零電抗線 的英文怎麼說
中文拼音 [língdiànkàngxiàn]
零電抗線
英文
zero reactance line- 零 : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
- 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...
- 抗 : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
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If the node is at, or near to, ground then a grounded guard ring will be appropriate, if it is at some other potential it may be necessary to use a high input impedance buffer amplifier, with its input connected to the node, to force the guard ring to the node potential
如果被保護的節點的電位是(或接近)零電位,採用地線保護環最為合適;如果節點電位是其他值,那麼可以用高輸入阻抗放大器組成緩沖器,輸入端連接該節點,輸出端連接保護環。The development of a visual short circuit software under ptcad2000 is presented in this paper, as well as the system structure, the definition of the data structure, the interface to ptcad2000, the conversion of the original wiring diagram of power network to calculable power network, the implement of three sequence network, the implement of impendence matrix and admittance matrix of power network considering the zero sequence mutual inductances among lines, and the implement of short circuit calculation by using computer
本文介紹了在ptcad2000平臺下短路電流可視化計算軟體的開發。介紹了軟體的系統結構、數據結構定義、與ptcad2000平臺的介面、電力系統原始接線圖轉成等值可計算網路、序網的生成、考慮零序互感線路阻抗時電網導納矩陣和阻抗矩陣的生成,以及故障點短路電流計算的計算機實現。Some anti - interference techniques are introduced such as appropriate circuit layout and wiring, the component and device screening as well as digital filter and the zero point processing in software
提出了通過從電路合理的布局布線和元器件的篩選以及軟體的數字濾波和零點處理等措施來達到抗干擾的目的。The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence
主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控制可以得到低頻正弦波的電壓(電流)輸出;控制迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數轉換等功能;進線電源變壓器具有變壓和隔離作用;環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right
通過對同步發電機各種運行曲線的計算,在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響;求出了空載特性曲線和零功率負載特性曲線,在不同的電樞電流下計算得到的波梯電抗不同;求出了功角特性曲線,與不計飽和時的功角特性曲線相比較,功角穩定極限小於90 ;求出無功調節曲線,與不計飽和時相比較, u型曲線向右偏移。We take some measures to prevent the emergence of disturbance when we design the hardware. for example, we increase the copper breadth according to the magnitude of the electric current. the rc circuit is used to absorb the spark generated by buttons and relays when they are putted at the same time, we use the redundancies instruction technology and the trap technology in software aspect avoiding the interference, which can assure the system work credibility
在硬體上,我們設計印刷電路板時採取一些措施如根據電流的大小,將相對應的銅線寬度加粗,利用rc電路加以吸收按鈕、繼電器等零部件操作時產生的火花等防止干擾的產生;在軟體上,我們採用了指令冗餘技術和軟體陷阱等抗干擾措施,以保證系統可靠工作。Owing to weak output signals integrated amplifier is designed, which is characteristics of shorter wires, higher input impedance, higher common mode rejection ratio and series mode rejection ratio, smaller zero shift and temperature shift
由於輸出信號微弱,採用短線路傳輸,高輸入阻抗,共模抑制比和串模抑制比高,溫漂和零漂小的集成運放電路。6. since the reactor has the structure of multi - layer in parallel, the axial electric stress of coil is zero. under steady operation voltage, the voltage is distributed evenly along axial direction of coil
6 .由於電抗器採用多層並聯結構,線圈的軸向電應力為零,在穩態工作電壓下,沿線圈軸向高度方向的電壓分佈均勻。This dissertation furthers investigate a regional lmmcs formed of scene and middle level emphatically. on the basis of enhanced m - bus and zero power technological, the paper developed corresponding software and hardware products, and took a series of non - electromagnetism interfere ways and the dependability design. put up the platform to simulate spot environment, and carry on the overall experiment to verify : every technical indicator and performance index of long distance multi - point monitoring and controlling system can be satisfied, and the system has very high theory value and practical value
本文重點介紹了長距離多點監控系統在地下管網中的應用實例,對由設備層利控制層構成的地下管網監控系統進行了深入研究和分析設計,基於自主研發的增強型m - bus總線和零功耗設計技術開發了相應的軟硬體產品,採取了一系列抗電磁干擾措施及可靠性設計,並模擬現場環境搭建了平臺,進行了全面的實驗驗證。分享友人