power bus 中文意思是什麼
power bus
解釋
電力母線-
Power train configuration analysis of fuel cell bus
燃料電池客車動力系統結構分析 -
But when fault was occurred, sometimes there would be great loss. for the reason, the paper put forward a microcomputer bus protection scheme suit for mv or lv power system with low current grounding based on the great researching about the working theory of current bus protections and the characteristic of mv or lv system with low current grounding. based on it, the paper has designed the platform of the hardware and the software programs
針對國內目前中、低壓電網大都未裝設母線保護裝置，發生故障不能及時切除時造成很大損失的狀況，本文在廣泛研究當前主流的母線保護動作原理並認真分析了中、低壓小電流接地系統特點的基礎上，提出了一套適合中、低壓微機母線保護裝置的研製方案，並據此選擇、搭建了硬體平臺，設計了軟體功能程序。 -
Power on - off, can run step by step function to display 32bit address bus and data bus value
4 .免重覆開關機，開機后32bit address bus and data bus即能一步一步的顯示 -
Design of automatic test system for power supply based on gpib bus
機載雷達自動測試系統設計 -
Remote control system for high voltage laser power supply based on can bus
總線的高壓激光電源遠程控制系統 -
Accordingly, using graph theory and operating experience abroad for reference, it firstly brings forward a new method of voltage rectification which based on pilot bus with voltage control area in view of the weak coupling among every vca ( voltage control area ), using decomposing method of multi critical value, it realizes the eliminating vinculum of every vca. and then, the rectification starts by pilot bus voltage of every vca. so the resolution of whole power net is diverted into calculating smaller sub - net
由於各個電壓控制區之間無功電壓的弱耦合性，利用多閥值分解的分區演算法，實現區域間的解耦，然後根據各個子網路的主導節點的電壓進行校正，從而把求解整個網路的問題轉化為求解各個小的子網路，降低了網路維數，減少了無功設備控制動作次數，提高了校正成功率，縮短了計算時間。 -
Transfer transparent algorithm of low power wrapper on soc bus
總線低功耗環演算法 -
The more important character of our product is single intelligent relay can connect to the can bus as a node and communicate with each other digitally. then we can realize long - distance monitoring and displaying the state of else intelligent relay nodes, set and modify their action parameters and states as well as analyze, memorize and deal with the data from low intelligent nodes. our design will surely improve the function of relay and accord with the requirement of power system
這樣我們在總線上接入上位監控pc機節點，就能通過總線通信實現對所有下位智能繼電器節點的遠程狀態監控，對下位節點的動作參數和動作狀態進行遠程設定和控制，還可以對下位節點上傳的採集數據進行存儲、分析和處理，使繼電保護的功能更趨于完善，符合電力系統的要求。 -
On power - on condition, if need to remove or insert pci bus add - on card to cv09p - nf, must write pci bus configuration register read write programs for yourself
3 .若要在不斷電情形下做熱插拔動作，則必須自行撰寫pci bus configuration register -
This paper uses embedded internet technology, computer networking technology, power line data transferring technology, organically combines the tcp / ip basing computer networking architecture and plc basing bus architecture, import agent idea and finishes the designation, implementation and debugging of ia supervising system, which controls appliance through lan and internet in real time
本文採用嵌入式internet技術、計算機網路技術、電力線數據通信技術，將基於tcp ip協議的計算機網路結構與基於plc （ powerlinecommunication ）的總線結構有機地結合起來，引入agent思想，構建了家電監控網路，進行了家電網路監控系統的硬體軟體的設計、製作和調試，能實現在局域網乃至internet網上對家電的實時監控。 -
Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control
與一般的建築空調相比，汽車空調的工作環境惡劣，條件差，控制難度要增加很多，主要體現在以下幾個方面：一是車外熱負荷變化大，難以確定控制參數；二是要求空調負荷大，而且要控制空調使其降溫迅速：三，不便於用電力作為動力源，必須用汽車發動機或輔助發動機來帶動壓縮機，當採用汽車發動機作為動力源時，由於汽車的車速變化大，發動機轉速的變化可從600r min到4000r min ，壓縮機轉速與發動機轉速成正比，其轉速變化高達7倍，給空調系統製冷劑流量控制帶來困難。 -
Firstly, the airborne electromechanical system, the development of bus protocol, power line channel and power system are described in the dissertation ; secondly, the algorithm of qpsk and root raised cosin are discussed ; thirdly, the designation of the hardware and software of the modem board, based on qpsk, built up with dsp and cpld are given. the high - speed data transporting card of airborne electromechanical communication system, which is based on plc, are put forward in our country
本文介紹了飛機電力線載波數據通信系統的結構，並對低壓電力線的通道特性進行了分析；對qpsk調制演算法及均方根升餘弦低通濾波演算法進行了詳細論證；設計出基於qpsk的調制解調模塊，並在此基礎上，研製出以dsp和cpld為最小系統的調制解調硬體電路板，開發了調制解調模塊電路板的應用軟體程序。 -
The type of wireless transmission detaches the part of data acquisition from the part of data processing in order to improve the monitor system upon the practicability and security for the person. the universal serial bus is a kind of newer bus interface ' s criterion than other buses in the computer ' s technology. in the design, the universal serial bus is used as the interface between the system and the computer that makes the design possess a lot of features, such as easy operation, plus and play, none of exter nal power, and need not to install
無線數據傳輸方式將數據採集部分與處理部分分開，提高了監護系統的實用性和對人體的安全性；通用串列總線是一種較新穎的計算機總線介面規范，本系統使用通用串列總線作為系統與計算機的介面方式，使得本系統具有操作簡便、體積小巧、即插即用、支持熱插拔、無須外接電源、使用無須安裝等特點。 -
Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method
在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。 -
For instance, a dutch - belgian company has developed a fuel cell for a volkswagen van and is also working on a larger unit to power a bus
例如，一家荷蘭-比利時合資公司已經開發出供大眾牌旅行汽車使用的燃料電池，而且他們還在研製一種更大的裝置來為公共汽車提供動力。 -
The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。 -
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。 -
According to the introduction of chen shi, the vice - president of chinese company of general motors, this mixing power bus will introuduce the drive system which researched by allison gearbox, in resent 2 years, there will be more 300 mixing power buses appeared on the america street
這次一汽客車展示的xq6110ch2型豪華公路客車是一汽客車最新研發的產品，具有國內領先水平，有數項技術申報了國家專利，極具市場銷售潛力。 xq6120sh2低入口客車以其價格性能比，收到與會人員的矚目。 -
The automation system used in afore - mentioned no. 2 line are siemens s7 series while the drive system are the siemens 6se70 series of all digital ac drive system with a uniform common dc power bus supply. the hmi system is wincc system which presents good visional interfaces. l1 communication uses profibus which adopts tcp / ip protocol for communications with welder, thickness gauge, air knife and l2
攀鋼冷軋廠2 #鍍鋅鋁機組基礎自動化系統設計採用西門子s7系列，傳動採用西門子6se70系列全數字交流傳動系統並由統一的公共直流母線供電， l1人機界面採用wincc系統，為生產操作提供了較好的可視化界面， l1通訊採用profibus總線，與焊機、測厚儀、氣刀、 l2等採用tcp / ip協議。 -
When the journalist asked whether the mixing power bus produced by the saic sunwinbus factory, the vice - president of saic chen yinda told to the reporter it has not certain for that, because the sunwin bus brand contains the volvo brand
大連客車廠的ca6879ch車引來眾多與會業內人員的目光，他們說：我們原來使用的都是遠征客車，近年來，遠征離我們遠了，今天我們又看到遠征客車感到親切。
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