ac fault 中文意思是什麼

ac fault 解釋
動態故障
  • ac : =1 air controlman 美海軍航空兵的空中交通管制員。2 alternating current 【電學】交變電流,交流電。...
  • 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. This paper theoretically analyses the armature current and magnetomotive force in ac exciter of brushless synchronous machine with rotating rectifier. under the normal or fault conditions of rotating rectifier, the mathematical expressions of the armature current, the m. m. f and induced electromotive force are approached

    本文通過對旋轉整流器在正常與故障狀態下的交流勵磁機電樞電流和電樞電勢作了初步的理論分析,推導出旋轉整流器在正常與故障狀態下電樞電流、空間諧波合成磁勢及其感應電勢的數學表達式。
  2. Analysis of ungrounded neutral ac electric network insulation fault

    中性點不接地交流電網絕緣故障分析
  3. Di - on electric one of the beijing hi - new - tech enterprise develop and manufacture lots of equipment like sf6 dewpoint meter dp100, cable fault location system cfl6000 and more. di - on electric supply the most advanced technology and equipment on such as gis surge arrestor on line monitoring, resistance measuring, ac dc metrology, thermal - temperature bridge, power transformer diagnostic and testing, cable diagnostic and fault location, sf6and oil moisture measuring, oil treatment and testing, optic fiber temperature monitoring, circuit breaker testing, relay testing and more

    迪揚電氣在gis和避雷器的帶電測試與故障診斷分析,電力電纜的故障定位與局放檢測,變壓器電抗器的各種測試診斷與溫度監測, sf6的水分測量與回收,絕緣油的測試分析與濾油處理,紅外測溫與光纖在線測溫,以及各種電阻測試與計量,溫度計量與電能計量等方面擁有世界一流的技術與成熟的儀器設備。
  4. Abstract : the offence of infringing trade secret means the ac t of falsely obtaining, leaking out, using or permitting the other to use the righter ' s trade secret an d having resulted in heavy and great losses to the righter. its subject is mixed subject, containing both certain special subject and certain general subject. its mens rea may be both guilty intention, containing both direct intention and indi r ect intention, and guilty fault, containing both negligent fault and reckless fau l t. on the objective aspect its establishment is not necessarily signed by the “ h aving resulted in heavy and great losses to the righter ”. its direct object is t he righter ' s right to his trade secret, containing the righter ' s special ownin g right or using right and the right of keeping the secret to the trade secret

    文摘:侵犯商業秘密罪是指非法獲取、披露、使用或者允許他人使用權利人的商業秘密,給權利人造成重大損失的行為;其主體是混合主體,既包括一定的特殊主體,又包括一定的一般主體;其主觀方面既可以是故意,包括直接故意和間接故意,又可以是過失,包括疏忽大意的過失和過于自信的過失;其在客觀方面並不必然以「給權利人造成重大損失」為成立犯罪的標志;其直接客體是權利人對商業秘密的權利,包括對商業秘密的所有權或使用權以及保密權。
  5. Guide for determining fault location on ac transmission and distribution lines

    交流傳輸線和分配線的故障部位測定指南
  6. Fault testing of ac high - voltage circuit breakers rated on a symmetrical basis, guide for synthetic

    基於對稱原理的額定交流高壓斷路器的綜合故障檢測指南
  7. Guide for synthetic fault testing of ac high - voltage circuit breakers rated on a symmetrical current basis

    按平衡電流標定的交流高壓斷路器的綜合故障檢測指南
  8. Guide for synthetic fault testing of ac high voltage circuit breakers rated on a symmetrical current basis

    額定對稱電流基礎上的交流高壓斷路器的綜合故障試驗指南
  9. The sixth chapter takes the container crane electrical control system developed by shanghai port machinery plant for end - user as a example to show concrete implement methods in the aspects of ac frequency control system, communication control system, fault self - detection system and so on

    第六章以上海港曰機械製造廠為用戶開發的集裝箱起重機電氣控制系統為例,從交流變頻控制系統、通訊控制系統、故障自動檢測等方面給出了具體的實施方法。
  10. Plc controller is used on the electric control cabinet that controls two ac units ` operation on the local car ( ventilation, pre - cooling, pre - heating, full cooling, half cooling, full heating, half heating, automatic, etc ) with fault diagnosis function to display and adjust ac unit ` s operation mode and fault information through liquid crystal touch screen

    電氣控制櫃採用plc控制器,一臺控制櫃控制本車二臺空調機組的工作(通風、預冷、預熱、全冷、半冷、全暖、半暖、自動等) ,還具有故障診斷功能,可以通過液晶觸摸屏顯示、調整空調機組的工作狀態和故障信息。
  11. Firstly, the voltage sample signals from ac exciter stator coil were de - noised and filtered by means of decomposition of the wavelet function. secondly, the character frequency region of the rotating rectifier fault was selected clearly with wavelet package decomposition and reconstruction

    先對交流勵磁機定子磁極線圈電壓采樣信號進行消噪濾波,再通過小波包分解和重構進行特徵頻率提取,建立了表徵旋轉整流器故障的特徵向量。
  12. In order to analyze the characteristics of stator ground fault and develop its protection schemes, a mathematical model for large - sized hydro - generators is established based on the multi - loop theory of ac machines and considering the capacitance to ground and actual construction of the stator windings

    為了詳細分析大型水輪發電機定子繞組單相接地故障特點,校驗和開發相應的保護方案,本文建立了以交流電機多迴路分析方法為基礎、考慮定子繞組對地電容、採用實際繞組結構的發電機定子繞組單相接地故障模擬模型。
  13. Milland. a, taylor. i. a, weller. g. c, ac electrified railways protection and distance to fault measurement, iee conference publication, 405 mar 27 - 30 1995, p73 - 77

    葛耀中.新型繼電保護與故障測距原理與技術[ m ] .西安:西安交通大學出版社
  14. A non - linear feed - forward loop is used to realize the coordinated control between the two controlled variables at the two control ends at first. secondly, a constant ac voltage control is implemented for a short period after the ac fault removal. finally, a staggered recovery strategy for different hvdc subsystems is also adopted, with the restart time interval of them optimized using the steepest descent gradient search method

    該協調恢復策略的三個特點是:在常規的控制器結構中加入一個基於準穩態工作點的非線性前饋迴路;在交流故障被切除后的一個短暫時間內,逆變側採用定交流電壓控制:對不同的直流輸電子系統採取一種漸進的恢復策略。
  15. Supplement to guide for synthetic fault testing of ac high - voltage circuit breakers rated on a symmetrical current basis - 8. 3. 2 : recovery voltage for terminal faults - asymmetrical short - circuit current

    額定在均衡電流基礎上的交流高壓斷路器模擬故障試驗指南補充. 8 . 3 . 2 :終端故障恢復電壓.不平衡短路電流
  16. In case of complicated dc circuit, any type of symmetrical ac system fault. dc line fault and dc line ' s recovery after fault can be more accurately simulated, and the dc line ' s dynamic response can be better represented. all the above is very important when doing the research on dc power support to ac system under emergency conditions, and has laid a solid foundation for the interaction study which will be met in a hybrid ac / dc power systems

    該模型能夠在對交流網路進行機電暫態計算的同時,對直流網路進行電磁暫態的計算,因而能較精確地考察暫態過程中直流線路的動態行為,並可對任意對稱的交流系統故障、直流線路故障以及故障后直流輸電系統的恢復等過程進行模擬,且模擬時間較短,為在復雜系統中研究直流輸電系統與交流輸電系統間的相互作用奠定了基礎。
分享友人