frequency converter 中文意思是什麼

frequency converter 解釋
變頻器變頻機
  • 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。
  • converter : n. 1. 使轉變[改變信仰]的人。2. 改裝者，改裝品。3. 【冶金】煉鋼爐，吹風轉爐；【電，無】換流器，變壓器；變頻器；【自動化】變換器；密碼翻譯[編制]機。
  1. In the next place, by studying the change of the resonant frequency of the whole system, this paper designs the circuit to track the resonant frequency of the system by cd4046 mainly. at the same time, in order to improve the efficiency and get better dynamic capability of the converter, we choose pll and fuzzy control after comparing the pll circuit, fuzzy circuit and pll ? fuzzy control circuit. in the end, this paper brings forward the control blue print to realize the drive control circuit of the high frequency converter, using the dsp chip as the key part to realize four routes of pwm drive pulses with dead band of the control system

    其次，通過對整個系統諧振頻率變化的分析和研究，設計了以鎖相環cd4046為核心的鎖相環控制電路，同時，在綜合比較鎖相環控制、模糊控制以及模糊控制和鎖相環復合控制三種控制演算法的基礎上，進行了系統模擬，得出採用復合控制可使跟蹤電路既具有鎖相環路較好的穩態性能，又擁有模糊控制較好的動態性能，系統魯棒性能好，同時也提高了逆變器的效率。
  2. This text summarises several control forms of gushing out oil pump test platform simply, and mainly proposes analog and digital control schemes of close ring adjusting speed, at the same time, gives the principles and implementation methods used in parameters control and measuring, this text introduces the asynchronous electromotor " s control process, in which, fuzzy control arithmetic is used, and the control commands are passed on by means of communication between mcu and frequency converter. there are two parts in this system. one is superior computer that is ordinary pc, the other is hypogynous at89c52. the functions of superior pc are control and display information through screen, and the functions of ats9c52 includes control, collecting, display, treatment, uploading of all parameters

    詳細介紹了應用模糊控制演算法，以變頻器通訊方式進行異步電機調速的控制過程。系統由上位機和下位機兩部分組成。上位機為普通pc機，主要實現系統控制、數據顯示等功能，另外還有數據庫瀏覽、數據列印等功能；下位機以at89c52為核心，負責所有參數的採集、處理、顯示、上傳、控制等。
  3. 4. adopt vector frequency converter motor for traction transmission, which can be controlled with invariable line speed

    4牽引傳動採用矢量變頻電機，實現恆定線速度控制。
  4. Application of td3000 frequency converter to b2010a double housing planer

    龍門刨床上的應用
  5. 2. machine will auto stop when the shute or weft opens, or weaving is done. it has higher output, quality than four shuttle circular looms. 3. controlled main equipment speed with frequency converter

    主機變頻調速，改善起動性能，縮短定機時間，減少疵布率，節約電能和方便速度變換
  6. Application of frequency - converter control system based on the uss protocol

    協議的變頻控制系統的應用
  7. With the development of power electronics technology and devices in recent years, instead of using the industrial frequency transformer to boost voltage, dc / dc high frequency converter achieves the function. the system has higher power density and conversion efficiency, and the size, weight, ac noise of which has been greatly reduced

    近年來，隨著電力電子技術與器件的迅速發展，使用dc dc高頻變換技術代替工頻升壓，系統具有較高的功率密度與轉換效率，裝置體積、重量與交流噪聲大大減小。
  8. The author explains the selection of frequency converter, motor and their ancillaries, as well as related verifying formulae in the scheme

    對方案中如變頻器、電動機極其輔件的選用以及有關驗算公式做了說明。
  9. This machine applies the frequency converter to adjust speed, which can stepless adjust speed and auto rewind

    電控部分選用變頻器調速，無段調速自動收料
  10. To realize this, drawing roller speed program control of horizontal continuous casting machine based on frequency converter, the signal generator provides program signal to frequency converter

    採用變頻器實現水平連鑄機拉坯輥速度程序控制，由信號發生裝置給變頻器提供程式控制信號。
  11. Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on

    與普通矩形波導相比，脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點，使其得到了越來越多的應用，例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、變頻器、移相器、脊波導縫隙天線陣等等。
  12. Medium plate plant of chongqing iron & steel has reconstructed technically the original two stand rolling mills ( roughing mill and finishing mill ) and changed dc drive system into ac frequency converter drive system

    重慶鋼鐵集團公司中板廠對兩臺主軋機（粗軋機和精軋機）驅動系統進行了技術改造，將原來的直流驅動系統全部改造成變頻調速驅動系統。
  13. The speeds of adhesive - binding & adhesive - wheel can get adjustable speed out of grade control by the frequency converter according to the need of arts & crafts

    該機膠訂速度及膠輪速度可根據工藝需要能通過變頻器進行無級調節器速。
  14. A protective method based on voltage - frequency - converter and additional dc measuring the insulation between monitor wire and ground lines of hv double screen cable is developed and realized by analog and digital circuits

    通過分析6kv電纜絕緣監視保護的特點，提出了在高壓電纜監視線與接地線之間附加直流電源並利用v / f轉換實現監視保護的新方法，設計了相應的電路。
  15. This project is applied to the control circuit of the frequency converter power source of for measuring ground resistance in an electric substation

    此方案成功地應用於變電站接地電阻測量變頻電源控制電路中。
  16. Secondly, the mmic 20 - 40ghz hmmc - 5040 amplifier is used to realize the phemt frequency converter. the feasibility of up / down converter using phemt sub - harmonic mixing is validated by the experimental results. at last, on the base of phemt multiplying, amplifying and gate mixing, the

    之後研究了採用hp公司的20 - 40ghz放大器晶元（ hmmc - 5040 ）設計製作phemt （ pseudomorphichighmobiletransistor ）變頻器，通過測試，給出了實驗結果，並通過實驗驗證了採用phemt二次諧波混頻模式，實現上下混頻的可行性。
  17. Application of high - low - high frequency converter in the induced fan of boiler

    高低高變頻器在鍋爐引風機上的應用
  18. Vvvf door controller frequency converter makes lift door installation easier and more convenient as its control center is the internationally advanced engineering 16 digital micro computer and it operates with the fully digital spwm modulation techniques, with igbt module as the output power drive and with voltage, current and speed under fully digital closed circuit control ( the door controller ' s operation parameters are inputted by means of the keyboard )

    Vvvf控制門機變頻器採用當今國際上先進的工控16位微型計算機為控制核心，採用了全數字spwm調制技術， igbt模塊作輸出功率驅動，電壓、電流、速度全數字閉環控制（門機的運行參數均可通過鍵盤設置輸入） ，從而，使門機的安裝調試更加簡單，方便。
  19. The machine is equipped with imported all - digital ac frequency converter system, high control accuracy and smooth running

    電機控制配備進口全數字式交流變頻控制系統，控制精度高，機器運轉平穩。
  20. 1driving form : speed - regulate of frequency converter + universal shaft coupling + synchronous belt with high accuracy in synchronism, high in mechanism and guarantee in lifetime of the components

    傳動型式：變頻器調速+萬向聯軸器+同步帶，同步精度高，機械效率高，構件使用壽命保證。
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