能量變換器 的英文怎麼說

中文拼音 [néngliángbiànhuàn]
能量變換器 英文
energy converter
  • : 能名詞(姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
  1. In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance

    在基於dsp的數字平臺中,採用全數字波形校正技術,完全補償了控制信號延時、功率管開關延時以及死區時間對輸出spwm波形所產生的畸,充分保障了控制的準確性;採用數字直流分調節技術,可以精確地對控制信號進行補償,在充分保證輸出性的前提下,實現了輸出直流分的調節。
  2. Vector - contorl wvf system of asynchomous motor is a high performance speed - control system and has been used in a lot of situations of high precision and high performence. in the base of vector - control, some control methods are developing, for example speed - sensorlesss control and self - adaptation control

    控制的異步電動機頻調速系統是一種高性的調速系統,已經在許多需要高精度、高性的場合中得到應用。以矢為基礎的許多控制方法,諸如無速度傳感控制、自適應控制等正在發展中。
  3. The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter

    把軟開關技術和相移控制pwm技術以及雙向dc - dc技術有機結合在一起,有效地降低了電路的開關損耗和開關噪聲,為裝置提高開關頻率、效率以及降低尺寸及重提供了良好的條件;同時,拓寬零電壓開關的范圍,使在較寬的負載化范圍內都實現軟開關。
  4. 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和對稱分,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。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、轉矩脈動及兩相逆電容的影響等方面與各種逆和單相異步電動機組成的頻調速系統加以比較。在此基礎上,對兩相逆供電-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
  5. As an important part of fuel cell power generation system, dc / dc converter affects a lot to the volume, weight, cost, efficiency and performance of the system

    Dc / dc作為燃料電池發電系統的一個重要組成部分,對整個系統的體積、重、成本、效率和性的影響非常大。
  6. Calculation of no - load emf waveform for powerformer

    能量變換器空載電勢波形的計算
  7. This dissertation focus on a innovation methods for inverter controlled hydraulic elevator system applying pressure accumulator as the " pressure - energy transformer ". the required power supply and running energy can be reduced remarkably when accumulators storing and releasing pressure oil. then the key items about hydraulic speed control system based on the ens 1 - 2 and other hydraulic elevator standards are investigated in detail

    本論文主要研究了採用蓄-液壓泵馬達構成的「壓力-裝置」來儲存釋放頻驅動液壓電梯系統的,從而降低液壓電梯裝機功率和運行耗的新方案;在此基礎上,根據國內外液壓電梯的標準進行了與速度控制相關的關鍵項目測試,最後針對本課題研製的節控制系統與當前市場上幾種典型的液壓電梯控制系統進行了耗對比研究。
  8. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機頻調速技術的發展概況,在回顧電梯液壓控制系統節技術的基礎上,介紹了本課題研製的「採用蓄的液壓電梯頻節控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄迴路泄漏油損失機理的研究及其補償裝置的設計、蓄-泵馬達壓力裝置的設計、多功集成控制閥組的設計等內容;最後簡單介紹了本課題矢控制頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  9. A device for converting energy form one form to another. in relation to computers, the term is applied to a read / write head, to detector of sector marks in a magnetic disc system, and to electronic / sonic pulse converters of delay line memory

    從一種形式轉成另一種形式的裝置。在與計算機有關時,這個術語用在磁盤系統中的讀寫磁頭、扇面標記的檢測上,以及用在延遲線存儲的電子或聲波脈沖上。
  10. 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 )逆供電異步電動機,考慮主磁路飽和時的頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆-異步電動機系統角度出發,提出通過檢測逆輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆載波頻率)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。
  11. Dual randomized modulation technique is more effective than existing simple random modulation schemes, such as random position modulation or random switching frequency modulation, in dispersing the power spectrum

    與已經存在的任何一種單隨機方案相比,雙隨機調制技術驅散諧波而使之具有更寬的帶寬,更加有效地減少功率系統的離散譜峰值。
  12. Considering the above control strategies which make the controller can not be real - time processing because its workload has increased, control circuits of the main switches based on eprom are designed, which can implement control scheme of firing angles and phase voltage. furthermore, it avoids power converter saturation in the process of commutation

    上述控制策略的引入造成控制運算增大、難以在線實時控制,又設計了基於eprom的主開關件通斷控制電路,實現了開關磁阻電動機開通關斷角控制及對施加於相繞組上電壓的優化控制,同時避免了相時可引起的功率飽和現象。
  13. Proper selection of control algorithms and capacitor voltages helps synthesize controllable and waveforms almost sinusoidal three - phases ac voltage with minimum low - order harmonics at both sides of the converter

    選擇適當的控制演算法和電容電壓,的兩側合成低次諧波含小且波形近似於正弦的可控輸入/輸出電壓。
  14. Furthermore, it is easy to use different control strategy in the digital inverter, so different pwm control can be used, in order to optimize the design of output filter and improve the output performance

    同時,在數字平臺上可以方便地實現各種控制策略,達到進一步優化輸出濾波參數、提高輸出電、提高速恆頻電源整體效率等目的。
  15. System takes intel 16 micro - controller as the core controller and adopts advanced ipm module that replaces the silicon as inverter so that the output waveforms have been heavily improved, which compare with the waveforms after chopping of silicon, which not only reduces the loss of the transformer, but also lengthens the light life - span

    系統採用先進的智功率模塊( ipm )取代以往的可控硅作為功率件,以intel16位單片機為核心控制採用ac - dc - ac技術使輸出的波形較可控硅斬波后的波形有很大的改善,這不僅降低了的損耗而且延長了燈的壽命,提高了系統的運行質
  16. Based on the investigation with several voltage control methods, such as venturini method, instantaneous double - voltage synthesis method and space vector modulation method ( svm ), three new control strategies are put forward. firstly, a time - varying modulation coefficient svm method is proposed to improve mc ' s anti - disturbance performance under the asymmetry input voltage. secondly, a 5 - state switching strategy is presented for mc controlled by the svm method, which reduces the commutation number and switching losses remarkably

    在分析了venturini控製法、瞬時雙電壓法、空間矢法等電壓控制方法的基礎上,提出了在非對稱輸入條件下矩陣空間矢法的時調制比改進控制策略,提高了的抗干擾性;對空間矢法的開關策略進行了研究,提出了新型5狀態開關策略,在保證其他性不受影響的條件下,減少了流次數和開關損耗;提出了一種矩陣單電壓合成的新方法,它不僅使得的控制簡單,計算減少,而且使得開關損耗達到最少。
  17. Based on the difference of measuring errors between spectrum and a single pulse, the article introduces a procedure which can improve the specification of non - linearity of commercial adc for spectrum measurement without channel - width - everaging circuit

    摘要根據放射性譜測的誤差並不等於對單個脈沖測的誤差的特點,提出一種先測出模數的道寬,然後利用軟體方法進行道寬均勻的技術。
  18. Ultrasonic is a kind of mechanical wave that frequency is upper 20khz. ultrasonic may be generated by many ultrasonic transducers

    超聲波是頻率高於20khz的機械波,它可由多種而成。
  19. Double - pwm control converter is composed with common converter and pwm rectifier

    雙pwm是在一般通用的基礎上引進了pwm整流的裝置。
  20. It is now mostly used in hybrid electrical vehicles ( hev ) as an energy transducer and the electrical variable transmission ( evt )

    它主要作為能量變換器以及電無級應用在混合動力車上。
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