induction circuit 中文意思是什麼

induction circuit 解釋
感應電路
  • induction : n 1 引入,誘發,誘導(作用)。2 【邏輯學】歸納法,歸納推理 (opp deduction)。3 就職,就職典禮;...
  • circuit : n 1 (某一范圍的)周邊一圈;巡迴,周遊;巡迴路線[區域];迂路。2 巡迴審判(區);巡迴律師會。3 【...
  1. By likening a capacitor to a storage tank and an induction coil to a coil spring, tesla realized that a properly configured circuit could amplify electrical signals and raise them to ever higher frequencies and voltages

    將電容比擬為儲存槽,感應線圈比擬為彈簧,使特士拉理解到,適當的組裝電路可以將電流訊號放大,並且增加它的頻率及電壓。
  2. Heating principle of intermediate frequency induction furnace and some factors affecting its power factor are discussed, some betterments that parallel connection spacer circuit is replaced by interfusion connection spacer circuit are put in practice

    摘要對中頻感應爐的加熱原理以及其功率因數的影響因數進行了探討,並將不能恆功率輸出的並聯逆變電路改進為混聯逆變電路。
  3. Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils

    其次,為全面了解這種新型電磁電機的電磁特性和動力特性,本文從電機磁場的基本方程及其邊界條件出發,應用無旋磁場的標量磁位概念,建立了端面搖擺式電磁微電機內部磁場的數學模型,並以此為基礎,詳細分析了電機氣隙磁場的各方面性質,對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。
  4. 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。
  5. A circuit element, typically a conducting coil, in which electromotive force is generated by electromagnetic induction

    扼流圈通常是一個電感線圈,但電感線圈不一定都是用做「扼流」 。
  6. Through analyzing and researching the problem of variable frequency to working frequency of high - power electromotor in theory, the key of conversion is pointed out in the paper. on the basis of analyzing equivalent circuit diagram and vector - diagram of induction - motor, the phase of working frequency power whether or not consistent with the output phase of variable frequency power at the moment of conversion is the key to decide whether the conversion is successfully

    本論文針對大功率電機變頻轉工頻轉換存在的問題在理論上作深入細致的研究,根據感應電動機的等效電路和相量圖分析,指出大功率電機變頻轉工頻能否成功,關鍵在於變頻轉工頻瞬時,工頻電源和變頻輸出電源是否相位一致。
  7. The spray coils are frequently used to chill the secondary water circuit to the induction units in winter.

    冬季人們常用噴水盤管冷卻誘導器中的次級水流。
  8. At the same time, the control circuit must realize power regulating of the rectifying circuit and the inverter circuit and keep some parameters impervious to the interferer. this paper has researched high frequency solid induction heating power supply

    同時,控制電路必須對整流電路、逆變電路等系統主電路部分進行功率控制,使在各種擾動下維持系統各參量不偏離其設定值。
  9. 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。
  10. The degree of self - induction is proportional to the cross - sectional area of the circuit

    而自感的程度與線圈橫切面的面積成比例。
  11. 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。
  12. It " s very necessary to design and utilize the drive circuit of high frequency power mosfet, power regulation circuit and frequency - tracing circuit as three very important parts in control system of induction heating power supply. all those provide some experience for the designing and debugging of electrical source, reducing the cost and advancing efficiency

    本課題就是基於這種需要,研究高頻( 1mhz 3mhz )情況下採用功率mosfet為主開關器件的串聯逆變電源的頻率跟蹤控制電路,因此高頻情況下功率mosfet的驅動電路、頻率跟蹤電路以及功率調節電路等成為主要的研究對象,這些為以後電源裝置的設計調試、減少器件成本及提高工作效率提供良好的前期準備。
  13. Hardware circuit includes the unit loop circuits such as main loop circuit, drive circuit, control circuit, protective circuit, the circuit of power source and displaying circuit etc. the function that the induction cooker can realizes are mainly as follows : heat function, warm function, time function, no pan detecting and alarm function, which includes overheat alarm, over voltage or under voltage alarm, fan failure alarm etc. the displaying interface has digital number display indicator and vacuum fluorescent display

    硬體電路主要包括主迴路、激勵電路、控制電路、保護電路、電源電路和顯示電路等單元迴路,主要實現的功能如下:加熱功能、定溫功能、定時功能、無鍋檢測功能、報警功能,具體包括過熱報警、過壓或者欠壓報警、風扇失效報警等。顯示界面有數碼管顯示和真空熒光屏顯示。
  14. Abstract : the system composed of intelligent control modules for three - phase induction motors is introduced in this paper. this module can conduct starting, reverse braking, and reverse conrtol with current limiting resistance. besides, it can also detect low voltage, overload, and open circuit of 1 or 2 phases, and do protection according to the detection. it especially fits to the controlling of motors which often do starting, braking and reversing

    文摘:介紹了一種智能三相電機控制模塊組成的系統,能在串電阻(電抗)起動、反接制動和換向控制的基礎上進行欠壓檢測、過載檢測、斷相檢測及電機故障保護.尤其適用於起動、制動和換向控制頻繁的電機控制場合
  15. We design inversion control circuit with cmos figure pll cd4046 act as core and microprocessor 80c196kc act as assistant controller. adopting a control method that combine fuzzy controller and pll control, improve induction heating power succeed in startup. adopting electric current voltage pair closed loop feedback design, with trough route capacitance voltage and trough route electric current act as pair closed loop feedback signal, guarantee induction heating power output accuracy

    並對系統主電路的元器件參數進行了詳細的計算;設計了以cmos數字鎖相環cd4046為核心、以80c196kc作為輔助控制器的逆變控制電路;採用了模糊邏輯與鎖相環相結合的控制技術,提高了電源的啟動成功率;採用電流、電壓雙閉環反饋方案,採用槽路電容電壓和槽路電流作為反饋信號,從而保證了電源功率的輸出精度。
  16. The first chapter quotes three methods for determining the steady - state equivalent circuit parameters of an induction machine. they are the classical locked - rotor and no - load tests, the direct modification method and the recursive least - squares method. then a new parameter estimation method based on genetic algorithms is presented

    緒論首先引述了確定感應電動機穩態模型參數的其他三種方法:傳統的空載和堵轉試驗方法、直接修正參數法和遞推最小二乘法,並由此提出基於遺傳演算法的參數識別技術。
  17. The dynamic model of induction motor under - reference frame is approximated by its associated discrete circuit model with the trapezoidal algorithm, after linearized using the neoton - rapson algorithm, the contribution of induction motor model to the circuit " s nodal equation matrix is calculated

    按照改進節點法的要求,異步電機採用-坐標系下的動態模型,使用梯形法求解微分方程,經過離散化和線性化,得出異步電機作為一個電路元件對電路矩陣方程的貢獻。
  18. 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。
  19. 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。
  20. Abroad using for induction cooker surge circuit and ups power and high frequency turn weld machine

    廣泛用於電磁爐震蕩電路, ups電源,高頻逆轉變焊機等。
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