電源故障信號 的英文怎麼說

中文拼音 [diànyuángùzhàngxìnháo]
電源故障信號 英文
power failure signal
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 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
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 電源 : source; current source; electric source; power pack; power supply; power source; source of power ...
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. These new methods adopt the circuit information contained in the power supply line current to realize the fault diagnosis. it can increase the fault coverage, reduce testing cost and improve the quality and reliability of ics

    它通過從電源電流信號中提取有效的信息來進行故障診斷，能夠提高故障覆蓋率，降低測試成本並提高集成電路產品的質量與可靠性。
  2. Abstract : the rechargeble batteries are used for backup power internal electrically equipments and instruments. but batteries lifetime usually is shorten by overwork and then malfunctions of equipment are induced. to avoid the complexion described above, the protection circuit against overwork is designed. it is based upon the voltage comparator and regulator. it will light up a red led when the volume of the batteries discharged close upon 50 % ; it will switch off the load automatically when it discharged closing to 80 % of their energy capacity, thus overwork of batteries can be avoided and lifetime may be extended

    文摘:用蓄電池做后備電源的系統（或設備） ，常因過放電導致電池提前報廢而造成設備故障.根據電池電壓隨容量變化的規律，利用電壓比較器和電壓基準源設計製作了電池放電保護電路，當電池放電量接近容量的50 %時，啟動預警信號；當電池放電量達到容量的80 %時，電路自動切斷負載，防止電池過度放電，延長電池壽命，保證系統（或設備）在供電恢復正常后能正常運行
  3. 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性和可靠性，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長期處于工作狀態，往往由於設備散熱條件不好、設備老化故障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。
  4. In addition, according to the safety requirements of underground electrical equipment, the fault characteristics and protection principle of asynchronous motors with single speed or double speed used in underground are simultaneously analyzed, the function parameters corresponding to the fault protection for high capacity motors are determined. at the same time, module program design method and compiled monitoring program and function subprogram are emphatically described. especially, more attention is paid to the design philosophy, operation principle, hardware block diagram and software flow chart of mcs

    根據礦井生產要求，分析了異步電動機的各種故障特徵和保護原理，確立了每種故障保護的動作指標；設計了主控制板的硬體電路；根據結構化程序的設計方法，設計了監控程序和各功能模塊程序；並且分析了工業生產環境存在的干擾源及所產生干擾信號的特徵，針對不同特徵的干擾信號，制定了相應的硬體、軟體抗干擾措施。
  5. Alarm systems - intrusion systems - part 6 : power supplies ; german version en 50131 - 6 : 1997 corrigendum 1998

    報警設備.故障信號設備.第6部分:電源
  6. The principle of the fault distance measurement for small current grounding system by injecting dual frequency signal are discussed from many aspects such as the method and the characteristic of the signal, the test of the signal, the method of the line select, the algorithm of the fault distance measurement, and the method of the fault location, etc. the task adopts this kind of principle, in which the signal injection is completed by the coupling between the power source and the pt

    在詳細地說明以上三種測距演算法的基本原理后，分析各種演算法的優缺點，從注入信號的方法、特徵，注入信號的檢測，接地選線的方法，故障測距的演算法，及故障定位的方法等多個方面，論述了本課題採用的應用於小電流接地系統的雙頻信號注入式測距原理。其中，信號的注入由功率源通過電壓互感器（ pt ）耦合來完成。
  7. Through research on principle and approach, this paper puts forward three new methods in power cable fault location. the first method is based on wavelet reconstruction, and the measured signal which is the difference between the faulty and sound phase current under the high voltage pulse excitation, is transformed using wavelet, and the high frequency component is reconstructed at single scale

    基於小波重構的電纜故障測距方法採用脈沖電源作用下故障相與健全相的電流差作為測量信號，利用小波變換對其作多尺度分解，然後對信號在高頻下進行單支重構。
  8. The rtmaad system was integrated with digital signal processing ( dsp ), global information system ( cis ), optic time domain reflective ( otdr ) meter technology, wave division multiplexing ( wdm ) technology, etc. the rtmaad system made a realization that optical cable " s abort is auto located exactly. at the same time, the rtmaad system can monitor and diagnose both the optical terminal " s fault and power " s error of the stations of the fiber optical transmission network

    Rtmaad系統綜合應用了數字信號處理、地理信息系統、光時域反射測量和波分復用等技術，實現了光纜中斷故障的自動準確定位，同時將光纖系統傳輸站的光端設備和電源設備的監測融合到一起進行故障實時監測和診斷。
  9. 5. the application of the system into broken - down signal - detected project of intermediate frequency switch electrical source and getting the satisfied achievement

    將該系統應用於中頻開關電源的故障信號檢測項目中，並取得了很好的效果。
  10. A model of an 110kv three - phase network is established by matlab / simulink spsfirstly, and the disturbance of harmonic in power system is simulated by a type - ss1electric locomotive in this model. secondly, kinds of short faults are analyzed, thestable and transient voltage waves are obtained. then, a de - noising method is presented, which is based on wavelet packettransform and has better resolution in time and frequency domain

    首先利用matlab / simulink電力系統工具箱中的模塊建立了一個110kv的三相輸電網路模擬模型，並以韶山1型電力機車為原型，實現對電網中主要諧波源的模擬;然後，對該輸電網路中多種短路故障進行了分析，並給出在穩態擾動和暫態擾動情況下的電壓擾動信號波形。
  11. This contact is normally closed, if an error occurs short - circuit at supply voltage -, sensor or signal cable of force transducer max. output signal exceeded problems with supply voltage the output opens

    但如果有錯誤供電電壓短路傳感器或力傳感裝置的信號線超出最大輸出電壓或者供電電源有故障發生時，觸點的輸出打開。
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