止逆器 的英文怎麼說
中文拼音 [zhǐnìqì]
止逆器
英文
backstopping clutches-
Backstop for belt conveyer
帶式輸送機用逆止器The geometrical conditions that the backstop can be run in gear have been educed by researching the movement of the components
研究了在逆止器工作過程中個相關零件的運動規律,並得出逆止器正常工作的幾何參數條件。Mechanics analyzing of contractile spring in the washer chutch
洗衣機離合器止逆彈簧的力學分析A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later
每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲,由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成,前級採用電壓型pwm前饋控制技術,后級採用三態dpm電流滯環控制技術。This model of electromagnetic valve has the single - way check function and a patent design of block - up resisting and is the ideal self control valve for the water supply system with a high level container or tank or the automatic water supply system with a high level container or tank or the automatic water supply facility required the function of adverse current prevention. the amalgamation inflicts to hike in the inflexions of can percolation function that purge
Fcd . 3 148f :進水口與出水口均為4分15外螺紋銅接頭該型電磁閥具有單向止回功能,專利防阻塞設計,是高水位容箱器供水系統或其他兼需防逆流功能的自動供水設備的理想自控閥門;並增加了過濾裝置。It is required to research a 600w 28vdc / 360vdc converter as prepositive set of static inverter in a certain project
在某機載靜止變流器項目中,需要研製一臺600w28vdc / 360vdc直流變換器作為雙buck型逆變器的前級。Once correct flow rate setting has been established, slide memory screw counter - clockwise towards closed side of indicator plate until memory stop ring hits indicator plate
一旦確定正確的流量設置,則將記憶螺絲朝著指示器板的關閉位置逆時針方向旋轉,直到記憶止動環觸到指示器板為止。Water supplying pipe in front of the coal economizer should be installed with a stop valve and check valve for the factory using boiler of mother tube water supplying
7採用母管制供水的電廠,進入每臺鍋爐省煤器前的給水支管均應裝設截止閥與逆止閥。兩閥應緊接,按水流方向逆止閥在前。Just as the foreman of a spinning - mill settles the work - people in their places, walks up and down the works, and noting any stoppage or unusual creaking or too loud a whir in the spindles, goes up hurriedly, slackens the machinery and sets it going properly, so anna pavlovna, walking about her drawing - room, went up to any circle that was pausing or too loud in conversation and by a single word or change of position set the conversational machine going again in its regular, decorous way
像一個紡紗作坊的老闆,讓勞動者就位以後,便在作坊里踱來踱去,發現紡錘停止轉動,或者聲音逆耳,軋軋作響音量太大時,就趕快走去制動紡車,或者使它運轉自如安娜帕夫洛夫娜也是這樣處理事情的,她在自己客廳里踱來踱去,不時地走到寂然無聲或者談論過多的人群面前,開口說句話或者調動他們的坐位,於是又使談話機器從容不迫地文質彬彬地轉動起來。Design of h - bridge power driver of stepping motor
包含靜止無功發生器的電力系統逆系統解耦控制In order to avoid the current ripple and the high switch frequency of fixed - band hysteresis current controllers, two hysteresis controllers of change hystersis - band are proposed. one is the sinusoidal - band hysteresis current controller, the other is the adaptive hysteresis current controller based on fuzzy theory
由於常規的滯環電流控制器不能有效地防止負載電流脈動,並且存在著容易導致逆變器的開關器件的開關頻率過高的問題,論文提出了兩種變環寬滯環電流控制器結構,其一是正弦環寬滯環電流控制器,其二是模糊變環寬滯環電流控制器。The shahe pumped - storage power station with two 50mw reversible units has been in good conditions on general since it was put into operation, but there still were some defects, such as the failure of unit ' s contemporaneous device, the insufficient cooling water discharge and pressure, and the failure of static frequency converter and excitation overcurrent
摘要沙河抽水蓄能電站兩臺50mw可逆式機組自投運以來,總體情況良好,但是也出現了一些缺陷,如機組同期裝置故障,機組冷卻水流量或壓力不足,靜止變頻器故障,勵磁過電流故障等。Characteristics of structure : this machine adopts shaft type speed reducer drive which covers less space and can be conveniently repaired. upper supporting roller adopts clamping type fixu which can be conveniently installed. furthermore, it can well regulate deflection of conveying belt ; holdback is set for speed reducer with reliable performance to prevent back - slippign of the glusive belt ; dumper has three types : pneumatically actuated, electric and manual ; course of direction - change roller of the rail has three types : 300, 500 and 800
2結構特點:該機採用軸裝式減速器驅動,佔用空間尺寸小,安裝維修方便上托輥採用夾緊式固定,安裝方便調整輸送帶跑偏能力強,減速器內設逆止器,防止膠帶倒滑的性能可靠卸料器有氣動電動和手動三種驅動型式尾部改向滾筒張緊行程有300 500 800三種,用戶可接輸送距離的1100選取。This model of electromagnetic valve has the single - way check function and a patent design of block - up resisting and is the ideal self control valve for the water supply system with a high level container or tank or the automatic water supply system with a high level container or tank or the automatic water supply facility required the function of adverse current prevention
Fcd . 3 148a :進水口與出水口均為4分15外螺紋銅接頭該型電磁閥具有單向止回功能,專利防阻塞設計,是高水位容箱器供水系統或其他兼需防逆流功能的自動供水設備的理想自控閥門。A novel resonant pole zvt three - phase pwm inverter circuit for three - phase ac motor driving is presented. the proposed circuit has the feature of being more flexible with three inverter arms in zvt process. using only one resonant inductance, the inverter can not only reduce the power loss of inductance but also avoid possibility of unbalance in motor ' s three stator windings
提出了一種針對三相交流電機驅動的新型諧振極零電壓過渡三相pwm逆變器電路,該電路中三個逆變橋臂的零電壓過渡更具有靈活性,僅使用一個諧振電感,既減少了電感損耗又防止了電機三相定子繞組可能存在的不平衡問題,並且諧振電感中殘余能量能夠回饋給電源;新型逆變器的輔助開關均工作在零電流開關條件下,並且控制邏輯簡單。In dtc system, the concept of space vector is introduced to analyze and control the ac motor, the electromagnetic torque and flux are calculated and controlled in the stationary coordinate, and the optimal pwm gating signals are generated to control the inverter to acquire high dynamic torque according to the output of the bang - bang regulators
直接轉矩控制採用空間矢量的概念來分析三相異步交流電動機的數學模型和各物理量,直接在靜止坐標系下計算與控制交流電動機轉矩和磁鏈,藉助于離散的兩點式調節產生pwm信號,直接對逆變器的開關狀態進行最佳控制,以獲得轉矩的高動態性能。This paper presents a novel single phase aeronautical static inverter. a novel combining two - transistor forward converter is presented and applied in the front of three - level hysteresis current controlled inverter, and a single - phase 6kva aeronautical static inverter is developed
本文介紹了一種新型的單相航空靜止變流器,電路通過一新穎雙管正激組合式變換器作為三態滯環控制電流型逆變器的直流輸入前級,成功研製出6kva單相航空靜止變流器。Analysis selection and application of stopper plug in belt conveyor
帶式輸送機中逆止器的選擇及應用This paper put forward a new type backstop that transfer the backstop moment by the meshing components, and completed the design of the backstop
本文提出了一種新型的由嚙合元件傳遞逆止力矩的嚙合式非接觸逆止器,並完成了逆止器的設計。The paper analyzed the external forces of the backstop, established the dynamics model of the backstop being run, and analyzed the dynamic load of the backstop
分析了逆止器的受力情況,建立了逆止器工作的動力學模型並對逆止器進行動載荷分析。分享友人