母線故障 的英文怎麼說

中文拼音 [mǔxiàngùzhàng]
母線故障 英文
bus-bar fault
  • 母 : Ⅰ名詞1 （母親） mother 2 （泛指女性長輩） one s elderly female relatives 3 （配套的兩件東西里的凹...
  • 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...
  • 故 : Ⅰ名詞1 （事故） event; incident; happening; accident 2 （原因） cause; reason 3 （朋友; 友情） fr...
  • 障 : Ⅰ動詞（阻隔; 遮擋） block; hinder; obstruct Ⅱ名詞（遮擋物） barrier; block; obstacle
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. Think upon fault of a 220 kv bus surge arrester

    母線避雷器故障引發的思考
  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、低壓電網大都未裝設母線保護裝置，發生故障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、低壓小電流接地系統特點的基礎上，提出了一套適合中、低壓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. 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路故障（特別是故障電流含有大量非周期分量）時， ct會出現飽和現象， ct飽和后，不能正確地傳變一次側電流，從而使二次電流發生嚴重畸變，產生很大的差電流，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二次電流過零時的線性傳變區投入差動保護，避開ct飽和區，能對母線故障做出正確判斷。
  4. Thus, to open or block it in current transformer linear or saturation sections, the bus differential protection can be realized

    實現了母差保護在ta飽和區內閉鎖，線性區內開放，從而避免了區外故障ta飽和時保護的誤動作。
  5. 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電壓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障時電壓互感器開口三角形接線正確的重要性。
  6. This paper analyzes detailedly the principles on distributed busbar protection - current instantaneous value differential method, impedance method, and put forward the new method of current fault component phase method, then compares with these methods

    本文詳細分析了分散式母線保護中的原理?瞬時值電流差動法、阻抗法，提出了電流故障分量相位法的新方法，將這幾種方法進行比較。
  7. This unit is particularly designed for monitoring 400v feeder with backup automatic switch. it could accurately measure and calculate : voltage, current, frequency, active power, reactive power, power factor and energy. when bus gets into trouble, it can perform the function of automatic switching to backup power supply

    該單元是特別針對400v饋線備自投而設計的，它具有測量母線的電壓、電流、頻率、有功功率、無功功率、功率因數以及有功電度、無功電度等電參數的功能；當母線出現故障（過壓或欠壓）時，能夠完成兩組母線的自動投切，即備自投的功能。
  8. This layout can stop the internal arc fault expansion ; can avoid harmful moisture, small animal and dusty interferences. it also has good perfomiance and high reliability. because the heat cannot transmit to the outside of the bus room, a good operation environment for the low space can be obtained

    主母線室置於箱體頂部一個單獨的金屬封閉的間隔內，並與10kv開關室、儀表室等間隔相互獨立，為同類產品首創；這種結構可以防止內部電弧故障的擴大化，避免「火燒聯營」事故；防護性能好，防潮、防小動物侵害、防積塵，運行可靠；由於母線室的隔熱作用，為下層空間創造了一個較好的運行環境。
  9. At present the special protective devices for busbars in middle and low voltage distribution networks are still not common. only appended to original busbar protections, so the faults occurred in middle and low voltage busbars have to be cleared by back - up relaying with long time delay. thus, some kind of faults may spread which originally could be cleared and tremendous economy loss may appear

    在電力系統中35kv及以下電壓等級的母線由於沒有穩定問題，一般未裝設專門母線保護，母線故障要由較長延時的后備保護來切除，使不少本可以得到控制的故障被發展和擴大，造成了巨大的經濟損失。
  10. 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故障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非參數化系統辨識方法研究了母線分佈電容對電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故障電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，並討論了暫態電流保護的運行性能。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，可以準確區分故障線路和非故障線路，實現超高速暫態電流保護，計算更為簡單方便，計算速度更快。
  11. In addition, it will limit the expected voltage sag during the fault and improve the system power quality

    此外，它還能很好的解決故障期間配電網的母線電壓下凹（ voltagesag ）問題，從而改善配電網的電能質量。
  12. Finally this method is realized in microprocessor based busbar protection, the result of a lot of experiments indicates that this protection can reliably avoid misfunction of the busbar protection, and when the fault is developed, the fault can be rapidly eliminated by the protection

    最後，在微機保護裝置上編程實現。大量試驗表明諧波制動判據具有很好的抗ta飽和能力，而且當故障由母線區外轉至區內時，判據能夠迅速開放。
  13. Abstract : the estabishing math model technique of simulating stationservice system for 300mw electric power simulation unit and its significance, are described. the simulating object and simulating scope are discussed. the system design, each load calculation and each bus voltage calculation of station service system in realization, control panel design and fault setting ; are described also

    文摘:介紹了300 ? mw火電機組模擬機廠用電系統的建模技術及其意義，論述了模擬對象及模擬范圍，對系統設計、具體實現中的廠用電系統各段負荷計算、廠用電系統各段母線電壓計算、盤臺設計及故障設置作了介紹
  14. Based on the traveling wave, double ended approach only deals with the first transient traveling wave reaching the two buses of the fault line

    摘要基於行波的輸電線路雙端測距演算法只用到到達故障線路兩側母線的第一個故障初始行波波頭，其可靠性較高。
  15. 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，線路出口故障時暫態電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電容中的暫態電流，從而故障線路與非故障線路暫態電流波形的奇異性相近，根據故障線路和非故障線路的暫態保護判據計算結果不能正確識別故障線路。
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