frequency governor 中文意思是什麼

frequency governor 解釋
變頻調速器
  • 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。
  • governor : n 1 統治者，管轄者。2 地方長官，總督，縣長，市長（等）；〈美國〉州長，（要塞等的）司令官；〈英國...
  1. Abstract : by means of the comparison and analysis to applications of convertional starter and frequency conversion governor inmine exhauster, a useful and practicable electricity - saving pathof exhaust system was found out, so improving systematic saving operation

    摘要：通過對傳統起動器和變頻調速器在礦井抽風機的應用進行比較分析，找出一種抽風系統有效、可行的節電途徑，以實現通風系統的經濟運行。
  2. Series of guowei dry - method composite machines as new product are explored with our many years ' experience, the requirement of the users. the first metal of this machine is adopted with : photo - ecectricity auto. tracking " correcting deviation equipment, magnetic powder tension control. pneumatic back pressure shifting blade, oven temperature controlled qutomatically, big roll with oil heating, coating composite pneumatic control as well as double frequency governor etc. it will make the machine with fast speed, lower voice, low polluted by air, shout consumptionfor energy, stable working etc. especially suitable for al - foil with smooth surface and no enough firming, glass paper, polyester ect. the composite material with hard strength, fireproof, anti - ventilation, anti - fatty, frozen, dudrable steam etc character. it is widely used in food, pharmacy, as well as daily articles to package

    「國偉」 、系列乾式復合機，是我廠根據多年的復合機製造經驗及結合客戶需求，開發的新產品，該機第一基材採用了「光電自動跟蹤」糾偏放卷裝置，磁粉張力控制、氣動背壓移動式刮刀、烘箱溫度分段自動控制、大輥筒導熱油加熱、上膠復合氣動控制及雙變頻調速技術，使該機具有復合速度快、噪聲低、空氣污染小、能耗低、運行平穩等特點，適宜於表面光滑的鋁箔玻璃紙聚酰胺等與聚乙烯、聚丙烯等薄膜的復合，復合薄膜具有強度高、防水、防透氣、防油脂、可冷凍、蒸煮等優點，廣泛應用冷凍食品、乾燥食品、醫藥品及日用品的包裝。
  3. Sanfeng electrical equipment co., ltd. is a professional manufacturer which products hf, solid hf, intermediate frequency, supersound frequency induction heating equipment, intermediate frequency overall anneal equipment and the installation of all - digital dc governor

    經營高頻焊管全套設備及其配件保定市三豐電器有限公司是專業生產高頻固態高頻中頻超音頻感應加熱設備中頻整體退火設備和全數字直流調速裝置的專業廠家。
  4. Undershoot undershoot refers to the amount by which voltage or frequency drops below the nominal value as the voltage regulator or governor responds to changes in load

    下超調下超調指電壓調整器或控制器在應對負荷變化時，電壓或頻率低於額定的量。
  5. The governor must have provision for adjusting speed ( generator frequency ) and speed droop ( no load to full load )

    調速器必須具備轉速調整（發電機頻率）和降速降調整（零負荷到滿負荷）功能。
  6. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元，根據pid調節各個環節的特點，以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同，利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路，實現了水輪發電機組頻率的測量；在軟體上，對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析，選用改進的pid演算法實現了變參數、變結構的pid調節模式；調速器的機械液壓隨動系統具有步進電機電液轉換元件，採用五相反應式步進電機，根據其驅動特性設計了變頻調壓驅動器，實現plc與步進電機驅動器之間數字介面。
  7. Software design firstly introduces sof tware development environment and the task of software design for dsp based hydraulicturbine speed governor. then it gives several key subprogram, including frequency measuring, a / d convert, pwm output with a dead band, lcd display

    軟體部分首先介紹了軟體開發的環境及要完成的任務，給出了測頻子程序、 a d轉換子程序、帶死區pwm輸齣子程序、液晶顯示子程序的設計及部分程序代碼。
  8. The spindle is supported by high - accuracy rolling bearing ; the frequency governor imported from abroad is used in the main drive system to realize stepless speed regulation and constant linear cutting functions ; the bed is supersonic frequeney hardened, plastic coated guide ways are used for the carriage ; and stepping motor of acservo motor are used x and z axis to realize feed movement via the ball screws

    主軸採用高精度的滾動軸承支承；主傳動採用進口變頻調速器，實現無級調速功能及恆線速切削功能；床身採用超音頻淬硬處理，採用貼塑導軌； x軸和z軸均採用步進或伺服電機，通過滾珠絲杠，實現進給運動。
  9. The flat yarn making machine is adopted micro - processor control, frequency conversion governor and setting and displaying technical data may be fully digitized on the basis of absorbing international advanced techniques. the main parts use quality products. the line enlarges l d ratio and adopts new type of separating screw and widens mixing smelt zone on the extruder screw pot which is specially processed using quality steel, fine plasticized effect, low energy consumption in relation to output

    本平膜拉絲機組是我廠在廣泛吸收國外先進拉絲機組技術基礎上，採用微機控制變頻調速及可控硅直流調速等先進技術研製而成的，主要電氣元器件採用國外優質產品，整機結構設計先進控制靈敏運行平穩操作方便安全可靠生產效率高能量消耗低。
  10. According to the present problems and developing tendency of hydraulic turbine governor, four main issues of this field are studied in this paper. the content include hydraulic control system, frequency measurement unit, stability of the discrete control system, optimization of control parameters and self - adjusting pid control strategy based on fuzzy logic. several main achievement and results are obtained and shown as follows : the electric - hydraulic pilot valve driven by step - motor is firstly proposed, which solves the problem that the electric - hydraulic converter of hydraulic turbine governor hydraulic servo is prone to be stuck and blocked and improves the systemic stability greatly

    本文根據水輪機調節領域存在的問題和發展趨勢，對水輪機調速器的液壓控制系統、頻率測量環節、離散調節系統穩定性與調節參數最優整定以及適應式參數自調整pid控制策略進行了研究，得到以下主要成果和結論：首次提出了採用步進電機驅動的步進式電液引導閥，從根本上解決了水輪機調速器電液隨動系統中存在的電液轉換元件發卡、堵塞問題，使電液隨動系統的可靠性大大提高。
  11. It makes hydraulic turbine running with peak efficiency all the time. the governor is designed with model structure. closed - loop start - up strategy is applied during running and it realizes three adjust mode - frequency, wicket gate and power

    調速器採用模塊結構進行設計，在調節過程中實現了閉環開機控制策略，並可在頻率調節、開度調節、功率調節三種調節模式之間自動或手動無擾動切換。
  12. The dynamic simulating system used to do the research of governor control had been established by the device. the dynamic simulating tests of gahc used on steam turbine and hydro turbine had been done with the device. the tests were three phases short circuit, restoring synchronous operation and restraining low frequency oscillation in three - machines system

    利用該裝置對gahc在汽輪發電機和水輪發電機上的控制進行了以下動模實驗：單機無窮大系統中三相短路故障實驗和發電機發生失步故障后的再同步實驗、三機無窮大系統中抑制低頻振蕩的動模實驗。
  13. Hydroelectric generating set has two type governing equipment. one is electro - hydraulic governor of turbine which can adjust frequency ( active power ) the other is excitation governor of generator which can adjust voltage ( reactive power ). they work together for meeting the requirements of the voltage and frequency that the electrical power system brings forward to

    水輪發電機組的調節裝置主要有水輪機調速器和發電機勵磁調節器，這兩套調節裝置分別負責電能有功（頻率）及無功（電壓）的調節，以滿足電力系統對電能的頻率及電壓的質量要求。
  14. The article in lead - zinc mineral tailing transmission pumps electric motors automatic control system of huang - shaping, for example, a detailed account of the system frequency conversion governor, ultrasound liquid position controller design models, debugging points and parameters set methods, and energy saving effect of a careful analysis

    摘要文章以黃沙坪鉛鋅礦尾礦輸送泵電動機自動控制系統為實例，詳細介紹了系統中變頻調速器、超聲波液位控制器的設計選型、調試要點和參數設定方法，並對節能效果進行了認真分析。
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