斷路電平 的英文怎麼說

中文拼音 [duànlùdiànpíng]
斷路電平 英文
break level
  • 斷 : Ⅰ動詞1 （分成段） break; snap 2 （斷絕;隔斷） break off; cut off; stop 3 （戒除） give up; abstai...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 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...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  1. The two - point to earth short fault may cause short currents whic h can lead to serious accident. so it is necessary to monitor the state of field windings of turbo - generator and detect the kind of fault and predict its inclination. thus the security level of power system will be improved

    由於發電機轉子兩點接地故障時會產生較大的短路電流，導致惡性事故的發生，因此對發電機轉子繞組進行狀態監測，判斷短路故障的形式和趨勢是十分必要，有助於提高系統安全運行水平。
  2. In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical

    在硬體設計中，本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信，同時系統電路配置成中斷響應方式，這樣既滿足了系統要求，又充分利用了tms320f2812的硬體資源。在軟體設計中，本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。
  3. We are traveling by train. out the windows, we drink in the passing scene of cars on nearby highways, of children waving at a crossing, of cattle grazing on a distant hillside, of smoke pouring from a power plant, of row upon row of corn and wheat, of flatlands and valleys, of mountains and rolling hillsides, of city skylines and village halls

    乘著火車，我們領略著窗外流動的景色：附近高速公路上奔馳的汽車、十字路口處招手的孩童、遠山上吃草的牛群、源源不斷地從電廠排放出的煙塵、一片片的玉米和小麥、平原與山谷、群山與綿延的丘陵、天空映襯下城市的輪廓，以及鄉間的莊園宅第! 。
  4. With zhengzhou railway station, the largest railway hub station in china, the largest passenger bus transport center in henan province, namely, zhengzhou bus passenger transport station, jingguang bus passenger transport station, ermalu bus passenger transport station and railway long distance bus passenger station, this district has unique transport facility, and hosts the largest telecommunication and post hub in the central plains, with a daily average over 2000, 000 floating population, forming increasing stream of people, stream of materials, and stream of information in the central city zone, containing enormous commercial opportunity

    區內有全國最大的鐵路樞紐站鄭州火車站，河南最大的汽車客運中心鄭州汽車客運總站，京廣汽車客運總站、二馬路汽車客運站、火車站長途汽車客運站等，交通優勢得天獨厚；中原地區最大的電信、郵政樞紐也位於本轄區，日平均20多萬流動人口，形成了中心地區不斷增大的人流、物流、信息流，蘊藏著巨大的商機。
  5. In the last four years, under the guiding principle of “ appropriate leading development, overall and rolling type development ”, 43, 000 km2 of tidal marsh has been developed in the first phase of development and the infrastructure of water, electric power and road has been improved

    四年多來，按照「適度超前、整體配套、滾動開發」的原則，獨山港區完成了首期4 . 3平方公裏海塗地塊等基礎設施建設，並不斷完善水電路等基礎配套。
  6. In the last four years, under the guiding principle of “ appropriate leading development, overall and rolling type development ”, 43, 000 km2 ( 4. 3km2 ) of tidal marsh has been developed in the first phase of development and the infrastructure of water, electric power and road has been improved

    四年多來，按照「適度超前、整體配套、滾動開發」的原則，獨山港區完成了首期4 . 3平方公裏海塗地塊等基礎設施建設，並不斷完善水電路等基礎配套。
  7. Venezuela hoped to expand cooperation in energy, railway construction, telecommunications, agriculture, tourism, culture and education, and develop the bilateral high - level mixed committee into an important platform for enhancing cooperation, chavez said

    查韋斯表示，委方希望與中方進一步發展在能源、鐵路建設、電信、農業、旅遊、文教等領域的合作，並把委中高級混合委員會建成不斷推進雙邊關系發展的重要平臺。
  8. During the infrared failure circuit detection system is diagnosing the electronic equipment, because the time and the place are different between the infrared thermal imaging device is diagnosing the standard electric circuit board and the infrared thermal imaging device is diagnosing the failure electric circuit board, the position of their infrared thermal image will take place the relative changing ( for example translation or revolves )

    在紅外電路故障診斷系統對電子設備診斷時，由於紅外熱像儀對標準電路板進行檢測的時間與地點和紅外熱像儀對故障電路板進行檢測的時間與地點的不同，導致它們的紅外熱像圖的位置會發生相對改變（如平移或旋轉） 。
  9. Ac high - voltage generator circuit breakers rated on a symmetrical current basis

    基於平衡電流的交流高壓發電機斷路器
  10. A novel measurement and control system ( mcs ) used in hv flameproof switchgear has been established based on the 80c196kb single - chip microprocessor, by which electrical faults such as short circuit, over - load, over - voltage, open circuit, earth leakage and so on can be automatically distinguished and processed, and with the exception of this, the insulation degree of the double screen cables is monitored on - line. the operating condition and fault parameters can be displayed in turn with liquid crystal display

    該系統能自動判斷短路、過載、過壓、欠壓、漏電等故障，並對高壓電纜的絕緣水平進行實時監測，大屏幕液晶顯示器實現了電太原理工大學碩士學位論文網參數的輪流顯示，通過撥碼盤輸入系統各項整定參數，真正實現了保護系統數字化。
  11. According to the rule of mine safety regulations, an intrinsically safe pilot circuit with perfect performance for underground motor intelligent protective systems is put forward, which can effectively avoid the phenomenon of self - starting that is caused by the earthing of control lines before starting motors, at the same time, can reliably cut off the switches to ensure the safety of underground production under operation condition no matter what the faults of short circuit, open circuit and earthing in the control circuits happened

    根據煤礦安全規程規定設計了性能完善的本質安全型先導電路，起動前它能有效地防止因控制線接地造成自起動現象的發生，而且在運行中無論控制線發生短路、斷線還是接地故障，它均能可靠跳閘，確保生產的安全，該先導電路的性能指標達到了國內領先水平。
  12. It has been verified by simulation tests that the symmetric short - circuit protection can not only avoid the starting current but also achieve higher sensibility ; unbalance protection can distinguish unbalance short - circuit and loss of phase. the operation parameters of other protective functions has all reached the design requirements

    短路保護既能躲過起動電流，又有較高的靈敏度；不平衡保護，能準確區分不對稱短路和斷相故障；其它保護功能的動作指標均達到了設計要求。
  13. 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
  14. On the one hand, the receiver must be self - adaptive to set as fast as possible the " 0 " and " 1 " bit level judgement threshold in a dynamic way ; on the other hand, the transmitter of onu should take some measures to minimize and compensate for the burst delay. the optical burst transmission circuit is thus required to switch on and off the laser in a snappy way to ensure fast signal sending. in that sense, the laser must be designed with a superb response speed

    一方面，接收機必須具有自適應功能，能以最快的速度動態調定" 0 " 、 " 1 "比特電平判決門限；另一方面， onu的發射機應該採取-定的措施減小和補償突發時延，其光突發發送電路要求能夠非常快速地開啟和關斷激光器，迅速發送信號，所以，它需要使用響應速度很快的激光器。
  15. As a result of the international advanced technology and detection means so that the test - bed habitat leading domestic level, can be quickly and easily, and visual on the domestic and import cars ignition system, the charge of the starting circuit, speakers circuit, lighting system, signal lines, electronic ignition components such as testing, inspection and adjustment, can also check the work of a car engine, engine fault diagnosis of the reason that test bed is the experimental large automobile repair shop, the second category repair shop and car essential for the use of the transport sector detection equipment, by all parts of the country auto repair trade management departments welcomed

    由於採用了國際上先進的技術和檢測手段，使本實驗臺居國內領先水平，可以快速方便，直觀的對國產、進口車的點火系、充電系起動電路、喇叭電路、燈光系、信號線路、電子點火組件等進行試驗、檢查和調整，還可以檢查汽車發動機的工作情況，診斷發動機故障的原因，所以本實驗臺是汽車大修廠、二類修理廠和汽車使用運輸部門必不可少的檢測儀器，深受全國各地汽車修理行業管理部門的歡迎。
  16. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型，在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理，採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹，詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究，包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時，選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量，解決了扇區切換時的矢量突變問題。
  17. Rating structure for ac high - voltage circuit breakers rated on an symmetrical current basis - amendment 1 : capacitance current switching

    基於平衡電流的交流高壓斷路器的額定結構.修改件1 :電容電流開關
  18. Methods for the measurement of sound pressure levels of ac power circuit breakers

    交流電源斷路器聲壓電平的測量方法
  19. Along with the expanding power network, the fault current has increased greatly. it will bring hidden troubles to the security, stability, credibility of the power system, conventional current limiters gradually show their limitation and ca n ' t fit the request of high power quality

    隨著電網容量的不斷擴大，短路電流水平不斷提高，給系統的安全、穩定和可靠運行埋下了嚴重隱患，傳統的限流技術己逐漸顯現出局限性而越來越不能適應當今社會對電能質量上的高要求。
  20. 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
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