長期性故障 的英文怎麼說

中文拼音 [zhǎngxìngzhàng]
長期性故障 英文
chronic troubles
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 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
  • 長期性 : chronicity
  • 長期 : over a long period of time; long-term; long range; secular
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. In a long term, management of metal structure is a difficult point in the management of harbour equipment. how to increase the scientific reasonability of these cranes, and to prolong their lives, is one important harbour of state supervision and fault diagnosis in harbour machinery

    以來,裝卸型門機的金屬結構的管理一直是港口設備管理的難點,如何有效地提高這些裝卸型門機使用的科學和合理,有效延其使用壽命是當前港口機械結構狀態檢測和診斷的重要內容。
  2. Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system

    統一潮流控制器( upfc )是功能最強、最具發展潛力的靈活交流輸電系統( facts )控制器之一,如果在常規條件下,用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能,在發生單相永久接地或單相斷路時,由傳統的三相跳閘改為單相跳閘,用upfc的並補來濾除兩端系統的零序和負序電流,用upfc的串補來提高輸電線的傳輸功率,以實現兩相運行,那麼輸電系統的穩定、可靠將大大提高。
  3. The extremely harsh working conditions directly result in high thermal and mechanical loads in diesel engines " piston assemblies, and so due to high stress it becomes one of the most vulnerable components assembly in diesel engine. piston assemblies " failures such as cylinder sticking, scoring, gumming, etc., greatly limit diesel engines " durability and reliability

    由於工作在惡劣的環境下,柴油機活塞組要承受很高的熱負荷和機械負荷,這些負荷所產生的高綜合應力影響了它的使用壽命,其可能導致的咬缸、拉缸、結焦等極大地危害了柴油機整機的耐久和可靠
  4. It is hence important to develop a kind of new intelligent protection system with wonderful performances used in flameproof switchgear which can not only improve the supply quality of underground hv distribution system but also perfect its protective properties, especially can prevent the underground from gas explosion and guarantee the operating safety for underground worker

    以來現場所使用的這種開關載流能力小、保護簡單、率高,直接影響礦井供電的可靠、安全和連續,因此研究高能的6kv防爆開關綜合保護系統對提高供電質量、保人身安全,完善電網保護不僅具有重要的現實意義而且具有較高的經濟價值。
  5. As far as the soft clayey rock, widely distributed in guangdong, is concerned, it will swell after unloaded and soften during immersion. its strength decreases with time after excavation. as a result, the slopes probably lose their stability in a long time, and in deed there are some failure cases reported in engineering

    但對于在廣東頗具代表的風化泥質軟巖,因開挖外露而導致的浸水軟化和卸荷膨脹,會致使邊坡巖土強度的減損,使得按巖土天然強度指標設計的邊坡的穩定無法保,也造成了一些工程事
  6. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不穩定、波動大,電源的諧波含量過高,紋波系數過大,乃至電源設備損壞、輸出異常等情況出現,將會嚴重影響視頻信號的圖像效果,大大降低防盜系統的穩定和可靠,我們採用快速傅利葉變換原理,即fft變換,通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft變換,從而得出信號中各次諧波的含量及信號畸變系數,並將其與正常工況下的參數進行對比,從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況;組成監控系統的設備處于工作狀態,往往由於設備散熱條件不好、設備老化等原因導致設備表面溫度過高,從而影響設備的正常運行,降低設備的使用壽命。
  7. 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:採用具有線相位的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的頻帶上,且分解結果和原信號度保持一致,可對信號進行深層次的處理,克服了傳統的信號處理方法不易提取微弱信息的不足.通過對礦用斜軸式柱塞泵振動信號的分析,分離出了配流副磨損、球鉸松動、缸體及泵軸支撐軸承的特徵,為液壓泵的診斷提供了依據,並為信噪分離、微弱信號提取及設備的早診斷提供了一條有效途徑
  8. 1 high liability, can work under rating power for long time and no trouble

    1可靠高,能夠工作在額定功率下而不出現
  9. On the base of analyzing the development of control system for synthetic rubber press internationally, and combining the development status quo of applied research of reliability engineering of hydraulic systems, to overcome the design limitations of traditional control system for synthetic rubber press and such faults as high energy - consume, long process period and low reliability in the pressing process of synthetic rubber in the post - treatment product line, brand - new design and reliability research are to be carried out for the new control system

    通過對目前國內外合成橡膠壓塊機控制系統發展水平的分析,結合可靠工程在液壓系統中應用研究的發展現狀,針對國內合成橡膠后處理生產線上傳統橡膠壓塊機控制系統的設計缺陷及橡膠壓制過程中能耗高、工藝周、可靠差等現象,對橡膠壓塊機控制系統進行全新設計和可靠研究。
  10. 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點非有效接地系統,即小電流接地系統,但由於該系統自身的特點,其單相接地的檢測定位成為困擾電力工作者的一個棘手問題。
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