流量調節開關 的英文怎麼說
中文拼音 [liúliángdiàojiékāiguān]
流量調節開關
英文
flow control switch- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 節 : 節構詞成分。
- 關 : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
- 調節 : regulate; adjust; monitor; measure; take care of; condition; regulation; adjustment; conditioning...
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Pre - data gathering module achieves the collection and communication of sixteen - route temperature signal. speed measuring and controlling module realizes the control of refolw soldering transfer speed by manipulating transducer. on - off outputting module fulfills calefaction control of calefaction tube by solid state relay. above position operator software programs by delphi, and realizes pid parameter automatic timing and no - oversnooting temperature control. software has friendly interface, convenient operation, complete functions
前置數據採集模塊完成16路溫度信號的採集和通訊;速度測量模塊與速度控制模塊通過控制變頻器來調節迴流焊的傳輸速度;開關量輸出模塊通過固態繼電器對加熱管進行控制;上位機軟體採用delphi編程,實現了pid參數自整定以及無超調的溫度控制。This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power
實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨,本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制,文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance
在基於dsp的數字變換器平臺中,採用全數字波形校正技術,完全補償了控制信號延時、功率管開關延時以及死區時間對輸出spwm波形所產生的畸變,充分保障了變換器控制的準確性;採用數字直流分量調節技術,可以精確地對控制信號進行補償,在充分保證輸出性能的前提下,實現了輸出直流分量的調節。It includes the establishment of the collaborative system, the research of the work mode of the group and the relevant technology that support group works, the development of the application system etc. by establish collaboration circumstance, ameliorate the manner by which people exchange their information, we can clear up the obstacle which generated because of the distance of the time and the space, and so we can save the time and energy of the workers, and improve the result and the efficiency
它包括協同工作系統的建立、群體工作方式研究和支持群體工作的相關技術研究、應用系統的開發等部分。通過建立協同工作的環境,改善人們進行信息交流的方式,消除或減少人們在時間和空間上的相互分隔的障礙,從而節省工作人員的時間和精力,提高群體工作質量和效率。海洋石油開發生產調度是一項非常復雜的系統工程,需要綜合處理水文氣象、地理環境、海上鉆井平臺現場設備監控等諸多方面的信息。Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter
西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓,在滿足輸出電壓條件下使諧波最小。Hydroelectric power exploitation can reduce sediment disposal, lengthen life of power plants in lower stream, control stream, better water quality, and reduce contamination etc. considering the structure of power of sichuan province and pointing out its six problems in power development, this thesis comes up with sustainale development strategy of sichuan hydroelectric power exploitation, that is, prefentially exploit large scale hydropower plant which has good water - adapting capability, comprehensively use water resource, try to reduce cost caused by drowning, stimulate rotating exploitation, well deal with settlement of people in hydroproject construction, and alleviate contamination
論述水電開發在減緩泥沙淤積、延長下游水電站壽命、調控水流、提高供水量、改善水質、提供清潔能源、減少環境污染等方面對長江上游生態屏障建設的作用。本文研究分析了四川水電開發的可持續發展戰略,首先對四川省電力結構現狀進行了分析,指出目前四川電力發展存在的六個主要問題,從優先開發具有良好調節性能的大型水電站、綜合利用好水資源,盡最大可能減少水庫淹沒損失,積極推進流域梯級滾動綜合開發,處理好水庫移民關系,減輕對環境的不利影響等六個方面論述了水電開發的可持續發展戰略。Chapter ii : latent capacity and present conditions of water resource. first, the author introduced the total amount and distribution of water resource in the east and central area of gansu, and then discussed the current utilization and contradiction between supply and demand of water resource. and last, the author posed the measures and countermeasures of exploiting water resource. chapter iii : latent capacity and present conditions of land resource. first the author introduced the total amount and distribution of land resource. and then discussed the current conditions utilization and latent capacity of land resource
對東中部地區的水資源總量、分佈和特點進行定量和定性的分析,以灌區水資源利用及供需矛盾為突破口,對水資源潛力開發的幾個關鍵問題進行了分析:加強與水資源相關的基礎問題的研究;強化水資源危機的意識,建立節水工農生產體系;建立流域水資源統一管理機構;強化節水農業科技成果的推廣轉化;逐步推行噴、微灌高新節水技術;充分利用化學調控技術提高作物抗旱性和水分利用效率;大力發展以集雨節灌技術為核心的集水農業。1 simple structure, light weight, small cubage, small installation size, small drive moment, convenient operation, quick and flexible switch, realiable sealing, small resistance of fluid, good flow regulating function, long life
結構簡單,重量輕,體積小,安裝尺寸小,驅動力矩小,操作簡便、開關迅速靈活,密封可靠,流阻小,具有良好的流量調節功能,使用壽命長。Just during cutting, in the cutting line there has lubricating oil falling down by gravity and the flow can be adjusted, it also can be automatically on and off
橫切機切割時,劃痕處才有潤滑油,潤滑油靠重力自然流下,油的流量可以調節,油開關自動控制。Article 9 relevant departments under the state council and local people ' s governments at various levels shall, when developing, utilizing, regulating and allocating water resources, make integrated plans for maintaining proper river flows, proper water levels of lakes, reservoirs and proper ground water tables, in order to retain the natural purification capacity of water bodies
第九條國務院有關部門和地方各級人民政府在開發、利用和調節、調度水資源的時候,應當統籌兼顧,維護江河的合理流量和湖泊、水庫以及地下水體的合理水位,維護水體的自然凈化能力。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。Specification for electrically operated automatic gas shut - off valves fitted with throughput adjusters, proof of closure switches, closed position indicator switches or gas flow control
裝有流量調節器閉路開關檢驗閉合位置指示開關或氣流量控制器電動式氣體自動關閉閥規范What have made a large amount of harmonic and high electro - magnetic interference ( emi ) has two reasons. the first reason is mainly the hard - switching pwm mode. the switch turns on at high voltage and turns off at high current in a short time ( ns ), which leads to a high du / dt and di / dt and emi
其原因一是由於硬開關的pwm調節方式,電子開關速度很快( ns數量級)在高電壓下導通,大電流下關斷,導致很高的du dt和di dt ,產生很強的尖峰脈沖,對周圍環境造成電磁干擾。Fcd. 3 138g : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet this valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves, combining to increase filtered to regulate the discharge function with machine type
該閥採用二級減壓變化原理,降低開關閥時水壓對閥體等配件的沖擊,提高電磁閥的可靠性和工作壽命,縮短了閥在最高介質壓力下開啟時間,使其在脈沖式電控閥門中具有無可倫比的節能優勢,並在接線上採用密封插件,並增加了過濾器和機械式調節流量功能。The simulation results of a hvdc light system based on vsvpwm and pid controller verify the feasibility of vsvpwm and pid controller to hvdc light systems. the power flow model of hvdc light system is also proposed, and a power flow calculation program incorporating with hvdc light is developed, based on psasp / upi. the epri 7 - bus test system is applied to test the proposed model and algorithm, and the results prove it feasible and correctness
本文分析了用於vsc控制的電壓空間矢量脈寬調制( vsvpwm )的基本原理,提出了基於pscad / emtdc軟體的vsvpwm模擬方法;建立了hvdclight系統的穩態模型,並結合該模型確定了控制量與被控量的合理對應關系,設計了適用於hvdclight系統的pid控制器;通過對採用vsvpwm和pid控制器的hvdclight系統的數字模擬研究,驗證了vsvpwm和pid控制器應用於hvdclight系統的可行性;建立了hvdclight系統潮流計算的數學模型,利用psasp軟體及其用戶程序介面功能開發了含hvdclight的電力系統潮流計算程序,並結合epri7節點測試系統的算例分析,證明了該模型及其實現方法的可行性和正確性。Equipped with valves to regulate the flow of partial glue, can adjust the volume of glue high - precision, and with opening and closing functions, the waste can be reduced while parking
配有局部膠流調節閥門,可以高精度調節膠量,並具有開啟及關閉功能,可減少停機時的浪費。They hae the ability to open and close, regulating the flow of charged ions and controlling the oltage gradient found between the inside and outside of eery liing cell
它們有開放和關閉的能力,以此來調節帶電離子的流量並控制每個活細胞內外兩側的電壓梯度。分享友人