斬波式 的英文怎麼說

中文拼音 [zhǎnshì]
斬波式 英文
chopped mode
  • : 動詞(砍) cut; chop; behead
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  1. 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的基礎上選擇了不控整流加調壓作為直流部分。在這部分里,重點研究了一種軟開關buck變換器,通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態;對于逆變器部分,在比較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器,並詳細分析了串聯逆變器的工作原理,提出了最佳死區的計算方法。
  2. This paper select the series - resonant inverter because it is more suited to high frequency power supply and it will be easy to enhance power capacity and enable the power supply to work on higher frequency if power is regulated in the rectifier. so uncontrolled rectifier and buck chopper constitute dc circuit is selected as rectifier circuit

    並分析了感應加熱電源的各種調功方,在對比幾種功率調節方的基礎上,得出在整流側調功有利於高頻感應加熱電源頻率和功率的提高,選擇了不控整流加器調壓作為研究對象。
  3. Thus, an open loop control scheme and a closed loop control scheme based on chopper system are introduced. lastly, a hardware and software design based on m icro - controller is presented

    本文最後對基於的三相交流異步電動機的軟起動方法給出了基於遠程監控的具體實現方案。
  4. The control method was introduced and the hardware of the controller was designed. the controller uses the 89c52 and 89c2051 as the main control unit and produces the on and off and angle signal of each phase. combined with protecting signal and current chopping signal, it can control the igbt on and off

    介紹了srd的控制方和本系統所採用的控制策略,對控制器的硬體電路進行了設計,控制器以89c52和89c2051雙cpu為主控單元,採用模糊調節,發出相通斷信號和角度信號,並和電流、電壓等保護信號以及信號相結合,實現對主功率元件的通斷控制。
  5. Bridge reversible chopper

    可逆電路
  6. This paper makes a detailed analysis as to the fundamental circuits and fundamental principles of boost dc - dc converter, spwm inverter and ac voltage adjustment circuit in the power supply. at the same time, the paper introduces the choice of the parameters and the design of control

    本文分別對逆變電源中的boost升壓電路、 spwm逆變電路以及交流調壓電路從基本拓撲結構和工作原理上進行了詳盡闡述,同時介紹了各功能模塊的參數選取和控制設計。
  7. This dissertation is focused on the theory of intelligent control and control system design for srm. firstly, this thesis analyzes pwm control method of srm and its convert circuit characteristics, and designed the control system based on tms320f240 dsp controller

    在介紹了sr電機及其控制系統設計研究的發展和現狀之後,本文首先分析了srm的pwm控制方以及兩相斬波式主電路特性,並基於高速數字信號處理器( dsps )在電機控制方面的優勢,設計出基於tms320f240的srd實驗系統。
  8. Meanwhile, fully - controlled igbt enables reversible flow of field current and reduce in the size of filter elements of main loop, so that the complete of device becomes smaller and lighter

    而全控的igbt不僅可實現勵磁電流的可逆運行,而且由於提高頻率,使主迴路濾器件的體積大大減少,從而使整個裝置體積減小、重量減輕。
  9. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於恆流驅動技術,按照頂層設計思想,採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架,設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等,利用該單片機獨有的hso和hsi介面及其強大的指令系統,實現了雙余度混合步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方切換控制,在此基礎上,該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。
  10. Second, the math model of the switched reluctance motor ( srm ) is established and its static performance is analyzed by two methods, which are the equivalent magnetic network method and the nonlinear magnetic parameter method ; the actual current and torque waveforms are given in the control of apc and ccc

    其次,採用等效磁網路法和非線性磁參數法分別建立了開關磁阻電機的數學模型,對開關磁阻電機的穩態性能進行了分析,得出角度位置控制和控制方下的開關磁阻電機的電流形及轉矩脈動形,並對兩種方法進行了比較分析。
  11. This thesis analyzes pwm control method of srm and its converter circuit characteristic, and designed the hardware control system based on tms320f240 dsp controller. the control system includes detector circuit, protection circuit, control and man - machine interface circuit, which makes full use of dsp recourse for high reliability and simplified the construction of system

    隨后介紹了srm功率變換主電路的兩相,並以ti的tms320f240dsp控制器為核心設計了實驗系統,針對srm的特點,充分利用了dsp的硬體資源,設計了相應的外圍硬體檢測、保護、控制及人機介面電路,使控制系統結構緊湊、可靠性高。
  12. The basic theory of switched reluctance generators ( srgs ) is illustrated. by analyzing the control strategies of srg, three control strategies of bsrgs are suggested : current chopping control ( ccc ), angle position control ( apc ), pulse width modulation ( pwm )

    綜合普通開關磁阻發電機的電流控制方,提出了無軸承開關磁阻發電機的三種控制策略:電流控制策略( ccc ) 、角度位置控制策略( apc ) 、 pwm控制策略。
  13. This paper puts emphasis on dynamic simulation based on switched reluctance drivers ' s ( srd ' s ) nonlinear model, and study of fuzzy control for srd. based on switched reluctance motor ' s linear, nonlinear model, the dynamic simulation model of srd ' s is built respectively. the phase current, phase torque, total torque and speed of srm in current chopping control ( ccc ) and angular position control ( apc ) are calculated respectively with this simulation

    本文在分析sr電機線性、準線性、非線性模型的基礎上建立了四相( 8 / 6極) sr電機調速系統( srd )動態線性、非線性模擬模型,分別對電流控制方( ccc )與角度位置控制方( apc )下sr電機相電流、一相轉矩、合成轉矩及角速度進行了模擬。
  14. To reduce the high starting current as asynchronous motors start up directly and eliminate the negative influence that brought about by switching of contact when it starts up with reduced - voltage means, two new methods based on power electronics technology for improving the starting characteristics of three - phase induction motor are presented. one is alternative voltage regulator, the other is alternative voltage chopper. the three - phase regulating circuit - asynchronous motors system and the three phase chopper circuit - asynchronous motors system are analyzed and simulated with matlab

    為解決上述問題,本文提出一種基於的三相交流異步電動機的軟起動新方法,論文對電路的起動特性、功率因數、諧以及控制策略進行了研究,模擬結果表明這種基於的三相交流異步電動機的軟起動方法比基於三相交流調壓的三相交流異步電動機的軟起動方法具優越性。
  15. The driver adopted the technique of automatic power changing between high and low voltage and the driving mode of constant current cutting wave, so that the low - frequency vibration of the stepping motor was reduced and the high - frequency torque was increased

    該驅動器採用高、低壓電源自動切換供電技術和恆流驅動方,降低了步進電動機的低頻振蕩,提高了步進電動機的高頻力矩。
  16. ( 4 ) after proposing the idea of " electro - magnetic drive force based on the principle of pmi motor ", the dissertation studies a new kind of balance head - pmi - erc. the pm - tr balance head with infrared remote control is designed, which is powered by battery and driven by cutting wave

    ( 4 )提出了「基於pmi電機原理的電磁力驅動」的思想,並據此研究了pmi - erc的新型平衡頭;設計了pm - tr平衡頭,採用紅外傳遞控制信號、電池供電、驅動。
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