短路參數 的英文怎麼說

中文拼音 [duǎnshēnshǔ]
短路參數 英文
short circuit parameter
  • : Ⅰ形容詞(空間、時間兩端之間的距離小) short; brief Ⅱ動詞(缺少; 欠) lack; owe Ⅲ名詞1 (缺點) we...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 短路 : [電學] short; short circuit; cutting out; direct short; short out; short pass短路保護(裝置) sho...
  1. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶放大器頻帶寬度的因素,通過分析mosfet的本徵、寄生對頻率特性的影響,提出了採用溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法;分析了不同電組態對放大器頻率特性的影響、節點電壓對電壓模電、電流模電頻率特性的不同影響,根據應用於雙極晶體管電的跨導線性原理,提出了採用mosfet構成的電流模放大電、電流傳輸電、輸出電以及由它們所組成的寬帶放大器,獲得了良好的頻率響應。
  2. The elements of the reduced - jacobian matrix are functions of some parameters of the system. for example, effective short ratio, power base ratio, coupling impedance and load flow of the system. for single - infeed hvdc system with a parallel ac line, computer simulations using power system analysis software package ( psasp ) were performed

    用一種簡單的方法可以求得降階雅可比矩陣,由於降階雅可比矩陣的元素都是交直流混合系統中一些的代,如有效比、功率基準比、連接阻抗和系統潮流等,因此,矩陣的特徵值也與這些相關。
  3. Unfortunately, the problem of finding multicast routing with qos constrained is a np - complete problem. so we can not solve the problem with the classical shortest path first algorithms such as bellman - ford and dijstra

    然而研究表明,由於qos組播由帶有多個qos約束,因此qos組播由問題是一個np完全問題,這使得它與傳統的由過程不同,難以用經典的最徑優先演算法求解。
  4. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際來建立值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點電流大小進行了值計算,其計算結果與電科院所作現場試驗進行了比較。
  5. Many protective and monitoring functions are integrated in the system, such as earth - fault monitoring, short circuit protection, over - load protection, phase symm etry and phase loss monitoring, over voltage protection, under voltage protection, motor thermal monitoring and so on

    該系統能自動轉換控制方式,具有漏電、、過載、斷相、欠壓、過壓等保護功能,並且能通過漢字顯示終端顯示各負荷的工作狀態和工作
  6. ( 3 ) verifies the voltage wave, electrical current vuive and output power wave of asteroidal magneto, and the veracity of parameters by a series of experiments. the experimental result demonstrates that the error is less than 10 % between theoretic value and actual value

    ( 3 )通過一系列實驗驗證了星形磁電機空載電壓波形、電流波形、電流倍、輸出功率等波形和的準確性,實驗結果表明,理論與實測值相差不到10 。
  7. A novel measurement and control system ( mcs ) used in hv flameproof switchgear has been established based on the 80c196kb single - chip microprocessor, by which electrical faults such as short circuit, over - load, over - voltage, open circuit, earth leakage and so on can be automatically distinguished and processed, and with the exception of this, the insulation degree of the double screen cables is monitored on - line. the operating condition and fault parameters can be displayed in turn with liquid crystal display

    該系統能自動判斷、過載、過壓、欠壓、漏電等故障,並對高壓電纜的絕緣水平進行實時監測,大屏幕液晶顯示器實現了電太原理工大學碩士學位論文網的輪流顯示,通過撥碼盤輸入系統各項整定,真正實現了保護系統字化。
  8. After simplifying the circuit, it can appear with dynamic planning method system, in order to reduce all expenses of circuit and every corresponding rate of circuit to get every berth to unload. then the short rate of circuit regards linear programming calculation parameter of method as most, thus can make the systematic variable count and reduce them greatly. it is meet with linear programming method various kinds of restrain terms from restrain from and quality system of request overall optimum to get maximum benefit and then

    簡化線后,可以先用動態規劃方法求出系統中各卸貨點到各泊位之間的所有費用最低的線和各線的對應費率;然後將各條最的費率作為線性規劃方法的計算,從而使系統的變量大大減少,再用線性規劃方法求得滿足各種約束條件限制及品質要求的系統總體最優解。
  9. The concept of ghe efficiency is also introduced to discuss the effect of ghe construction parameters on its performance, especially that of thermal short - circuiting in the two branches of the u - tube. the geothermal heat exchangers often consist of a number of boreholes

    通過引入了地熱換熱器鉆孔內效能的概念,從理論上定量分析了鉆孔內各項、尤其是兩支管之間的熱對傳熱的影響,為地熱換熱器的優化設計奠定了理論基礎。
  10. Through developing a 2 - dimensions heat transfer model of buried pipe - in - pipe heat exchanger and simulating the process by computer, the author figures out inter - relations of factors which influence characteristics of buried pipe - in - pipe heat exchanger, such as pipe diameter, pipe length, ratio of pipe diameters, flow rate, inlet water temperature, patterns of water inlet and outlet, and material features made of pipe, and proposes some optimizing indexes of buried pipe - in - pipe heat exchanger. the author studies the " heat - - short circuit " phenomenon as well and gives < wp = 5 > some important results

    本文通過建立地下套管式埋管換熱器傳熱過程的二維傳熱模型,並藉助計算機對分析結果進行解析,弄清了影響埋管換熱器性能的管徑、管長、管徑比、通過流量、進水溫度、進出水方式以及管材等的作用,並提出了相應的優化指標,對研究界懸而未決的「熱」問題也進行了細致分析,得出了有關結論。
  11. This paper considers two controllers with different feedback signals ? the ac current phase angle of converter transformer and the ac voltage magnitude of inverter bus, respectively. pscad / emtdc simulation software is used for the controller testing. the test models used for the analysis are the cigre hvdc benchmark systems with different scr at the inverter side

    為了驗證該控制方式的有效性,本文採用了電磁暫態模擬軟體pscad emtdc ,在國際大電網會議cigre提出的hvdc標準模型上,用逆變側比不同的系統對調制控制器的性能進行了模擬測試,調試出了調制控制器的各值。
  12. In this method, ga is used to optimize connection weights of forward - back neural network until the learning error has tended to stability, then we use sp algorithm with optimized weights to finish short - term load forecasting process

    我們用遺傳演算法來訓練網,直到誤差趨於一穩定值,然後用優化的權值進行bp演算法,實現期負荷預測,模擬實驗結果表明該方法加快網學習速度,並能提高負荷預測精度。
  13. One is hard fault, which means the stuck - open fault and the bridge fault ; another is soft fault, which refers to the component parameters going beyond the preassumed perfomance range. usually, these faults do not lead to a total failure of equipments

    一類稱之為硬故障,指元件的開失效故障,另一類稱之為軟故障,指元件的超出預定的容差范圍,一般它們均未使設備完全失效。
  14. The core of epiipc is the 51 series microcontrollers, which automatic detect the error signal of the circuit, like short circuit, overload, high voltage, low voltage, current leakage etc. meanwhile it monitors and tests the insulation level of high voltage cable, with convenience two variable key setting and full chinese version lcd display features

    本次研製的保護器以高檔51系列單片機為核心,能自動判斷線中出現的、過載、過壓、欠壓、漏電等故障,並對高壓電纜的絕緣水平進行實時監測,有方便的兩鍵設定和全中文液晶顯示功能。
  15. The off - line program system based on cad / cam for dispensing robot is designed on the computer. in the module of trajectory planning, preliminary discussion is done about the shortest loop path and an algorithm of solving this problem is provided ; in the module of back procedure, dda ( digital differential analyzer ) is adopted in line, circle and ellipse interpolation. at last the protocol transferring program data to robot from off - line system is analyzed

    在離線編程的系統的設計中,實現了cad的建模、點膠軌跡的程序示教、工藝編輯、軌跡規劃、後置處理等功能,並在規劃模塊中針對平面內不規則排列點進行點膠的軌跡規劃進行了初步探討,採用圖論的方法,給出滿足實際要求且演算法復雜度較小的最閉合迴的程序演算法;在離線編程系統的後置處理模塊中,介紹了直線、圓弧、橢圓弧的dda插補方法以及脈沖分配不均勻的改進方法;最後對通信協議的制定進行了分析。
  16. In this design, the protection in short circuit failure and the measurement in normal condition are both fulfilled. it can also communicate with the computer through the communicating interface, sending the parameter of the system current and accepting the instruction

    該傳感器具有正常電流的測量和故障時的保護功能,並且預留了與上位機的通訊介面,接受上位機的指令並向上傳送電網的電流
  17. According to the actuality of the present research on ct, we bring forward a new design scheme based on the rogowski coil, in this design, the protection in short circuit failure and the measurement in normal condition are both fulfilled. it can also communicate with the computer through the communicating interface, sending the parameter of the system current and accepting the instruction

    本文在考察了國內外電流互感器發展現狀的基礎上,提出了一種基於rogowski線圈的電流互感器,該互感器具有正常電流的測量和故障時的保護功能,並且預留了與上位機的通訊介面,接受上位機的指令並向上傳送電網的電流
  18. This method has three merits : first, reduce the harm to the battery ; second, this current is stable ; the last, the current may represent the battery ' s current function better. in order to study this problem, we design a install to make lots of experiments to prove this result. the install can use in the factory as a automation instrument if it be perfected

    此方法和原有方法比較有三大憂點:一是減少了直接時大電流放電對電池的損傷:二是此迴電流值穩定存在,可以對其進行比較準確的測量:三是此電流值更能代表堿錳電池實際工作時的放電性能c為了本研究的順利實施,本課題提出了一個堿錳電池四檢測的實驗平臺,做到對電池的開電壓、負載電壓、電流指標、電池重量四的檢測。
  19. Chapter three is the trial part. the test of the every technical parameters of the trial tube has been finished in company. the test and verify of the ability of the short circuit electric

    第三章為試驗部分,在公司內完成了試驗管的各項技術測試,並在合成迴上進行了真空滅弧室電流能力開斷的試驗驗證。
  20. In this section, the main content is about the transducer and the low - pass filter. the simulation program of wave filter circuit and the stability of wave filter and analogue signal pspice analysis are integrated in chief. these are constituted as a circulatory feedback mode, so that it speeds the process of establishing electric circuit parameters

    尤其在低通有源濾波器的分析與設計這部分內容中,將濾波器電的程序模擬、濾波器穩定性分析和pspice分析設計有機的結合起來,組成了一個循環反饋的分析模式,加快了電的確定過程,縮了產品的研發周期。
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