frequency inverter 中文意思是什麼

frequency inverter 解釋
變頻器
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  • 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. In the realization of the inverter control circuit, the frequency self - following system with optimal dead time based on dsp is researched

    在逆變控制電路的實現中,研究了基於dsp的具有最佳死區的頻率跟隨控制系統。
  2. The control system with such method is simulated and a inverter is made for speed control of single - phase motor. the method presented in this paper offers such advantages as easy implementation, large range of frequency and rapid dynamic response. furthermore, using this method, the single - phase motor with symmetrical or dissymmetrical windings can operate symmetrically

    本文提出的變頻調速控制方法具有系統設計簡單易實現,調速范圍大,動態響應快等特點,而且在電機繞組對稱和不對稱兩種情況下均可實現變頻調速的對稱運行。
  3. The theories and design principles of each circuit of the spwm three - phase frequency inverter experiment unit are in detail introduced in this thesis. at the same time some experiment results are shown that include the output voltage and current waves when the load is in resistivity, inductivity or asynchronous motor

    文中詳細介紹了spwm三相變頻實驗單元所包含的各電路環節的理論基礎及設計過程,並給出了調試結果,如負載為阻性、感性和異步電動機時,實驗單元輸出的電壓和電流波形。
  4. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾波、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  5. Application of frequency inverter in woolen mill

    變頻器在毛紡廠的應用
  6. Maintenance on line to rail with high frequency inverter dc welding machine

    高頻逆變焊機用於鋼軌及轍叉線上焊補與維護
  7. In case that coal process system in power plant is lack of certain process, and while timber block, big coal block, stone, sack or metallic block and relevant foreign matter easily clog out belt and make motor overloaded, this sets up overload protection in electric control system, and this sets up overload protection in frequency inverter setup program ; in addition, this sets up branch breaker and switch up power supply in case of lack of phase or overload

    若電廠燃煤處理處理系統缺少某些環節,木塊、大煤塊、石塊、草袋、金屬塊等雜物,容易卡死皮帶,使電機過載,因此在電氣控制系統中設有熱過載保護,變頻器設定程序中設有過載保護;另外設有支路斷路器,在過載缺相情況下,切斷電源。
  8. The high frequency inverter power can invert 75 - 130 volt vibrating dc voltage which come from battery charge into 110 volt, 20khz ac voltage. the control of high frequency inverter power consists of two parts : chopper control and inverter control

    給出了直流斬波電路及全橋逆變電路的工作原理,此高頻逆變電源可將75 130v的蓄電池直流電壓逆變為110v , 20khz的交流電壓。
  9. Design of variable - voltage variable - frequency inverter based on dsp

    變頻空調用新型高性能開關電源的設計
  10. The author designed and developed a single phase mid - frequency inverter control unit, which is based on dual micro - processor system. the inverter is modulated by pre - set spwm pulse width wave

    本文研製出一種基於雙微處理器( mpu )控制的單相中頻逆變電源控制裝置,逆變電路基於開關預置spwm波脈寬調制。
  11. 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。
  12. A compact and high performance frequency inverter, telemecanique altivar 31 is designed for the control of 3 - phase asynchronous motors with power ratings from 0. 18 to 15 kw

    Altivar31變頻器te電器的altivar31是一種小型的高性能變頻器,它設計用於控制額定功率從0 . 18kw到15kw的三相異步電機。
  13. Aiming at the impact of electric network fluctuation on frequency diverter, it provides countermeasures in aspects of expanding electric network capacity, technical reformation, electric network filtering, applying on - line tap changer and uninterruptable power supply, and modifying frequency inverter parameter setup

    針對電網波動對變頻器運行造成的影響,從電網擴容與技術改造、電網濾波、採用有載調壓變壓器和不間斷電源、修改變頻器參數設置等方面提出了相應的措施。
  14. Through analyzing and comparing several typical high frequency inverter circuits, an available high power topological structure is selected. all of these offer and plan good preparation of earlier stage for power source designing and device debugging, and reducing device cost and raising working efficiency

    通過參考比較幾種高頻逆變電路,選擇設計一種大功率逆變拓撲結構,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。
  15. A half - bridge bi - directional current mode high frequency inverter was proposed, and the problem of unequal voltage of capacitance in this circuit can be resolved by adding a balance coil

    提出了半橋雙向電流源高頻鏈逆變器的拓撲結構,並對電路固有的電容電壓不平衡問題提出了解決方法,採用平衡繞組可以徹底解決電容電壓不平衡。
  16. Application for frequency - inverter regulation technology and stable and reliable regulation for the number of feeded coal

    採用變頻調速技術給煤是調整穩定可靠。
  17. Application of frequency inverter in tribological testing

    摩擦學測試中計算機控制變頻器的開發應用
  18. Frequency inverter and environment protection

    變頻器與環保
  19. Application of the frequency inverter in the bridge vane type coal - feeder system

    變頻器在橋式葉輪給煤機之應用
  20. Fuzzy control technology for mine local fan with frequency inverter speed control

    高效礦用局部通風機的設計與應用
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