障壓電壓 的英文怎麼說

中文拼音 [zhàngdiàn]
障壓電壓 英文
barrier voltage
  • : Ⅰ動詞(阻隔; 遮擋) block; hinder; obstruct Ⅱ名詞(遮擋物) barrier; block; obstacle
  • : 壓構詞成分。
  • : 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...
  • 電壓 : voltage; electric tension; electric voltage
  1. Because of the elements which run under nonideal linearity and unentire symmetry in the power system, the loads which are different and change randomly, the methods which adjust and control the system faultily and operate improperly, the disturbance and the malfunction which happen somewhere, the current and voltage in the supply system are distorted seriously and thus large amount of harmonics are produced

    但是,由於力系統元件運行的非理想線性或非完全對稱、負載的性質各異且隨機變化、調控手段的不完善以及錯誤操作、外來干擾和各種故的存在,供網中的流()發生畸變,產生大量諧波。
  2. 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、低網大都未裝設母線保護裝置,發生故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、低流接地系統特點的基礎上,提出了一套適合中、低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。
  3. It shows the functional relationship between the instantaneous voltage and time. the intuitionism and particularity of the oscilloscope are outstanding compared with other electronic instruments. therefore, technicians in test and measure prefer to use it

    它以圖示的方式把路中的瞬間同時間的函數關系描繪出來,其測試的直觀性和細致程度是其它測量設備不可比擬的,所以是工程技術人員進行測試和故檢修時的首選工具。
  4. According to the quickly adjustable characteristic of the peterson coil grounding system, this dissertation proposes a new control strategy. when the system is in operation, the strategy can limit the series resonance over - voltage by using the off - resonance method. when fault occurs, the strategy can conveniently suppressing arc by rapidly adjusting the inductance value of the peterson coil to the point, which the resonance with grounding capacitance of the power network is occurred

    依據可控硅控制消弧線圈接地系統的快速可控性,一改傳統的網正常運行時調節消弧線圈接近於全補償的預調諧方法,提出正常運行時採用脫諧方法抑制串聯諧振過;故時立即調節消弧線圈感量達到與對地容諧振,以利熄弧的新型調節原理和方法。
  5. This thesis built the models computing the working frequency over - voltage " operation over - voltage for 220kv fugai transmission line, calculates and analyzes working frequency over - voltage " operation over - voltage using emtp program and provides reasonable protection measures for the transmission line. furthermore, regulations method, traveling wave method and striking distance method are used to study and compare lightning - enduring capabilities of different types of pole in power transmission lines aiming at the fact that the lightning strike switching rate of 220kv fugai line is higher

    本文分別建立了計算220kv復蓋線路的工頻升高及操作過的計算模型,利用emtp程序對220kv復蓋線路工頻升高、投切空線過、投切空變過、單相故進行計算分析,並提出合理的防護措施。
  6. Fault analysis and its precautionary measures for electromagnetic voltage transformer in ungrounded system

    磁式互感器在不接地系統中的故簡析及防止措施
  7. Based on researching the function of every kind of eliminating arc loop, new concept was brought up in this paper, and the protective device for eliminating arc and overvoltage was researched and manufactured. when the arc light connecting the ground emerges, the chip synthesizing controller control the vacuum contacter which can be operated with dividing phase and make its fault phase earthed so that the arc light can be dissolved thoroughly

    本文在研究各種消弧線圈的基礎上,提出全新的概念,研製出了消弧及過保護裝置,該裝置在出現弧光接地時,通過單片機綜合控制器控制一組可以分相操作的真空接觸器,使故相接地,達到徹底消除弧光的目的。
  8. To resolve the situation that the sensitivity of present ground fault protection schemes is low for the large - sized hydro - generators, a kind of protection scheme based on the fault component of third - harmonic voltage and two kinds of protection scheme based on the fault component of zero - sequence voltage at the terminals and neutral are developed, and they can obtain higher sensitivity and reliability and provide 100 % protection for the stator windings. the influence of noise on the stator ground fault protection based on the local modulus maximum of wavelet transform is analyzed

    針對目前大型水輪發機定子繞組單相接地保護靈敏度偏低的問題,通過分析單相接地故后機端和中性點零序的變化特點,提出了一種基於機端和中性點三次諧波分量和兩種基於機端和中性點零序分量的高靈敏度、高可靠性保護方案,並實現定子繞組的100 %保護。
  9. 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網接地故的形式、消弧線圈接地的應用范圍、兩種運行方式供可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以纜為主的城區10kv網中性點接地方式的選擇問題進行研究。論文首先對10kv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站10kv網的實際參數來建立數值計算模型,在考慮了網接地流變化、中性點阻取值大小、接地點接地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阻接地方式下網的過水平和接地點短路流大小進行了數值計算,其計算結果與科院所作現場試驗進行了比較。
  10. The influence of stray inductance in the module circuit to turn - off transient over voltage of igct has been investigated systematically, the surge current calculation has been done by simulation, and the short circuit failure once occurred in experiment has been analyzed by computer simulation, reproduced the breakthrough failure happened in experiment by means of simulation

    充分利用計算機模擬的優勢,詳細分析了模塊路雜散感對igct關斷過的影響,進行了短路浪涌流計算,對試驗中發生的短路故進行計算機模擬分析,重現了試驗中出現的誤觸發貫穿短路故現象。
  11. In the term of restoration reconfiguration, it is necessary to assure that all lines current and nodes voltage are in the limits of safety

    恢復過程中保證所有的線路流或節點在安全范圍限度內。
  12. An automatic fault location method is proposed based on ftu after the circuit analysis of single line - to - ground fault in distribution networks

    通過對配網發生單相接地故后饋線的流變化規律的分析,論文提出了基於饋線現場監控終端ftu的故點智能定位方法。
  13. The fault diagnosis system includes four parts : sampling and insulation of the synchronous signal, sampling of the voltage waveform of the rectifier, logic pre - processing and dft analysis, display and alarm circuit

    診斷系統主要包括同步信號的取樣與隔離、整流的采樣、邏輯預處理及dft分析,診斷顯示報警路等四部分。
  14. Through analyzing the two cases of protection malfunction due to incorrect connection of open - delta connection of busbar voltage transformer, the importance of correct connection of open - delta connection when earthing fault occurring in a power system was explained

    摘要通過分析兩起母線互感器開口三角形接線錯誤引起的保護不正確動作,從而說明在系統發生接地故互感器開口三角形接線正確的重要性。
  15. Directed against the distributing fault disposing mode and centralizing fault disposing mode of distribution distribution feeder automation, we use two different research methods respectively. under the distributing fault disposing mode , combined with the technological ameliorate of the applying plc in the switch control department of the urban distribution ring feeder, we design a new voltage - current feeder automation flow executing by recloses and sectionnalizers controlled by plc to locate the distribution feeder fault section

    針對配網饋線自動化的故分佈處理模式和故集中控制模式,分別採用了不同的研究方法:在配網採用故分佈處理的模式下,結合應用於城市手拉手配環網的環網開關櫃的技術改造,設計了一種新的-流型饋線自動化模式,利用可編程序控制器( plc )來控制饋線上的重合器和分段開關來實現配網饋線的故區域定位。
  16. Validate system load flow and fault models using instantaneous voltage angles. use system - state measurements to increase stable system loading through reduced margin requirements

    批準力潮流和故類型使用瞬時角度.通過縮減利潤需求,使用系統狀態測量以增加穩定的系統負荷
  17. Carry out the electrical protection for the generator set, such as overload, shortcircuit, under - voltage, ground fault and etc

    實現機組過載短路欠接地故氣保護
  18. Recommended practice for determining the electric power station ground potential rise and induced voltage from a power fault

    測定源故引起的站地面位升高和感應的推薦規程
  19. For the convenience of test, varied circuit chip defects caused by the production process are abstracted as all kinds of models. at present the commonly used fault models mainly consist of stuck - at fault, stuck - open fault, bridge fault, store fault, delay fault, etc. testing methods based on voltage testing mainly aim at stuck - at fault model and have also obtained satisfactory result in research for many years. bridge fault is tested easily by quiescent power supply current ( iddq ) testing method. in regard to stuck - open fault that is difficult to testd by quiescent power supply current ( iddq ) and voltage testing, it can is tested by the dynamic current ( iddt ) testing

    為了便於測試,我們將生產過程中集成路出現的多種多樣的缺陷抽象為各種模型。目前常用的故模型主要有:固定故,開路故,橋接故,存儲故,時滯故等。測試主要針對固定型故模型,多年的研究也取得了令人滿意的結果; cmos路中的橋接故則宜用穩態流測試方法( iddq )測試;對于和穩態流難以測試的開路故,可以使用瞬態流測試( iddt )的方法進行測試。
  20. The information includes four types : six analog signals, such as oil quantity, voltage, oil pressure, water temperature, inside and outside temperature ; switching signals, such as the door, window, etc. ; impulse signals, such as car speed, and the rotate speed of engine

    研究了汽車在行駛過程中各狀態參量的數據採集。主要包括四類:油量、油、水溫、車內溫度和車外溫度等6路模擬量,全部車燈的故檢測量,車門、車燈、空調開關等車上常用開關量,車速、發動機轉速等。
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