過整流 的英文怎麼說
中文拼音 [guòzhěngliú]
過整流
英文
over commutation-
The six domestic standards for furnace transformer industry are all drawn up taking our company as main, as arc furnace transformers jb t9640 - 1999, sub arc furnace transformers - general jb t5344. 1 - 2004, specification and technical requirement for calcium carbide furnace transformers jb t6303 - 2004, specification and technical requirements for yellow phosphorus furnace transformers jb t8506 - 2005, electroslay remelting furnace transformers jb t8447 - 2005, ladle refining furnace transformers jb t10429 - 2004, etc. the rectifier transformers for chemical engineering and metal - lurgy enterprises also received high value from users and have been exported to vietnam. nowadays, our company is cooperating with italian danieli company on technology and business, that is, our products will be sold to ukraine and burma through anthodium of danieli, and relevant technology cooperation is being negotiated now
公司主要產品分為電力變壓器電爐變壓器整流變壓器電抗器四大類，具備年產各種變壓器6000mva的生產能力。其中發電機變壓器單臺最大規模為240mva 220kv ，變電所變壓器為180mva 220kv ，電爐變壓器120mva 110kv ，整流變壓器為100mv 220kv ，電抗器為3000kvar 220kv 。新s9系列配電變壓器和220kv級電力變壓器均通過了國家電力公司和國家機械工業局的聯合鑒定。The pulsations in the rectified current can be reduced by using a capacitor.
經過整流的電流的脈動，能夠利用一個電容器使其減小。Its current products include : top oscillation electrical precipitator, side electrical oscillation precipitator, magnetism controlled static electricity precipitator, wet electrical precipitator, honeycomb electric catching tar instrument, high - pressur silicon rectifier equipment and plc low - pressure controlling system, blast furnace gas impulse precipitator, high concentration pulverized coal collector, coke oven and boiler flue gas low pressure impulse precipitator, blower fan inhaler, crossing piping gas cooler, high temperature fume cooler, gyre - orientation impulse hop - pocker and all sorts of molded sections
目前主要產品有：頂部振打臥式電除塵器、側部振打電除塵器、磁控靜電除塵器、濕式電除塵器、蜂窩電捕焦油器、高壓硅整流裝置及plc低壓控制系統、高爐煤氣脈沖除塵器、高濃度煤粉收集器、焦爐及鍋爐煙氣用低壓脈沖除塵器、風機空氣過濾器、橫管式煤氣冷卻器、高溫煙氣冷卻器、回轉定位脈沖大布袋及加工各種冷彎型鋼。Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )
本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案，面對開關電源朝著輸出低電壓大電流方向發展的趨勢，提出多路輸出開關電源新的拓撲優化組合模式? ?有源鉗位正激變換器、同步整流技術、磁放大器。This paper theoretically analyses the armature current and magnetomotive force in ac exciter of brushless synchronous machine with rotating rectifier. under the normal or fault conditions of rotating rectifier, the mathematical expressions of the armature current, the m. m. f and induced electromotive force are approached
本文通過對旋轉整流器在正常與故障狀態下的交流勵磁機電樞電流和電樞電勢作了初步的理論分析，推導出旋轉整流器在正常與故障狀態下電樞電流、空間諧波合成磁勢及其感應電勢的數學表達式。The power ’ s quality is decided in the system performance, the amplifier has 4 groups ’ power sources, input 220v through the filter, the transformer transformation, the full - wave rectification, finally through manostat leveling off voltage, after the electric capacity filter outputs
電源質量的好壞是決定系統性能的一個重要因素，放大器共4路電源，輸入220v通過型濾波，變壓器變壓，全波整流，最後通過三端穩壓器穩壓，電容濾波后輸出。In view of the poor stop accuracy, unstability of climbing at reduced or low speed and over - winding of mine ac lift when power braking is used, a siemens all - numerical rectification device is applied in the braking system of mine lift and its control mechanism and method are described
針對採用動力制動礦井交流提升機停車準確率差，減速與低速爬行不平穩及產生過卷的問題，將西門子全數字整流裝置應用到提升機制動控制系統，並介紹了該系統的控制原理與方法。Abstract : in view of the poor stop accuracy, unstability of climbing at reduced or low speed and over - winding of mine ac lift when power braking is used, a siemens all - numerical rectification device is applied in the braking system of mine lift and its control mechanism and method are described
文摘:針對採用動力制動礦井交流提升機停車準確率差，減速與低速爬行不平穩及產生過卷的問題，將西門子全數字整流裝置應用到提升機制動控制系統，並介紹了該系統的控制原理與方法。The process of producing a shift of the average value is called rectification.
產生平均值移動的過程叫做整流。Company was set up in 1997, as a high - tech enterprise with ability of reserch, development and manufacture, it was set up for limited company in 2006, and has passed iso9001 : 2000 quality adminis - tration system certification. company have professional works, excellent process equipments, perfect checkout apparatus, and produces all sorts of premanent magnetic chuch, electro magnetic chuch, rectiffication ` s manipulator and magnetic removal with adwantages of advanced designment, long longevity, big suction and small remanence. the quality has passed the certification of china quality test association and china quality indemnify center
公司成立於1997年，是一家集科研開發生產為一體的高科企業， 2006年組建為有限公司，並通過iso9001 : 2000質量體系認證，公司擁有專業的技術人員，精良的加工設備，完善的檢測儀器，所生產的各種永磁吸盤、電磁吸盤、整流控制器、退磁器等磁性工具，具有設計先進、壽命長、吸力大、剩磁小等特點，質量通過中國質量檢驗協會，中國質量保障中心認證。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。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。Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given
主要對軟開關滯后橋臂和超前橋臂的零電壓開通、關斷過程，功率變壓器的工作波形及整流換流過程進行了詳細的模擬分析，並重點討論了逆變器的諧振電感、諧振電容以及負載變化對軟開關過程的影響。The over - current relay works to protect oscillation tubes and rectifier, when the current exceeds its limits. frequency deviation caused by faulty operation is also prevented
當電流超過限制值時，過負荷電流繼電器自動保護振蕩管和整流器，同時可以避免由不當操作所引起的頻率漂移。The offers advised here cover among other things field, japan, process, henceforth also valves, relays and additionally process. individual price request can also be received with ash & alain by mail
以自己高精確度著稱的工業型企業ash & alain是一家製造場，日本，整流器、整流管、閥、閥門， [英]處理機、處理程序，過程工序，繼電器、中繼站的現代化的、靈活的合作夥伴。請您訪問我們的主頁，獲悉其它的當前信息。This system consists of a full bridge pwm ( pulse width modulation ) regenerative rectifier or so - called vsc ( voltage source converter ) that connected to pcc ( point of common connection ) at the power utility grid through a passive interface circuitry
這種系統包括一個pwm全橋可逆整流器或者所謂的電壓源變換器，通過無源電路介面與電網的pcc點（公共連接點）相連。The condition of profiles in outer station did n ' t change much in spring cruise, but showed more variable in near - shore stations when observed in different time. fluorescent characteristic per cell can be obtained by flowcytometric analysis. based on fluorescence data of synechococcus of all stations, two distinctly pigment - containing cell types coexisting can be found in some stations of east china sea, which located in all depth of p3, mixlayer of e7, 40 - meter depth of e6 of autumn cruise and in mixlayer of p2 of spring cruise
通過對流式細胞計測量的細胞熒光結果來看，在秋季的p3 、 e7整個混合層、 e6站40米層，春季的p2站均發現有兩群不同色素含量的聚球藻（ high一pe和low一pe ）共存現象，極有可能分別屬于不同品系，春季共存站位位置比秋季時更靠外，表明在秋季p3 、 e7等站位的共存是季節性現象，可能與此季節黑潮次表層水沿陸架坡涌升入侵到中陸架有關，水團的運動及混合使從外海遷移而來的high一pe與近岸的low一pe得以共存，在春季，由於長江沖淡水的日漸強盛，在中陸架區的共存區域有所外移。Honeywell will help bp exploration & production ( e & p ) accelerate production schedules and improve efficiency in these facilities by integrating all levels of plant operations and automating critical processes
霍尼韋爾將通過整合工廠運營的所有級別和自動化關鍵流程，幫助bp勘探和生產部在這些工廠加快生產進度表以及改善效率。Today, mw wind generators substitute 600kw generators gradually and become the popular units of international market of wind power generation. the trends of units are variable speed constant frequency and large - scale and pitch control. there are many different generators which are variable speed constant frequency generator. in this paper the unit is fully - fed magnet wind turbine generator. the magnet wind turbine generator grid - connected inverter is the key component of connected system. the main function of this component is inverting the dc to three - level volage and connecting the electric net
實現變速恆頻發電的方法眾多，本文研究的是較常用的一種方案。該方案採用直驅永磁風力發電機通過變頻器直接連接到電網。永磁風力發電機並網逆變器是並網發電系統的核心部分，其主要功能是將經過整流、斬波升壓后的直流電逆變成三相交流電，並送入電網，實現並網。15vac will become about 18 - 19vdc after rectification. that would be a little bit too high for your 15vdc capacitor
經過整流后， 15伏交流電會變成大約18 19伏的直流電。對於15伏直流耐壓的電容器，有點太高了。分享友人