集總電壓 的英文怎麼說
中文拼音 [jízǒngdiànyā]
集總電壓
英文
lumped voltage-
On this basic, it come out rs485, bitbus application casus to distribution watch system. this system make up real time watch system and data manage net system by bitbus communication to complete detract check and focus show function of high low electric power parameter. it take on task of background communication and proscenium data manage
該方案應用bitbus現場總線構成一個完整的實時監控和數據管理網路系統，完成高、低壓配電室電力參數的分散檢測和集中顯示等功能，上位機同時承擔后臺通訊和前臺數據管理任務，前後臺并行工作，該方案在某汽車製造廠配電系統中得到了較好的應用。Modbus transducer is the key device in the system and is used to offer power supply of pressure and temperature sensor, to collect signal, to linearizate and compensate temperature, to calculate density, volume and mass, to transmit data to modbus network, and display the data. so the modbus transducer is a multi - parament measurement, intelligent control device which can manage multi - signal
變送器是系統的核心設備，其作用是為油罐溫度、壓力、液位、可燃氣濃度等傳感器供電，採集傳感器信號並進行線性化、溫度補償等處理，完成密度、體積和質量等參數計算，將數據輸出到modbus現場總線測控網路，根據需要現場顯示計測量參數。The investigation shows that plenum chamber total pressure has multifarious effects on arcjet thruster operation, and both specific impulse and thrust efficiency can be improved by increasing it befittingly under steady arc
研究表明，集氣腔總壓對推力器工作過程具有多方面的影響，在保證電弧穩定的情況下，適當提高集氣腔總壓可同時提高比沖和推進效率。In 2004, koslo started business cooperation in china, which was the largest electric brand of foreign investment in china. there were two asian production bases in china respectively producing electric, lighting, net intelligence and low voltage electric accessories. in order to ensure the quality of products and enable each product to go beyond the market expectation, the production process were supervised by senior technical experts of koslo headquarters
卡西洛電氣2004年與中國建立合作發展的商業關系，是在華投資最大的外資電工品牌，旗下在中國擁有兩家亞洲生產基地，分別致力於電工照明，網路智能事業和低壓電氣附件事業，生產及過程由德國卡西洛總部資深技術專家進行高科技質量監控，保證每件產品的質量，務求每一件從卡西洛集團生產的產品都能超越市場期望For bus system installation, the focus is put on cable selection principle, installation process and antinoise measure ; for security protection equipment installation, the intrinsic safety concept, installation method equipment selection and installation under two electric power supply modes ( entity concept and fisco model ) and the bus system protection against surge voltage are illustrated ; for network component installation, the selecting, installing and integrating methods of general purpose terminators, repeaters, link equipment, bus power supply and impedance module are described
在總線電纜的安裝方面，著重討論了電纜的選型原則、安裝方法和抗噪防擾措施；在安全保護設備安裝方面，介紹了總線系統中本質安全的概念、安裝方法、兩種供電方式（實體概念和fisco模型）下設備的選擇與安裝以及總線系統浪涌電壓的保護和設備安裝方法；在網路元件的安裝方面，主要列舉了通用終端器、中繼器、鏈路設備、總線電源及其阻抗模塊等的選擇、安裝和集成方法，為總線系統的安裝提供了可以借鑒的實用經驗。This noncontact distributor assembly, which deletes mechanical breaker contact, utilizes ic ignition module assembly free of burn out of contact. therefore it has a higher ignition voltage, higher ignition volume, as well as functions of overvoltage protection, low speed & low voltage protection and power cut upon shut down. these functions are of benefit to improvement to the motive performance, economical efficiency and start up ability of engine while reduce waste exhaust
該無觸點分電器總成取消了機械斷電器觸點，採用了集成電路組成的點火模塊總成，不存在觸點的燒蝕，因此點火電壓高，點火能量大，並具有過壓保護、低速低壓啟動、停車斷電等多項功能，有利於改善發動機的動力性，經濟性和起動性能，減少了排氣污染。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。The main contents to be studied and solved are shown as follows : designing scheme of the error compensation system, studying and designing the signal conditioning circuit, designing the data - acquisition circuit, designing and realizing the max1457 software development system. the compensating circuit is designed in virtue of the signal conditioning chip max1457 as its core. the data - acquisition circuit is designed in virtue
硬體方面，根據總體方案設計了以信號調理晶元max1457為核心的補償電路;以max1401為核心的數據採集電路，用來採集傳感器的電橋電壓和max1457輸出電壓;設計了max1457電源電路， max1457的電源電壓是失調dac和靈敏度dac的參考電壓，採用了ad586給max1457提供精密5v電源電壓。This article describes the plc ’ s using enviroment and the users ’ needs in details, and then tells the differences between the dplc and the troditional plc. it also describes how to decimation and compress the tele - voice, how to deal with the data tunnels, and the multiplex data through the the line which ’ s bandwidth is changeable between 10. 8bps and 28. 8kbps this project uses the programmable vopp chips, the cpld for bus controlling, the fpga and the mcu with high processing ability. all of these ensure the high ability to process the signals and the operations
本文詳細介紹了高壓電力線載波機的使用環境和用戶需求，全數字電力載波機和傳統模擬載波的的差異;按電力調度的需求設計完整的兩路語音、兩路數據的電力線載波通訊機。詳細描述電話語音的采樣，壓縮;數據通道的處理;及在10 . 8kbps 28 . 8kbps可變線路速率通道上的數據復接處理。從實現方法上看，該項目採用專用可編程vopp語音處理晶元， cpld晶元做為總線控制，大規模fpga集成電路，高處理能力的mcu 。In order to transmit the data collected to the upper control center, the rs485 network bus technique has been employed in the monitoring system to complete the function of communication between the microcontrollers and upper pc computer. in order to implement the automation of production process, we use fuzzy control algorithm routine in the single chip. lt can adjust the opening angle of electric valves with corresponding voltage according to the real - time material level that measured and so the automation control of material level was implemented
為了實現生產過程的自動化控制，在總結人工手動操作經驗基礎上，單片機控制系統中採用了模糊控制演算法，可以根據實時採集到的高度值輸出相應的電壓控制量來調節輸料管閥門的開度大小，從而實現對料位高度的智能控制。It is one of the most important works to run economically in today and future. the system of electric control automation in zhao zhaou is open, it bases on the net of rs485 bus control and centrally manages substation by control the main machine. the system controls the run parameter of electric equipment and the run environment by using the computer measure, communication and automation technology, it can realize measure, communicate, control and allocate in the remote area, transmit data and control through collect data and automatic count parameter
肇州縣電力調度自動化系統是以rs485總線工業現場控制網路為基礎，通過監控主機對變電站進行集中管理的完全開放式系統，該系統綜合了計算機、測量、通訊和自動化的專業技術來監控電力設備的運行參數、監控運行環境，通過對輸變電線路及設備的交流電壓、電流的數據採集，自動計算出功率、電量、功率因數、頻率等參數，實現四遙：遙測、遙信、遙控、遙調及數據傳輸和監控功能。The input votage range is 20mv 10v, frequency range is 0 ~ 20khz. the ad sampling rate is 100ksps, distinguishability is 16 bit. it uses two groups of ram to real - time store the collected data by time - sharing store and access technique, and uses a dsp chip to real - time analyse the frequency spectrum
信號輸入電壓范圍20mv 10v （七檔量程可選） ，輸入頻率范圍0 ~ 20khz ， ad采樣率100ksps ，解析度16bit ，採用兩組ram存儲器分時存取的方法實時存儲採集數據，使用dsp晶元進行實時頻譜分析，通過pci總線與主機進行數據交換。This system has various kinds of sensors, such as pressure, temperature, electric current, voltage, controlling synthetically, etc. after a sensor does not work or takes off the line, other sensor of on - the - spot equipment will serve as the commander or the controller. so the system does not be influenced with for some sensor ' s trouble. this is the best advantage of control system based on fieldbus
由原集散控制系統（ dcs ）升級為fcs系統，本文所討論的系統有壓力、溫度、電流、電壓、綜合控制等各種傳感器，當一個傳感器失靈或脫線后，其它有關傳感器會自動擔任指揮員或調度員，系統不會因為某一節點的故障而影響整個系統的運行，這是基於現場總線控制系統（ fcs ）的優勢。The module will itself react if a dangerous situation should occur, which including under - voltage, over - voltage, over - current and short - circuit. it can block the operation of the battery and stop work, even completely shut down the working circuit to protect the battery. in the module we design the liquid crystal display to show the characters and the running state of the battery
電池運行狀態監控模塊關注于電池的電壓、電流和溫度的採集以及soc等參數的計算方法;利用總線方式使電池能夠與智能充電器和主機通訊;模塊內部設計了電池保護電路，當電池在使用過程中出現過壓、欠壓、過流和短路時，對電池進行控制使其停止工作甚至切斷工作迴路達到對電池的保護作用;為了更直觀的了解電池當前的運行狀態，還為模塊設計了液晶顯示屏來實時顯示電池當前的運行狀態。The relationships between extinction - ration, half - wave voltage and electrode structure have been analyzed with transfer matrix theory and effective index method. the following conclusions have been made : 1 ). the electrode width can be optimized to get the lowest half - wave voltage of boa - type optical switch
我們設計的集總電極型boa光開關理論3db調制帶寬大於2 . 5ghz ，半波電壓為5v ，消光比大於40db ，對tm模的理論衰減大於45db ，而對te模的損耗小於0 . 15db 。For the pin diode, its major transient behaviors are forward voltage recovery and reverse current recovery. this dissertation describes these performances by lumped - charge approach, and then developed an improved lumped - charge model for pin diode and a corresponding parameter extraction approach, which can reduce parameter measurement and enhance parameter accuracy
Pin二極體中主要的瞬態現象是正向電壓恢復和反向電流恢復，本文採用集總電荷的方法描述了它的動、靜態特性，提出了改進的集總電荷的pin二極體高頻模型，同時提出了改進的曲線擬合模型參數抽取方法，減少了所需的參數測量實驗並提高了參數抽取的精度。Based on silicon - piezoresistive method, the paper first gives the theory of array silicon piezoresistive pressure, acceleration sensor, and the design of its incorporated chip, microstructure and out - circuit. several key techniques of making array silicon piezoresistive pressure, acceleration sensor such as 1c technic, mems ( silicon - silicon direct bonding, anodic bonding, anisotropic etching ) is also studied. minuteness engine machining, anode bonding etc. in the paper there are three ways which are examine - form, curve simulanting, to carry out sensors non - linear self - emendating ; adopt the several curves approaching and curve simulating to achieve the aims of sensor error self compensation, fusion technology etc. therefore, it providing referenced values of ways and directions for sensor system directing on
論文首先以硅壓阻效應原理為基礎，討論了陣列式硅壓力、加速度傳感器的設計原理，並對陣列式硅壓力、加速度傳感器中集成敏感晶元（壓力、加速度） 、總體結構和壓力陣列的信號處理電路進行了設計，在陣列式硅壓力、加速度傳感器的研製中，還研究了半導體平面工藝、大規模集成電路技術、微機械加工技術（硅硅鍵合、靜電封接、各向異性腐蝕）等關鍵技術的應用。We used p87c591 as the microcontroller, using the sensor to collect the data of voltages and temperature of batteries, transcend them on can field bus, through the can net constructed the whole distributed battery management system, and give the design of the relevant hardware and software
構建了基於can總線的蓄電池組控制器的硬體平臺，採用p8xc591系列的p87c591作為微控制器，完成ad轉換電路、 can控制器介面模塊和信號調理電路的開發設計。實現了對電池電壓和電池溫度參數的採集。完成了系統的軟體設計。A data collection and control : high speed direct sampling and effective value calculation of ac voltages and currents, calculation of active power reactive power power factor, collection and transmission of states, select - check - execute of control output
交流電壓電流信號的高速實時采樣和有效值計算有功無功功率因數計算各交流量的2 15次諧波分量及諧波總量計算遙信量的採集及上送遙控返校及執行。On the base of investigating the research status of adptive protection system, an adaptive protection system of power supply and distribution line of 35kv or under 35kv is constructed based on devicenet fieldbus, industrial ethernet and the offered system ’ s overall structure. it is composed of production process level, bay level, substation level and central control center level
在充分調研國內外自適應保護系統研究現狀的基礎上，基於devicenet現場總線與工業以太網以及給出的系統體系結構，構建了適用於35kv及以下電壓等級由生產設備層、間隔層、變電站層與集控中心層組成的供配電線路自適應保護系統。分享友人