非故障電路 的英文怎麼說

中文拼音 [fēizhàngdiàn]
非故障電路 英文
healthy circuit
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : Ⅰ名詞1 (事故) event; incident; happening; accident 2 (原因) cause; reason 3 (朋友; 友情) fr...
  • : Ⅰ動詞(阻隔; 遮擋) block; hinder; obstruct Ⅱ名詞(遮擋物) barrier; block; obstacle
  • : 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...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. The mutual inductor of electric current and voltage mutual inductor play an important role in relay protection. prevent from ct differential to protect and miss movement an important subject that the generatrix is protected on the saturation, put forward two electric current pass zero hour linear to spread person who become put into differential to protect in ct in recent years, avoid ct saturation district, can judge the bus bar trouble correctly

    但是在母線區外發生短(特別是流含有大量周期分量)時, ct會出現飽和現象, ct飽和后,不能正確地傳變一次側流,從而使二次流發生嚴重畸變,產生很大的差流,這樣就容易引起誤動作。防止ct飽和時差動保護誤動作一直是母線保護的一個重要課題,近年來提出的在ct二次流過零時的線性傳變區投入差動保護,避開ct飽和區,能對母線做出正確判斷。
  2. Specification for non - incendive low voltage control interlock and low voltage earth fault monitoring circuits for use in mines

    礦用激勵低壓控制聯鎖和低壓接地監控規范
  3. The thesis devote to desams ( double - channel electro - hydraulic servo adaptive motor simulator - rig ) condition monitoring and accessing in theory and application. based on short signal analysis theory, the thesis explores the representative vibration faults of complex and non - linear equipment by both theoretical and experimental methods systematically

    本文基於簡訊號分析技術,針對液伺服道模擬試驗臺運行狀態監測和狀態評價,對簡訊號的最大熵譜分析技術在自復雜線性系統的實時在線診斷領域的應用進行了系統的理論和實驗研究。
  4. Then, this thesis presents an algorithn of 2 - terminal quantity fault location based on synchronous gps sampling. this algorithm conducts fault location with only the 3 - phase fundemental wave voltage and current phasors of the 2 terminals of transmission lines and apples to lines of both symmetrical and asymmetrical parameters, irrelerant to the impedence, fault types and transitional resistance of the 2 terminals of lines

    然後,本文提出了一種基於gps同步采樣的雙端量測距演算法。該演算法僅利用輸兩端的三相基波壓、流分量來進行定位,不受線兩端系統阻抗、類型、過渡阻等因素的影響,對參數對稱線對稱線均適用。
  5. Combined with the practical situiation in distribution network, it ' s suitable to select graph algorithm as the theoretical algorithm base. based on structure variable dissipated network theory, this thesis detailedly discusses the transforms of base - to - shape, shape - to - base, vertex - to - arc, arc - to - vertex, over - heated arc dectection, load allotting, load balancing and optimum restoration

    本論文基於變結構耗散網理論,詳細討論了基形變換、形基變換、點弧變換、弧點變換、過熱弧搜尋、負荷分配、負荷均衡化以及優化恢復區域供等一系列與饋線自動化功能相關的處理演算法。
  6. So it can be used for single - phase fault identifying. this paper discusses the size of the negative current and the method of analyzing it. numeral simulation shows the feasibility of it

    由於負序流在上具有顯著差異,本文也研究了將負序流作為特徵量的可行性。
  7. The precise location of high - voltage transmission line fault is of great significance and practical engineering value

    高壓輸的準確定位具有常重要的意義和工程實用價值。
  8. According to the structural characteristic of distribution network, a method for fast - fault - location is proposed. this method required an arc - structure matrix and is based on the practical information achieved by ftu

    由於配后重構方案的得到具有多約束、線性和整數尋優的特點,用常規的數理方法求解往往不能令人滿意。
  9. During the repair time of elements of the distribution networks, because there are some open connecting switches, service restoration reconfiguration can be carried out in order to restore outage areas service

    網發生時,由於配網中有一些常開的聯絡開關,所以可以進行恢復網重構,盡可能的使區恢復供
  10. Based on the research project of my tutor the application of a new unified power flow controller in extra high voltage transmission lines operated in two phases, the existing principle of upfc and methods of the transmission lines operated in two phases, put the new upfc into hai - jin - jia 330kv extra high voltage transmission lines based on perfecting the framework of main net located in west of river in gansu which can improve the quality of electric power and ensure power transmission or transfer between the main net of gansu and the area of west of river

    本文綜合分析了海-金-嘉330kv超高壓輸在正常運行和情況下的諸多問題,在upfc的現有成果和全相運行現有方案的基礎上,結合導師的研究課題? ?新型統一潮流控制器在超高壓輸全相運行中的應用。提出在完善甘肅河西主網架結構的基礎上,將新型的upfc應用於海-金-嘉330kv超高壓輸,可以較好的解決壓質量問題,確保甘肅主網與河西地區網的功率傳輸、轉換。
  11. And matrix equations calculating the responses of coupled vibrations are deduced. a set of software analyzing coupled vibrations is developed. the responses of flexural vibration, torsional vibration and torsional torque are analyzed under some fault cases, including mass escaping of low - pressure and generator rotors

    利用該軟體,分析了低壓缸和發機轉子發生質量飛脫事,發機出口端發生三相、兩相短,發同期並網以及網三相短重合閘時,機組軸系的彎振、扭振及扭矩響應情況。
  12. In the 3 ~ 35kv power supply system of our country, the large part is the not solidly earthed neutral system. when the single - phase earthed phenomena happens in this system, this electric power network can run with failure. and in this way the operated cost can reduce greadty. and at the same time the power supply systemic dependability can be improved. but when the single - phase earthed current is large, this electric power system can engender easily arc earthed overvoltage and interphase short circuit by this means

    在我國10 35kv供系統中,主要為中性點直接接地系統,這種系統在發生單相接地時,網仍可帶運行,這樣可以大大降低運行成本,提高供系統的可靠性,但這種供方式在單相接地流較大時容易產生弧光接地過壓和相間短,給供設備造成了極大的危害。
  13. Based on the analysis of the transient and stable features of fault information on line in single carrier power supply with ineffective grounding neutral, this paper puts forward a new method for fault location in small current power system called " gradual identifying law "

    本文針對這一問題,在深入研究了中性點有效接地單端供系統發生單相接地后線上的各處信息的暫態特性和穩態特性的基礎上,提出了一種新的小流接地系統單相接地定位方法- 「遞進信息法」 。
  14. Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line. the method using wavelet singularity detection theory to extract the fault time is discussed. a fault distance measurement algorithm combining wavelet analysis used for separating the character from the transient fault signal with artificial neural networks used for the nonlinear approximation from the transient character to fault distance is presented

    論文提出利用各個出線零序流在頻帶上小波包系數模極大值的方向和大小的不同來實現選線,討論了利用小波分析的奇異性來判斷啟動時刻,提出將小波分析和人工神經網結合,利用人工神經網線性逼近能力,實現暫態量到距離的線性映射,完成測距。
  15. The obtained results show that the pwm - fcl can limit the fault current quickly, and the unfaulted phase ( s ) and unfaulted line ( s ) will keep stable operation state when an asymmetry fault occurs

    結果表明了pwm - fcl不但可以快速有效地限制住短流,並且在系統發生三相不對稱時,可以保證相以及的正常運行。
  16. The recursive criterion of transient current protection based on mallat wavelet transform is presented in order to meet the real - time demands. the reserch shows deficiency existed in the prevenient principle of transient current protection, so a new improved scheme of transient current protection is proposed. the characteristics of transient protection at different bus distribution capacitance is also analysed in this thesis. the study shows that operate of transient protection is correct when the bus distribution capacitance change. other conclusion include : the trip of transient protection must be locked when the power circuit breaker of transimission line operated, because the trip is incorrect at this time ; the features of transient current and it ' s energy is different between the fault and thunder over - voltage in transimission line, and them can be identified ; the ratio of high frequency component of current in serise capaciters compensation line, svc and hvdc system is far little than fault transient current, so all of them do not affect the working of trasient current protection

    應用功率譜估計方法討論了高頻暫態噪聲信號在頻率軸上的分佈情況,利用功率譜分析結果實現的參數化系統辨識方法研究了母線分佈容對流高頻暫態信號的衰減特性。論文的後半部分(第五,六,七章)著重分析了現有基於流的暫態保護原理和判據存在的問題,提出了新的實現方案,並討論了暫態流保護的運行性能。利用多分辨分析和小波分解快速演算法構成的遞推暫態保護判據,可以準確區分,實現超高速暫態流保護,計算更為簡單方便,計算速度更快。
  17. The transient solution obtained from the multi - loop mathematical model are in agreement with experiment results approximately under the conditions that saturation is not severe. though the errors of currents in some non - fault branch seem a little large, the fundamental components of the simulation current are accurate

    結果表明,多迴數學模型在機飽和不嚴重的情況下,暫態模擬結果與實驗結果大致吻合,雖然有時分支流與實驗結果的差異比較大,但基波分量還比較準確,基本可以滿足保護方案的靈敏度校驗等工程需要。
  18. Abstract : based on the substitution theorem, this paper proposes a new practical fault diagnosis method ior analog circuits

    文摘:基於網分析中的置換定理,本文提出一種適用於容差情況下,線性的實用性自動診斷新方法。
  19. The transient analysis and simulation studies in time - domain showed that the transient capacitance current of busbar is unable to be caught due to the limitation of the given sampling frequency, therefore the transient current singularity of the fault line and the non - fault line will approximate, which prevents to identify the fault line with the criterion calculation result of transient current protection

    研究結果表明,線出口時暫態流保護完全失去選擇性的根本原因是,在給定的采樣頻率的限制下,難以捕捉到過渡過程中極其短暫的母線分佈容中的暫態流,從而暫態流波形的奇異性相近,根據的暫態保護判據計算結果不能正確識別
  20. By study, we can know that when one - phase ground fault happens on the line, more far the fault location is from where relays place, more less is the difference of the two zero sequence currents, while hen one - phase ground fault happens on the other line, more far the fault location is from where relays place, more is the difference of the two zero sequence currents

    研究表明,當本回線發生單相接地短時,在通過公式計算得出的一特定值為正時,離保護安裝處越遠,本回線零序流與零序流相位差值越小;當另一回線發生單相接地短時,離保護安裝處越遠,本回線零序流與零序流相位差值越大,該值為負時則反之。
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