現場電源 的英文怎麼說

中文拼音 [xiànchǎngdiànyuán]
現場電源 英文
field power supply
  • 現 : Ⅰ名詞1 （現在; 此刻） present; now; current; existing 2 （現款） cash; ready money Ⅱ副詞（臨時; ...
  • 場 : 場Ⅰ名詞1 （平坦的空地 多用來翻曬糧食 碾軋穀物） a level open space; threshing ground 2 [方言] （...
  • 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
  • 現場 : 1. （出事地點） scene 2. （工作地點） site; spot; on-site; work field
  • 電源 : source; current source; electric source; power pack; power supply; power source; source of power ...
  1. Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively

    高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外，與驅動電壓、驅動電路的設計密切相關，本文通過分析，首先開發出一種高低壓驅動電路，高壓電源是山升壓式dc - dc原理獲取的，低壓由蓄電池本身提供，實現高壓強激和低壓維持的功能，電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流，加誣了電磁閥的關閉速度；採用自舉吐路，降低了場效應管對驅動電壓的要求。
  2. W factere w the work of strengthen the security of the enterprise information mp to be the highest priority, the whcle enthely analyses all ldnds of security problems tha a intemal netwrk of stock compan may risk thtough rystematic view. it gives out sollltions fbr the crst systffo wt on wtg, operating systeln, taling system, tu1ti - vinrs, beckalp, secwity edce and physical settings

    在此基礎上，對公司現有系統作出了系統化的安全方案，包括應用防火墻技術、 vlav技術和windows2000 ）系統的安全機製作出的網路和系統平臺，防病毒和系統備份方案，根據公司中心機房建設的規模，以及中心機房所在地的現場條件，分別就空調系統、后備電源系統、防雷擊和系統監控給出實施方案。
  3. Protective devices in the on - site power source circuits at the generator shall allow instantaneous pick - up of the full pump room load

    發電機現場電源電路中的保護裝置應能瞬時獲得全泵房負荷？
  4. Make all field connections to the remote alarm functions and any other optional features. do not connect ac power

    進行所有遠程警報功能和任何其它選擇功能的現場連接。不要連接交流電源。
  5. Pull all wires necessary for field connections, remote alarm functions, ac power and all other optional features

    拉出所有用於現場連接、遠程警報功能、交流電源和所有其它選擇功能所必需連接的電纜。
  6. Abstract : it is an efficient method that realizing the contro l circuit of a power source system with fplds ( field programmable logic devices )

    文摘:使用現場可編程邏輯器件實現各種電源控制電路是一種非常有效的設計方法。
  7. The series genrating set combination of single and three phase brushless generator 、 control panel 、 common base produced by liuzhou jiali electric manufacturing co. ltd and engine produced by nanning machine factory ( abbreviation : nanji ) 、 changzhou engine co. ltd ( abbreviation : changfa ), which appears small size 、 light in weight 、 easy to start 、 low in fuel consumption and noise production with stale voltage and frequency output. it is an ideal power supply for banks 、 post office 、 public places of entertainment 、 households and pasturelands, so on

    本系列機組由柳州佳力電力電工有限責任公司生產的單相無刷發電機、控制箱及公共底座與南寧機械廠（簡稱南機） 、常發集團（簡稱常發）等柴油機廠生產的柴油機組成，具有穩定的電壓和頻率輸出及體積小、重量輕、啟動方便、油耗低、噪音低等特點，充分地體現了高性能、高質量發電機所應具備的要素，是銀行、郵局、娛樂場所、家庭及牧場等的理想電源。
  8. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  9. Plc, robot and cad / cam are called the three major pillars in the modem factory automation. plc, as the head of the three, has become the leading basic automatic equipment in the field of the industry control in the early 1980s " but as a matter of fact, plc being with the lack of friendly man machine interface, rnakes no close relationship between human and machineometimes it even can not be promoted and applied in some fields aiming at the situation mat those imported products are too expensive while domestic products are of rare famous brands, a plc man - machine interface - plc monitor is developedthis paper systemically introduces the developing procedure for the whole system, including how to design hardware and software system. especially emphasizing plc communication protocol. real time message accessing, lcd controller instruction set, definition of data construction for message & tag screens and how to display thern, assignment of internal resource of cpuealization in software among plc & manitor, file format defining a nd download of user data, etcplc monitor will compensate some weakpoints of plc, and extend the application rangeimultanneously enhance the performance of plc and increase the attached value of mechanical machines, undoubtedly it will see hight market prospect

    針對人機界面進口產品的高昂價格和國產品牌稀少的這一現狀，研製開發了一種plc人機界面? plc監控器。本文系統地介紹了整個系統的開發過程，包括硬體系統、軟體系統的設計及實現，重點介紹了plc通信協議，監控器的基本工作原理以及期望實現的功能，監控器電源電路、 sram存儲器掉電保護電路、 cpu監控器電路、按鍵輸入電路的設計及按鍵狀態的讀入，時鐘信息的設定與讀取， cpu液晶顯示器指令系統，信息畫面及標簽數據結構的定義及顯示方法， cpu內部資源的分配，監控器與plc通信的軟體實現，文件格式的定義以及畫面數據的下載等。 plc監控器彌補了plc一些方面的不足，可以擴大plc的應用范圍，提升機械設備的檔次，增加設備的附加價值，具有一定的市場前景。
  10. Development of site control unit for 90 mw thyristor rectifier supply

    晶閘管整流電源現場控制單元研製
  11. Electric ac power supplied by the electric company for the broadcasting equipment both at ibc and venues. in case of trouble it is automatically switched to the power from the generators or ups

    場館和ibc設備使用的交流電，如果出現故障，會自動切換到自備發電機或緊急備用電源。
  12. The foxboro dcs is regarded as main reference object, it does n ' t same as the traditional simulator. the logic protect and control are separated from model and the configuration control system be exploited in the paper. and the configuration of logic protect and control is operatised at operation station administration system, not to be added into model, not to build control sound code also

    其邏輯保護和控制部分的組態在操作站管理系統進行，不用加入模型，也不用生成控制源代碼，因此很自然的就實現了在線調整、實時控制等類同於實際現場的模式。在本課題中，控制、邏輯保護和電氣邏輯模擬軟體主要包含熱工控制中一些常用的代數和邏輯運算。
  13. According to the standard of can agreement the message agreement for the system has been designed. whose design thinking and its realizing way of the three kernel parts ( can kard ^ can oriented object and field communicatioan interface moudule ) in the system have been given. it is applied by the oriented subject technigue, and through the analyses of ststic characteristic, and dynamic characteristic of the equipment, the configuration tool category has been gotten to complete the configuration to equipment

    系統通過傳輸介質把監控中心和現場通信介面模塊掛接在can總線上，組成一個控制器局域網路，從而實現對各種在線通信電源設備的分散控制、統一管理；根據can協議的規范設計了系統的通信協議，給出了系統中三大核心部分（ can適配卡、 can中繼器和現場通信介面模塊）的設計思路和實現方式，並給出了相關硬體電路的結構框圖以及軟體設計流程圖；運用面向對象技術，通過對設備的靜態特徵和動態特徵的分析，得到其組態工具- -類，完成對設備的組態。
  14. This paper introduce, now in electrical system, the high - voltage tests include part - charge test for transformer, ac withstand voltage test for transformer, ac withstand voltage test for switch, ac withstand voltage test for hv cable, when the tests is on, the power sup - - ply will be too poor

    文中就當前電力系統中的一些現場高壓測試所面臨的試驗電源問題，這些試驗包括變壓器的局部放電和交流耐壓試驗、高壓開關、高壓交聯電纜、 gis等的交流耐壓試驗，提出採用新型變頻電源對高壓設備進行測試。
  15. In addition, in case of a power failure the trolley bus driver could simply lower the booms and drive the bus using the electrical power generated by his on - board, diesel apu

    另外，倘若途中電源中斷，車長只須按掣將電桿離纜，再開啟柴油的輔助引擎，便可駛離現場。
  16. The power supply module is made of sg3525a, which supply current for pipeline cp. the data collection module is made up of single chip, which collect the nature eroding voltage, protection voltage and current on the spot and transport these data to pc by com. pc constitutes master control module, which inspects work state of the whole cp system, control the system start and exit, display data out of the single chip

    本系統採用sg3525a晶元構成開關電源模塊，提供管線陰極保護電流；採用單片機系統做為數據採集模塊，採集管線現場自然腐蝕電位、保護電位、保護電流等數據，並把採集的數據通過串列口送往pc機； pc機為主控模塊監控整個電源系統的工作狀態，控制整個模塊的投入和退出，完成人機對話；利用顯示器顯示系統輸出電壓、電流。
  17. The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back

    勵磁電源結合步進電機原理與脈寬調制技術，選用智能功率模塊ipm作為逆變開關器件，輸出交流脈沖勵磁信號，以調節勵磁轉換頻率和勵磁電流大小為手段，實現對磁場旋轉頻率和磁場強度大小的有效調節，並通過閉環反饋實現閉環恆流控制。
  18. The conventional connection circuit as the figure shows for two - wired transmitter : handhold terminal palm computer and external communication interface or mainframe communication circuit cannot directly bridges in the ends of power source. but may either meet on field ends a and b or meet on the ends of load resistance b and c. in the above - mentioned case, the circuit are supplied by power source

    對兩線制變送器來說，傳統的連接電路如圖所示：手持終端掌上電腦和外接通訊介面或主機通訊電路不能直接跨接在電源兩端，但既可接于現場兩端a ， b上，也可接在負載電阻兩端b ， c ，兩種情況下，電路都要通過電源來供電， hart規范允許負載電阻為2301100 。
  19. Shindengen has grown to become a comprehensive manufacturer with a unique capability for integrating the development of power conversion technologies. we have been able to fill the diverse needs of our customers by strengthening existing capabilities as well as by exploring new creative and innovative technologies

    新電元工業作為能夠進行電源技術的綜合開發、一貫性開發的綜合生產廠家，一直在致力於挖潛現有技術，開發獨特的、具有革新性的技術，以滿足市場的需要。
  20. The power supervision module and the inverter modules consists a control network through can bus. all information is transmitted through the can bus

    電源監控模塊和逆變電源模塊通過can總線組威現場控制網路，有關的數據信息在總線上交換。
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