有故障的相位 的英文怎麼說

中文拼音 [yǒuzhàngdexiāngwèi]
有故障的相位 英文
fault phase
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : 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
  • : 4次方是 The fourth power of 2 is direction
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  • 相位 : phase position; phase
  1. There is great change of negative current component when it happens the line - open fault. it is marked as the occurrence of the fault. and it can be concluded the phase characteristic of negative current in the line. in the transient course, there are plenty of harmonics in the fault line. through the transient analysis, it is drawed that the amplitude of each harmonic in fault phase is greater than other phases. harmonic current in fault line is far greater than other normal lines

    發生斷線以後,線路中會出現負序電流突變,可以作為啟動判斷標志,並且通過分析得出了時負序基波電流特點。在暫態過程中,電流中含大量豐富諧波成分,各次諧波在期間突變,並且衰減很快。
  2. Because the relative changing will result in the reducing of the accuracy of the determining the failure circuit region and the validity of the entire test system diagnosis result, their infrared thermal image must be matched

    熱像圖對改變會導致電路區域判定準確性和整個診斷系統診斷結果效性降低,因此必須對熱像圖進行匹配。
  3. It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line

    該方法通過將所包含四個定判據- 「暫態零序電流幅值法」 、 「穩態基波零序電流方向法」 、 「穩態7次諧波零序電流方向法」和「 s信號注入法」 -進行選擇地遞進使用,不僅效彌補了目前已小電流接地系統單接地選線缺陷,更將線路最小區段。
  4. It includes : dynamic show of technics flow, real time data acquirement and show, history data save and print, fault alarm, etc. the plc control system mainly accomplishes the wastewater technics flow control, harmonizes the logical relationship among local intelligent control instruments and transmits the state of each local equipment to the industrial computer simultaneously, the plc control station receives the control commands from the industrial computer ; the local intelligent units take charge of the correlated parameters measure, disposal and control, and it will transmit the related parameters to the computer, etc. in this thesis, introduced municipal wastewater treatment technics, the integrated application program development of computer, the design method of plc control station, the communication between plc control system and computer, and the network of wastewater treatment with profibus - dp was also discussed

    計算機主要實現遠程監測和管理功能,具體包括:工藝流程動態顯示、實時數據獲得及顯示、歷史數據存儲與列印、報警等功能plc控制系統主要完成工藝流程式控制制以及協調現場各智能儀表之間邏輯關系,將現場各設備運行狀態通過通訊網路傳輸到上計算機,並接收上計算機控制指令;現場各智能儀表單元負責各關參數監測和處理、控制,並將關參數送往上監控計算機進行處理、保存等。本文以莎車污水處理項目為例,介紹了城市污水處理工藝、上監控計算機綜合應用程序開發、城市污水處理自動控制系統plc控制站設計和採用profibus系列中廣泛應用於現場設備profibus - dp總線。
  5. The instrument can detect all kinds of steam, diesel engine start - up performance, high - voltage ignition performance, fuel injection performance, rechargeable performance, dynamic performance, service gas phase, abnormal sound engine vibration analysis more than 30 kinds of technical parameters, and analyze the causes for the failure, the detection process, may at any time and waveform display various technical parameters and results can be random print, the machines are more than 100 kinds of domestic and foreign memory engine technical parameters, it is rich in content and the test results can be readily compared

    該儀器可檢測各種汽、柴油發動機啟動性能、高壓點火性能、燃油噴射性能、充電性能、動力性能、配氣、發動機異響震動分析等30餘種技術參數,並分析產生原因、檢測過程中,可隨時顯示各種波形及技術參數和結果並可隨機列印,該儀器內存一百多種國內外發動機技術參數,內容十分豐富,隨時可以與檢測結果對比。
  6. Abstract : the responses of shaft bow and their relationships with unbalanceresponses and mechanical or electronic run out are analyzed based on the theory of rotor dynamics. the responses of shaft bow are separated from the unbalance responses successfully by making use of vibration information under different rotor runs. an identification method of thermal bend is presented based on the 2d - holospectrum technique. experimental results show that when bow phase is steady and amplitude is variable, the tangent of initial phase point on the 2d - holospectrum is parallel, which can be effectively used for diagnosis of bent shaft

    文摘:依據轉子動力學理論分析了柔性轉子彎曲響應特徵,在此基礎上討論了它與不平衡響應及機械與電氣跳動量之間關系,並利用轉子在不同起車情況下振動信息,效地分離了彎曲響應和不平衡響應,求解出彎曲量與不平衡量比值.提出了轉子在恆定轉速下,基於二維全息譜技術熱彎曲識別方法.研究結果表明,當彎曲量穩定而其幅值變化時,轉子響應二維全息譜初切線是互平行,由此可以效地實現轉子熱彎曲識別與診斷
  7. So the development of self - energy sf6 cb is very important. in the paper, the math model of arc - quenching chamber air - pressure character is built on the base of 126kv / 31. 5ka self - energy sf6 cb ' s exploiting, then the theory analysis and calculation is deeply been done for cylinder radius, nozzle spout radius and opening position of moved contact that they have the essential effect for the use of arc energy in the course of opening. arc - quenching chamber parameter is confirmed according to the request of full opening and fault opening when the cb is opening

    本文針對126kv31 . 5ka自能式sf _ 6斷路器研製,建立了滅弧室氣壓特性數學模型,對自能式sf _ 6斷路器開斷過程中電弧能量利用重要影響滅弧室缸徑、噴口直徑、動觸桿開口置進行了詳細深入理論分析和計算,並根據斷路器開斷中滿容量開斷和近區開斷要求確定了滅弧室參數。
  8. For safety reasons, an overrun tunnel of sufficient length is required at all terminal stations to ensure trains failing to stop at the design position, as a result of human error or defective equipment, would not collide with the tunnel end

    基於安全理由,所終點站均須設足夠長度掉頭隧道,確保列車因人為錯誤或機件而停站置失準時,不會與隧道末端撞。
  9. The writer bases her research work on the most popular grid middleware globus toolkit, and takes grid platform of fault - handling of electric power as the application background, and her work includes : ( 1 ) researching into grounded theories of grid and key technologies of grid information service, and analyzing thoroughly the bottom implementation mechanism and related function interfaces of mds in gt3. 2 ; ( 2 ) analyzing the shortage of traditional fault - handling system of electric power, and putting forward the necessity of importing grid technology into this application domain ; ( 3 ) doing a thorough application analysis for the grid platform of fault - handling of electric power, and bringing up the architecture based on globus toolkit for this application domain, and then locating focus on the information service, finally designing and implementing the service information management module ; ( 4 ) successfully installing, configuring and testing gt3. 2 under the linux operation system, and establishing a simple virtual organization as a simulative grid environment ; ( 5 ) designing testing instances fit for the simulative grid environment, and developing grid services for testing related functions ; ( 6 ) summarizing the writer ' s research work, looking forward to the developing directions, and settling the base of succeeding work

    本文研究工作圍繞網格信息服務展開。作者以現主流網格中間件globustoolkit為基礎平臺,以電力處理網格平臺作為應用背景,進行了以下研究工作: ( 1 )對網格基礎理論和網格信息服務關鍵技術進行了研究,並深入分析了gt3 . 2中mds底層實現機制和關功能介面; ( 2 )分析了傳統電力處理系統不足之處,提出在該領域引入網格技術必要性; ( 3 )對電力處理網格平臺展開應用分析,針對該領域提出了基於globustoolkit總體架構,然後將重點定到信息服務上,設計並實現了系統服務信息管理模塊; ( 4 )完成linux平臺下gt3 . 2安裝、配置和測試工作,並構建了一個簡單虛擬組織作為模擬網格環境; ( 5 )針對模擬環境設計測試實例,編寫網格服務對關功能進行了測試; ( 6 )總結作者研究工作,展望下一階段發展方向,為后續工作奠定了基礎。
  10. Firstly, object - oriented programming method and relation database technology are used to realize protective information management, with a multiple tires " client / server architecture. using it, the technical staffs can check all kinds of reports, fault waves and setting values of protection. secondly, based on protective principles of ta21 series protection devices, protective function is simulated by using object - oriented technology

    首先,本文將面向對象方法和關系數據庫技術結合起來,採用psmis多層客戶?服務器體系結構實現對保護信息管理,以便供電段技術人員查看保護裝置整定值、各種報告、錄波(系統不僅能顯示波形,還能動態顯示波形每一點峰值、效值、,甚至阻抗值及阻抗角、諧波含量等) 。
  11. Moreover, its interior pll circuit substitutes traditional pll. as a result, the presented design not only overcomes some shortcoming of traditional circuit such as tracking speed and accuracy, but also gets rid of response lag time and multi - phase noise. the system design is also important to improve our country ' s fault diagnosis standard

    而該系統內部鎖電路代替了傳統方法中pll ,因此,提出此系統設計不僅能夠克服基於傳統鎖環電路等轉角采樣方法跟蹤精度低、速度慢和使用不便等特點,還能克服電路中由於不可避免響應延遲時間所導致不適合快速列車運行及過多噪聲問題,對于推動我國鐵路在線診斷技術應用普及具重要意義。
  12. Abstract : in order to process signal in depth and to extract the fault feature from original signal in machinery diagnosis , the graphical display algorithm that can keep the data length of wavelet transform results the same as that of original signal is used. the fault diagnosis of a bend axial piston pump via b - spline wavelet that has linear phase is provided. the results of study demonstrate that the new method has excellent feature and the weak fault signal can be extracted from the strong vibration background of the pump

    文摘:採用具線性b樣條小波,應用圖形顯示演算法並結合小波變換快速演算法將信號分解到不同頻帶上,且分解結果和原信號長度保持一致,可對信號進行深層次處理,克服了傳統信號處理方法不易提取微弱信息不足.通過對礦用斜軸式柱塞泵振動信號分析,分離出了配流副磨損、球鉸松動、缸體及泵軸支撐軸承特徵,為液壓泵診斷提供了依據,並為信噪分離、微弱信號提取及設備早期診斷提供了一條效途徑
  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非效接地單端供電系統發生單接地后線路上各處信息暫態特性和穩態特性基礎上,提出了一種新小電流接地系統單接地方法- 「遞進信息法」 。
  14. In this thesis, the fault location algorithms of hv transmission line are evaluated at first, then the factors that affect the accuracy of the fault location are analyzed, and the proper solutions are presented

    本文首先對現高壓輸電線路方法進行了綜合評述,在此基礎上對造成穩態測距誤差一些尚未獲得滿意消除因素進行了深入探討,並提出了解決方法。
  15. The distribution network automated system ( das ) is a management information system, including computer software and hardware technology, the computer network technology, the automatic control technology, the data communication technology and electrical power system technology, and it is utilized to acquire the data from power distribution network, monitor operation, position breakdown fast, isolate the failure, restore the power supply and administrate need, what ’ s more, it reduces the time of power cut effectively, improve the reliability and quality of power supply

    配電自動化系統( das )是集計算機軟硬體技術、計算機網路技術、自動控制技術、數據通信技術及電力系統關技術於一體信息管理系統,為配電網路數據採集、運行監視、快速隔離、供電恢復以及需求側管理等提供了技術手段,能夠效地縮短事停電時間、提高供電可靠性、改善供電質量。
  16. Electrical machines are the most important and main drive devices in manufactures and our daily life. no other kinds of machines can replace them. they are widely used in the modem world. without electrical machines, the world would not be what it is today. when operating, they might have a lot of faults. if a main electrical machine is wrong in a work line, the whole line will stop, even the whole productive system. the phenomenon of the faults are so complicated and various that the maintance worker should be skillful and very experienced. the history of fault diagnosis and protection is as archaic as the machines themselves

    電機是當今生產活動和日常生活中最主要原動力和驅動裝置,它廣泛地應用於現代工業生產中,它們數量之多,地之重要,幾乎沒其他設備所能與之比。電機在運行過程中,難免會出現這樣那樣,假如一條生產線上主要電機,必將造成生產線停工,甚至會影響整個大生產系統工藝流程。電機現象比較復雜,要求維修人員具較高技術水平與經驗,才能發現和判斷。
  17. Prosprosing a tansformer winding model to judge whether the transformer has come into bing interturn short circuit and the degree of interturn short circuit, and providing an availability for condition monitoring of transformer that improves the accuracy of condition monitoring and fault diagnosis. 3. the accuracy and invalidity of diagnosis of fault positions and fault characters of power transformer would be improved greately if reasoning and analyzing the operation records and oringnal datums of transformer

    建立變壓器繞組狀態監測和診斷模型,通過對繞組在線監測判斷繞組是否發生了匝簡短路、具體哪一發生匝間短路以及匝間短路嚴重程度,為變壓器狀態監測提供了狀態監測量,實現了變壓器局部定效地提高了電力變壓器診斷準確性。
  18. The thesis uses sql server 6. 0 database, standard sql access interface, and oriented - object program language vc + + to implement our electric network dispatching message management system. the system can operate like this : automaticly check if having data files come ; discriminate file type ; automaticly read data into database ; rapidly give out the precise analysis results, including waveform display, fault component calculating ; select fault phase ; distinguish fault type ; precisely fault allocate ; run all kinds of database administration, like antomatic add - on, automatic deletion, amendment, inquiry by different conditions ; print all kinds of outcome and keep them into database ; share data resource by web technique ; deal with complex faults. the whole system i finished will be powerful technic support for dispatching operation

    本文採用標準sqlserver6 . 0數據庫,標準sql訪問介面和面向對象編程工具vc + +進行編程,實現了集數據庫、分析計算、圖形化界面、網路通訊於一體電網錄波信息管理及診斷系統,該系統能夠在每次后自動查詢無數據文件到來;能夠對傳送到調度端數據文件分析其類型;能夠按comtrade格式自動地將大量數據信息完整地填入數據庫中;能夠進行類型判別和精確定;能夠快速地對做出精確分析,計算各次諧波分量,無功和視在功率,功角,序分量等;能夠對數據庫進行各項管理,如瀏覽,自動添加和刪除,修改和按各種不同條件進行查詢;能夠將計算結果,各種表格圖形列印出來和保存進數據庫中;能夠將計算分析結果通過web技術為其他部門提供共享數據資源
  19. Through studying the principle of dimmer and switch power supply, it was found that in some frequency points, by analyzing the phase of electric voltage and current it can tell if arc faults occur

    研究調光燈及開關電源工作原理可以發現,通過分析迴路中電壓電流在某些頻率點信息,可以效判別是否發生了電弧。
  20. Distribution power systems in our country are almost ineffective grounded systems, it is called small current neutral system ( scns ). but the unique characteristics of ground - faults of the scns make it difficult to locate exactly the fault point of transmission lines

    我國大多數配電網均採用中性點非效接地系統,即小電流接地系統,但由於該系統自身特點,其單接地檢測定成為長期困擾電力工作者一個棘手問題。
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