方向繼電器 的英文怎麼說
中文拼音 [fāngxiàngjìdiànqì]
方向繼電器
英文
directional relay- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 繼 : Ⅰ動詞(繼續; 接續; 接著) continue; succeed; follow Ⅱ副詞(繼而) then; afterwards
- 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...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 方向 : direction; orientation
- 繼電器 : [電工] electric relay; relay
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The press is ingenious in design, hign quality in materials, with features as fine workmanship, handsome appearance, compact structure, higher work pressure, lower work noise, and equipped with single skip. controlled temperature, electric autotimer, so that it will be reliable is operation and easy to repair
本機設計精巧,用材講究、製造精良、造型美觀、結構緊湊,傳動部分採用大功率雙向電磁離合器,可連續工作,也可單獨工作,且有壓力大、噪音小、單級跳位、溫度自控、電子式時間繼電器延時,操作安全可靠、維護保養方便等優點。Abstract : there are only two set values ( 30, 45 ) for interior angle of the stimulated directional power relay as the protection in phase to phase short circuit fault. an accurate setting formula for interior angle of the microprocessor - based directional power relay as the protection in phase to phase short - circuit fault is proposed and analyzed, users can set as a calculation value or at least an optimum in the formula. therefore the operation sensitivity and reliability of the directional relay would be improved greatly. the opinion is new and practical
文摘:保護相間短路的模擬式功率方向繼電器內角的整定值只有兩個( 30 、 45 ) ,用戶只能在這兩個值中選其一;分析並提出了保護相間短路的微機型功率方向繼電器內角的準確整定計算公式,用戶可以整定為該公式的計算值或至少為最合理的值,從而能顯著提高方向繼電器的動作靈敏度及可靠性,具有新見解及應用價值。This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply
論文首先從虛擬儀器的技術內涵出發,深入研究和討論了通用串列總線usb規范及工作原理,並依據usb1 . 1規范,採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件,實現了通用計算機與測試設備之間基於usb總線的通信功能;其次,在所開發的usb總線介面的基礎上,使用微處理器pic16c62和多路繼電器開關,設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件;再次,採用vb語言編程,調用windows內部api函數,與選定hid類驅動程序進行通信,實現usb總線介面測試儀器功能,完成面向測試的上層軟體開發;最後,在深入研究印刷電路板測試方法的基礎上,利用已開發的多路通道掃描器和面向測試軟體,結合必要測試儀器組建印刷電路板測試系統,並對測試結果進行了簡要的誤差分析。This can be seen in the enhancement of exchanging capacity, the replacement of 2mbits trunking interface by sdh stm - 1 or the integration of data processing module with the data voice gateway and the dial - in access server with the adsl module. it is also no surprise to see the co - existence of ps and cs modules or an all - round ps layout on the exchanging part
Pstn交換機發展的主要方向是:提高交換處理能力,直接提供sdhstm - 1介面來取代2mbits中繼介面,集成數據業務處理模塊及數據話音網關,集成撥號接入服務器及adsl模塊,加入分組交換模塊與電路交換共存或者用分組交換完全替代電路交換等。This paper discusses the ability of avoiding maximal power flow of quadrilateral impedance relay and round impedance relay in detail and puts forward the setting principle and setting method of load limiting resistor of backup distance protection
本文對四邊形和方向圓特性阻抗繼電器躲線路最大潮流的能力進行了詳細分析,提出了距離保護負荷限制電阻的整定原則和整定方法。Is there an earth station, a base for relaying radio signals to and from artifical satellites and interplanetary sapcecraft, in your city
你們城市有那種地球站嗎?就是作為中繼向人造衛星和星際飛行器發送的或中繼來自這些地方的無線電信號的地面基地?Firstly, it will take a more active role in global joint development projects, thanks to its r & d competence and knowledge base developed on small plc. secondly, it will reply to market with a more complete range of offer including not only plc and hmi, but also relays, power supply, interface and wiring systems
Lec將繼續拓展這一核心業務,並且除了已有的小型plc和hmi等核心產品,還將向市場推出中間繼電器,開關電源,預接線系統等小型元器件產品,以更齊全的產品線為oem客戶提供完整的工業控制解決方案。Inverse - time characteristic equations for overcurrent relays
過流繼電器反向時間特性方程式The counter on the electricity control box can count the numbers of work piece whom was been processed, the time relay control riveting time effectively, all the electricity component are take the famous brand to use
電控部分加裝數顯時間繼電器數顯計數器,方便操控。油箱部分與機身可分可合,方便運輸和組裝。液路加裝單向調節閥,有效控制鉚接速度。The ascend and descend of work bench by screw pole and it can control the rough adjust effectively, and micro - adjust by screw cap of power head, the center hole of bench are coaxial with the spindle, and it put the holder available, and added the aerosol lubricate system in the air current it has the function of filter
該機應用有國際先進的徑向鉚接技術外,同時採用絲桿升降式工作臺機頭部分固定,臺面具有夾具梯形槽,工作臺中心孔徑與主軸軸線同軸,可用於夾具定位。電控部分加裝數顯時間繼電器,數顯計數器,方便操控。Weekly summer trail races of varying distances in lynn woods, massachusetts. includes race schedule, lynn woods relays information, results, directions and trail information
在林恩?伍茲,改變距離的每周的夏天小道賽跑馬薩諸塞。包括賽跑時間表,林恩?伍茲繼電器信息,結果,方向和小道信息。According to the standard of can agreement the message agreement for the system has been designed. whose design thinking and its realizing way of the three kernel parts ( can kard ^ can oriented object and field communicatioan interface moudule ) in the system have been given. it is applied by the oriented subject technigue, and through the analyses of ststic characteristic, and dynamic characteristic of the equipment, the configuration tool category has been gotten to complete the configuration to equipment
系統通過傳輸介質把監控中心和現場通信介面模塊掛接在can總線上,組成一個控制器局域網路,從而實現對各種在線通信電源設備的分散控制、統一管理;根據can協議的規范設計了系統的通信協議,給出了系統中三大核心部分( can適配卡、 can中繼器和現場通信介面模塊)的設計思路和實現方式,並給出了相關硬體電路的結構框圖以及軟體設計流程圖;運用面向對象技術,通過對設備的靜態特徵和動態特徵的分析,得到其組態工具- -類,完成對設備的組態。Psr power steering relay
動力方向盤繼電器The direct torque control theory is a kind of new control method after vector control theory in ac control field. it calculates and controls the torque and the flux of ac electromotor in stator coordinate using the voltage space vector. adopting the stator magnetism field direction method, it recurs to discrete pang - pang control producing pulse width modulation signal and controls the switch state of the transductor when better quality steady - state performance is produced
直接轉矩控制技術是繼矢量控制技術之後交流調速領域中新興的控制技術,它採用空間矢量分析的方法,直接在定子坐標系下計算並控制交流電動機的轉矩和磁鏈,採用定子磁場定向,藉助于離散的兩點式控制產生脈寬信號,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。Directional relays and power relays with two input energizing quantities
兩個輸入激勵量的方向繼電器及功率繼電器This machine has great feeding ability, easy to be regulated, can be fed with fixed quantity under control of time delay relay ; it is divided into one - way feeding and bidirectional feeding in terms of feeding direction, suspending type and seating type in terms of installation ; in order to assure precision of feeding, roller encapsulation is equipped to increase frictional coefficient between adhesive belt and rollers ; the rectangle discharging mouth has large dimension which can prevent humping up materials ; this machine has close structure, reliable application and can be easily repaired because it has many similar parts with belt type conveyor
該機給料能力大,調節給料量方便,又可在時間繼電器的控制下定量給料按給料方向該機可分為單項給料和雙向給料,按安裝方式又分為吊掛式和座式為了保證給料的精度,主動滾筒包膠,以增加膠帶與主動滾筒的摩擦系數料倉矩形卸料口的尺寸大,物料不易起拱該機結構緊湊,使用可靠,它與帶式輸送機有許多通用部件,故維修方便。分享友人