control system when main motor drive system for four - high medium plate mill is operated, and relation between armature voltage of dc electromotor and ac input voltage of inverter, trip cause of dc fast automatic switch was analyzed in detail, and specific countermeasure and measures are given

    根據中板四輥軋機主電機傳動系統運行時的上級監控系統記錄數據，以及直流電機電樞電壓與變流器交流側輸人電壓的關系，詳盡地分析了直流快速自動開關跳閘故障原因，並提出具體的對策及措施。
  11. 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。
  12. Aeronautical static inverter ( asi ) is a kind of static converting device, which converts the dc ( 27v / 270v ) in the main power of aircraft into ac of constant - voltage and constant frequency by means of power semiconductor devices. with the development of the aircraft, all the electric equipment on the plane requires the power supply system with better performance

    航空靜止變流器（ asi ? aeronauticalstaticinverter ）是航空電源系統的二次電源，其作用是將飛機主電源直流電27v或270vdc變換成恆壓恆頻單相115v 400hz ，單相36v 400hz ，三相115v 200v ，或三相36v交流電，供飛機上負載使用。
  13. Because direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable for the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function

    在本控制系統的具體實現上，由於直接轉矩控制對實時性要求很高，因此在硬體方面，採用了目前比較流行的數字信號處理器（ dsp ）作為系統的控制器，其處理速度高的特點正好符合本實驗的需要：在主電路中，本系統使用了集成度高的功率器件：智能功率模塊（ ipm ） ，作為逆變環節，其集成了七個igbt ，實現了高開關頻率逆變以及故障診斷的功能，從而使控制系統的體積大大縮小、控制更加靈活。
  14. Due to the direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable to the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function

    在本控制系統的具體實現上，由於直接轉矩控制對實時性要求很高，因此在硬體方面，本課題採用了目前比較流行的數字信號處理器（ dsp ）作為本實驗的控制器，其處理速度高的特點正好符合本實驗的需要；在主電路中，本系統使用了集成度高的功率器件：智能功率模塊（ ipm ） ，作為逆變環節，其集成了七個igbt ，實現了高開關頻率逆變以及故障診斷的功能，從而使控制系統的體積大大縮小、控制更加靈活。
  15. The voltage peak and switching loss during switching of inverter is the main cause that due to the damage of igbt

    逆變橋電路開關過程中出現的電壓尖峰和大的開關損耗是導致主開關器件igbt損壞的主要原因之一。
  16. In order to obtain three - phase four - line ac output, system applied the four - legged main circuit topology. with the 3d - svm, the power system realizes voltage regulation and three - phase four - line output. meanwhile, this kind of control is easy to be realized in the digital inverter

    為實現三相四線的交流輸出，變換器電路採取四橋臂新型拓撲，其控制採取了三維空間矢量調制，實現了變換器的在線調壓及輸出中點的形成，具有良好的動靜態性能，且這種控制思想可以方便地在現有數字變換器平臺上實現。
  17. The fourth part analyzed the intermediate dc voltage and its control principle and the technical parameter of the main parts in the ac transmission system. several key technical problems such as parallel working of the ac motors, the wheel diameter difference under the bogie - control mode, the ac motor - inverter matching principle are studied in detail. the principles to determine the electrical parameters are also discussed

    論文第4章重點研究了變流器的中間直流電壓的確定及其控制規律，確定了交流電傳動系統主要部件的技術參數；研究了架控方式工作下電動機並聯工作、輪徑差、電機?變流器匹配原則等關鍵的技術問題；詳細分析了交流傳動系統在牽引工況和電阻制動工況下各參數的工作過程和控制原則。
  18. In this foundation 80khz / 180a high frequency inverter was designed, already succeeded to use in the fuji company induction heating power source main circuit resonant element character test, which confirmed the theory and the experimental study result accuracy and the rationality

    在此基礎上設計的80khz 180a高頻逆變電源，已經成功用於富士公司感應加熱電源的主迴路諧振元件的特性測試，也驗證了本文理論與實驗研究結果的正確性與合理性。
  19. In this thesis, we mainly investigate the resonant soft switching pwm inverter. the main contents are as follows : 1. through analysis of the dc - rail resonant soft swithing inverter and zvt ( zct ) - pwm technique, we advance the solution to resolve the question - how to apply pwm technique to control dc - rail resonant soft swithing inverter is resonant transition technique

    主要內容為：對直流環節諧振型逆變器的現狀進行分析研究，針對如何把諧振軟開關技術和pwm技術結合起來這一關鍵問題，提出解決這一問題有效的辦法是諧振過渡技術。
  20. The system consists of the ac input stage, single phase pfc, main inverter, output low - pass filter, auxiliary power supply, etc. the power supply extremely has an important position in the electronics equipments

    電源在電子設備中有著極為重要的地位，對變頻電源的研究具有重要的理論意義和工程實用價值。
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