phase-fault 中文意思是什麼

phase-fault 解釋
相位故障
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • fault : n 1 過失,過錯;罪過,責任。2 缺點,缺陷,瑕疵。3 (獵狗的)失去嗅跡。4 【電學】故障,誤差;漏電...
  1. The time - scale amplitude plot and phase plot based on hermitian wavelet transform are presented to singularity detection of signal. the corresponding relation relation between singularity and amplitude plot or phase plot is created. as successful application, fault of axletree damnify is found by means of this method

    提出了基於hermitian小波變換的時間?尺度幅圖和相圖來識別信號奇異性的方法,建立了信號奇異點與幅圖和相圖的對應關系,在軸承損傷故障診斷中取得了成功的應用。
  2. They are paleozoic ~ early mesozoic - fold deformation and the appearance of reversed fault ; mesozoic - the beginning of graben faulting - block period ; early cenozoic - the phase of broke - the forming of block hill ; late cenozoic - the phase of segging - the forming of buried hill. we mark off five kinds of buried hill belts. they include three different kinds of trap on the basis of the cause of trap formation

    本次研究在重新認識濟陽坳陷區域構造背景的基礎上,將濟陽坳陷古生界潛山的形成過程分為四個階段,即古生代早中生代?穩定沉降?隆升?輕微褶皺變形及逆斷層發育階段、中生代?初步斷陷階段?塊斷期、新生代早期?斷拗階段?塊斷潛山形成期以及新生代晚期?坳陷階段?潛山定型期。
  3. Abstract : there are only two set values ( 30, 45 ) for interior angle of the stimulated directional power relay as the protection in phase to phase short circuit fault. an accurate setting formula for interior angle of the microprocessor - based directional power relay as the protection in phase to phase short - circuit fault is proposed and analyzed, users can set as a calculation value or at least an optimum in the formula. therefore the operation sensitivity and reliability of the directional relay would be improved greatly. the opinion is new and practical

    文摘:保護相間短路的模擬式功率方向繼電器內角的整定值只有兩個( 30 、 45 ) ,用戶只能在這兩個值中選其一;分析並提出了保護相間短路的微機型功率方向繼電器內角的準確整定計算公式,用戶可以整定為該公式的計算值或至少為最合理的值,從而能顯著提高方向繼電器的動作靈敏度及可靠性,具有新見解及應用價值。
  4. Design and application of water cut - off and phase fault protection device of l - type air compressor

    型空壓機斷水缺相安全保護裝置的設計及應用
  5. 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的四個定位判據- 「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」 -進行有選擇地遞進使用,不僅有效彌補了目前已有小電流接地系統單相接地故障選線的缺陷,更將故障定位在故障線路最小故障區段。
  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

    由於負序電流在故障線路和非故障線路上具有顯著差異,故本文也研究了將負序電流作為故障特徵量的可行性。
  7. After that, the author discusses a novel solid states limiting technology and provides a single - phase solid states bridge current limiter and a main circuit topology of three - phase fault current limiter. it can be found that the new type of three - phase solid states bridge current limiter can handle the fault conditions more flexibly. it can not only remove the fault circuit, but also control the value of stable fault current to cooperate with the existing line three - segment relay

    繼而,介紹了一種新型固態限流技術,給出了單相、三相限流器的主電路拓撲,分析了其基本工作原理和控制方式,指出以全控橋結構為基礎的變壓器耦合橋式限流器能夠更加靈活地處理電力系統的各種短路故障,及時地限制短路電流,並與現有的線路三段保護相配合,還可根據需要實現及時切除故障電路,在故障恢復時軟重合閘。
  8. Mainly in the electricity distribution network for distribution lines so that power and protect equipment from overload, short circuit and under voltage, single - phase fault to other hazards

    主要在配電網路中用於分配電能和保護線路使電源設備免受過載短路欠電壓單相接地等故障的危害。
  9. For phase - to - phase fault, it trips three phases and recloses three phases ( checking synchronization and no - votage ) ; when reclosing on permanent fault, it trips three phases

    使開關相間故障跳三相,重合三相(檢定同期或無壓) ,重合於永久性故障跳三相。
  10. It is troublesome when it comes to a single phase fault happened on a non - direct - ground system, a host of scholars have dwelt on it. actually, most of these works are based on steady conditions

    長久以來,小電流接地系統單相接地的故障選線和故障定位問題一直沒能很好的解決;很多學者做了大量的工作,但是,這些工作很多都是基於單相接地時穩態電容電流的分析的結果。
  11. B fault detection : detection and indication of inter - phase and earthed phase fault, detection of broken wire, transmission of fault data, fault isolation and service restoration

    故障檢測功能:檢測故障發生的時間歷時過程,故障電流電壓的幅值和方向,故障錄波和報文記錄,故障遙測報文上送,與配電主站配合完成故障隔離和事故恢復。
  12. Brings out some new and different viewpoint on issues of transient and dynamic voltages for generator single phase fault as well as third harmonic fault protection.

    在暫態過電壓和三次諧波保護等問題上,提出了一些不同觀點。
  13. Two - phase fault - tolerant system is proposed which could make the error and fault can be controled effectively

    提出了基於com 、 opc 、 xml的三層數據採集和服務體系框架,使系統更具通用性。
  14. The single phase - to - grounding fault frequently occurs in neutral ungrounded system. the fault line must be found to avoid a phase - to - phase fault. in this paper, firstly, the condition on single phase - to - grounding fault occurring in neutral ungrounded system are discussed and then the main troubles in choosing fault line are pointed out

    本文首先分析了小電流接地系統發生單相接地故障時的情況,指出選線所遇到的主要困難,進而對小電流接地系統單相接地故障的選線及測距的方法做了比較和綜述。
  15. In addition, the enormous use of cables in city power system increases the current through the grounded capacitor. these make the single - phase fault current get greater, which lead to more and more instantaneous grounding faults unable to eliminate naturally

    近年來,由於城市配電網路規模的不斷發展,以及城網中大量使用電纜,使得系統的接地電容電流大大增加,系統單相接地故障時接地電弧不能自動熄滅,越來越多的瞬間單相接地故障不能自動消除。
  16. On the function study basis of main doublized protection type 11 and type 902 micro computer line protection device, taking permanent single phase fault occuring on power line within protected district as example, the paper analized in detail the acting behavior of type 11 and type 902 computer line protection device

    摘要在對構成線路主保護雙重化的11型和902型微機線路保護裝置功能研究的基礎上,以線路發生區內單相永久性接地故障為例,對11型和902型微機線路保護裝置動作行為作了詳細分析。
  17. This paper discusses several problem about the dealing with single - phase fault based on feeder automation, especially the case of communication blackout with one or two ftu ( feeder terminal unit )

    本文最後討論了饋線自動化中處理單相接地故障時的幾個問題,特別是個別配電終端出現通信故障時的解決方案。
  18. Then the paper gives an novel solid state fault current limiter. it provides the main circuit topologies of single - phase and three - phase fault current limiter, and explains the principle of this fcl detailedly

    然後提出了一種新型固態限流器,給出了單相、三相限流器的主電路拓撲,詳細說明了它的工作原理。
  19. Looking back this problem based on feeder automation, condition and requirement have changed obviously. the scheme for single - phase fault, which advanced by this paper, absorb the idea of selecting fault line by computer

    在饋線自動化的基礎上回顧單相接地故障處理這一問題時,條件和要求都發生了明顯的變化。
  20. When a single phase fault happened, the fault current is too low to affect the symmetry of a given power system. according to the regulations, it is admissible to run with fault for 1 hour or 2

    小電流接地系統發生單相接地之後,因為故障電流很小,不至於影響系統的對稱運行,所以,按照規程,可以繼續運行1 2小時。
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