設計電壓 的英文怎麼說
中文拼音 [shèjìdiànyā]
設計電壓
英文
design voltage- 設 : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 壓 : 壓構詞成分。
- 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
- 電壓 : voltage; electric tension; electric voltage
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For the demand of output swing, the bias is provided by high - swing cascode current mirrors
為了獲得高輸出擺幅,設計低壓共源共柵電流鏡為運放提供偏置。The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。This thesis gaved a detail account to the main part. for example : the design of the cylinder and the piston rod ; the time calculate of the valve ; the design of the disc spring and how to use it
根據斷路器的要求進行了彈簧液壓機構的主要液壓元件的設計:集成式工作缸和變截面活塞桿結構設計;電磁閥、控制閥系統結構設計及動作時間的近似計算;儲能碟形彈簧的結構設計、應力計算及選用方法。The paper analyzed the dynamic process of series thyristor in detail and designed the snubber circuit and bod protecting circuit against over - voltage for thyristor. a pspice simulation mode of series thyristor based on dynamic process is set up and the simulation verifies the validity of the snubber circuit
論文詳細分析了多個晶閘管元件串聯工作的動態過程,設計了晶閘管的吸收電路和過壓保護電路,建立了反映多個晶閘管元件串聯工作動態過程的pspice模擬模型,並通過模擬分析驗證了所設計電路的有效性。The main work of the author includes the drive circuit design, research of high - voltage ldmos device which breakdown voltage is 1000 - 1200v, the drive circuit ? technology design and layout design, technology experiments of device and circuit
主要工作包括:驅動電路的電路設計;耐壓為1000 1200v的高壓ldmos器件研究;驅動電路的高低壓兼容工藝設計和器件與電路的版圖設計;高壓器件與驅動電路的工藝實驗。The hardware is based on mpu. the circuits can magnify the weighting sensor signals, the - bioelectrical impedance signals, ecg signals and detect the qrs. there are the lcd and interface circuits
硬體設計以單片機為平臺,設計了壓力傳感信號、生物阻抗信號、心電信號放大電路和qrs波的檢出電路,同時還有液晶顯示電路及單片機的介面電路。The circuit was simulated via hspice based on csmc 0. 5um process whose results indicates the all modules have meet the requirements and the efficiency can go up to 95 % under pwm mode and stay above 90 % under pfm mode when the load resistance
晶元內設過熱保護和欠壓保護,以實現電路的可靠性操作。最後設計電路基於0 . 5 mcomsn阱工藝,用hspice模擬,每個模塊性能都滿足電路要求。Be engaged in the assets evaluation, especially in intangible assets. constrnction construction ; also have the research of high & low voltage appliances design and the making of budget of electronic constructions
從事專業的資產評估,擅長無形資產、工程項目的評估,同時對高低壓電器設計,電氣安裝工程造價編制略有研究。With consideration of parameters trade - offs involved in the circuits, the vco ’ s topology is designed
考慮壓控振蕩器設計指標的相互約束條件,盡可能減小相位噪聲的來源,設計電路的拓撲結構。In this paper, the sensitivity adjustable woof - detecting module circuit and high - low voltage driving circuit is described in large details
重點介紹了靈敏度可調的緯紗檢測模塊的設計電路和採用高低壓驅動的選緯指控制模組的設計電路。Maximum design voltage, kv
最高設計電壓Electrical installation in ships - system design - electric and electrohydraulic steering gear
船舶電氣設施.系統設計.電動和電動液壓操舵裝置Considered the safety and flexibility of the system in the design process. designed the high and low - pressure protection of compressor in safety, electricity leakage protection and electricity insulation characteristic protection of system
在設計過程中考慮了系統的安全性和靈活性,在安全性方面分別設計了壓縮機高低壓保護,系統的漏電保護以及電絕緣性保護。At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db
本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素( ql值)超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器,精心設計電路,優化設計布置印製電路板,用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件,製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。A complete solution provided by schneider electric on the basis of our well understanding to mcdonald s requirements, schneider electric china engineering team provides a standard design ( low voltage part ) with our prisma gx panel
基於對麥當勞全球戰略的清晰理解,施耐德電氣(中國)工程技術人員為麥當勞中國提供了標準設計(低壓部分)的prismagx低壓開關櫃方案。However, the inherent shortcoming of piezoelectric transformer hinders its further development. the major problems include : ( 1 ) the development and design of the piezoelectric transformer involve in lots of theoretic aspects including the design of material, dimension, electrode and circuit ; ( 2 ) it is hard to harvest high voltage enhancement ratio and high - power output simultaneously ; ( 3 ) the operation of the piezoelectric transformer is strongly dependent on the resonance frequency, which leads to the difficulty in the design of driving circuit
但其自身所存在的固有缺點也在很大程度上限制了壓電變壓器的進一步發展,突出的問題有:壓電變壓器的研製包括材料設計、尺寸設計、電極設計和電路設計等多個環節,所涉及的理論面很廣;壓電變壓器的高陞壓比和大功率輸出難以同時得到保證;壓電變壓器的工作過多地依賴于諧振頻率,為外部電路的設計帶來了困難。The basic technique to achieve the target is that raising the frequency of the power supply, mainly of dc - dc converter. there are several key techniques by which we carry out the high frequency of the dc - dc converter. they are high frequency and low loss ferrite technique, design - optimization of the high frequency transformer and circuit technique, and install of dc - dc converter technique
當前實現開關電源高頻化這一目標的關鍵技術,有採用鐵氧體材料研製dc - dc變換器技術,高頻變壓器的優化設計,電路的優化設計,高頻dc - dc變換器的製作與安裝等技術。2. design the scheme of expert system for transformer fault diagnosis based on dga and rough set theory ieee considers dissolved gas analysis ( dga ) is the most efficient method to examine the interior fault of transformer
基於氣相色譜分析和粗糙集理論的電力變壓器故障診斷專家系統方案設計變壓器內部故障的檢測有多種手段, ieee認為對變壓器內部故障早期診斷最有效的方法是油中氣體色譜分析法。Electrical installations in ships part 204 system design - electric and electrohydraulic steering gear
船用電氣設施.第204部分:系統設計.電動及電動液壓轉向機構分享友人