次電源 的英文怎麼說

中文拼音 [cìdiànyuán]
次電源 英文
secondary source
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 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
  • 電源 : source; current source; electric source; power pack; power supply; power source; source of power ...
  1. The performance of the static inverter has become more and more important since it is a basilic part of secondary power source in airplane which ensures the electron devices to work normally

    作為飛機二次電源重要組成部分之一的靜止變流器，是保證用電設備正常工作的基礎，其性能的重要性也越來越突出。
  2. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次，針對acem系統特有的「電源諧波」特性，深入分析了濾波器方案，得到了一種適用於acem系統諧波抑制的串聯混合型有源電力濾波器優化拓撲結構，並採用了pwm調制技術、中頻注入變壓器和磁勢補償原理有效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。
  3. Photoflash sources - determination of guide numbers and output data

    閃光燈電源.閃光次數和輸出數據的測定
  4. The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    圍繞這一工作核心，作者完成了以下幾項工作： （ 1 ）以實現寬量程電流互感器為目標，提出了基於bang - bang控制的有源補償方法，採用雙級電流互感器，將復雜的狀態控制分量轉化為偏差控制，該方法結構簡單，調試方便，有源補償器輸出電流小，可以將0 . 2級的電流互感器經過補償后提高到一次電流從額定值的2變化到120時，測量誤差不超過一次電流額定值100時準確度為0 . 1級的測量標準。
  5. A detailed statement is made of the feo - the most important material for making feo magnetic material - its developing period, preparation and utilization and the feo problems existing in the metallurgical indus - try in china, a deep research is carried on a series of problems such as the adjustment of panzhihua iron and steel ( group ) cmpany industrial structure, the iron and steel industrial saturation, developing the non - steel industry, how to make use of the second resource of the large amount of feq scale, building the magnetic material industry to fill in the gaps in the field of magnetic material in panzhihua iron and steel ( group ) cmpany

    論文首先闡述了磁性材料在國內外的發展動態及其在電子工業中應用的重要性，對鐵氧體磁性材料最重要的原料?氧化鐵的發展階段、制備方法、利用狀況以及中國冶金行業氧化鐵存在的問題進行了較詳盡的闡述，特別圍繞攀鋼產業結構調整、鋼鐵產業飽和、發展非鋼產業、如何利用大量氧化鐵鱗等二次資源，開發建設磁性材料產業，填補攀鋼磁性材料空白等一系列問題進行深入研究。
  6. Function of count : the machine can count of the sealing number. ( after turn off the power and restart the machine the number will come back zero

    封杯計數功能：電源接通狀態下，手柄每壓下封杯一次，計數器就計數一次（關閉然後打開電源，計算器即清零） 。
  7. Few months ago, while our client asking us what is our ccd s led warranty ? our research and development of suntop s team have an inspiration : if we could let product automatically turn - on and turn off when it used or finished, then we could that machine s warranty more longer and operate more convenient. so, concept of 80sir was born

    百揚科技研發技術小組在一次偶然客戶提問我們產品led燈壽命的時候，忽然有個靈感：如果我們能夠讓產品不使用的時候自動切斷電源，要使用時一拿起來就自動開啟電源，那麼，就可以將機器的壽命更加延長而且操作也更加方便了
  8. Spintronic devices are easy on batteries, because spin - flipping operations consume very little power and the chips can shut off between operations

    自旋電子元件很容易用電池驅動，因為自旋反轉操作所消耗的能量極其微小，而且晶片在兩次運算之間可以停止供應電源。
  9. Which are higher than electric driven heat pump, gas boiler, coal boiler and electric boiler. the energy grade theory analysis results also show that the energy utilization of gehp is comparatively reasonable. exergy cost of gehp is 11. 2 yuan / gj by thermoeconomic method, which is much lower than the heating price nowadays

    對比發現，燃氣機熱泵的一次能源利用率和（火用）效率均高於電動熱泵、燃氣鍋爐、燃煤鍋爐和電鍋爐；對燃氣機熱泵系統的能級分析也表示系統的能量利用過程比較合理；通過熱經濟學的分析，得出燃氣機熱泵的供熱（火用）成本為11 . 2元gj ，這個價格與現行集中供熱的價格相比還是很有優勢的。
  10. Owners of premises having high voltage fixed installations that are fed directly from a high voltage supply are required to have their high voltage fixed electrical installations inspected, tested and certified at least once every year

    房產如設有由高壓電源直接供電的高壓固定電力裝置，則該房產的擁有人須安排該高壓固定電力裝置每年最少作一次檢查、測試及領取證明書。
  11. The optimization of secondary power supply system in substation

    變電所二次電源系統的優化
  12. In assembled power - supply mode, a majority of equipments are supplied with power together by the power electric chest

    在集中供電方式中，設計者將機載武器系統中各用電設備所需的二次電源集中到一起，成為電源電子箱。
  13. The modularity of the second power supply is important to the power system ' s performance

    本文研究dc dc二次電源的模塊化。
  14. This dissertation is devoted to theoretical study and engineering practice on dc / dc converter of secondary power supply in hvdc power system

    本文研究高壓直流電源系統中的二次電源dc dc變換器。
  15. Most of the aeronautic ground convert power system is controlled by analog or partial digital. it ' s very difficult to upgrade or maintenance

    在目前的航空地面二次電源系統中，大部分都是模擬電路控制或是部分數字電路控制的400hz逆變電源，系統的可維護性較差，系統升級困難。
  16. A 3kw prototype converter is built to verify the effectiveness of the improved converter and the best scheme for the blocking capacitor, and the experimental results are also included in this paper

    本文將改進型零電壓全橋變換器應用於高壓直流二次電源dc dc變換器中，研製出一臺3kw工程樣機，並給出實驗結果。
  17. There are two kinds of secondary power supply in high - voltage dc electric system, one is dc / dc converter that converts 270vdc to 28vdc, the other is static converter that converts 270vdc to 115vac / 400hz

    它的二次電源有兩種，一種是把270vdc變換為28vdc的直流變換器，另一種是把270vdc變換為115v 400hz交流電的靜止變流器。
  18. High - voltage dc ( hvdc ) aeronautical power system has the advantages such as low weight, easiness to realize redundancy, uninterruptible power supply and high power density, it has been attracting more and more attentions

    高壓直流航空電源系統具有電網重量輕、易於實現冗餘與不中斷供電以及二次電源功率密度高等特點，近年來成為國內外研究的熱點。
  19. Aeronautical static inverter ( asi ) is a kind of static converting device, which converts the dc ( 27v / 270v ) in the main power of aircraft into ac of constant - voltage and constant frequency by means of power semiconductor devices. with the development of the aircraft, all the electric equipment on the plane requires the power supply system with better performance

    航空靜止變流器（ asi ? aeronauticalstaticinverter ）是航空電源系統的二次電源，其作用是將飛機主電源直流電27v或270vdc變換成恆壓恆頻單相115v 400hz ，單相36v 400hz ，三相115v 200v ，或三相36v交流電，供飛機上負載使用。
  20. Double forward converter ( dfc ) has many advantages, such as inherent anti - break - though capability, auto clamping the switch voltage etc. regarding the excellent reliability, dfc is one the most widely used topology in the industrial applications, especially for low output voltage area, such as telecommunication energy systems and welding power supply

    雙管正激變換器具有內在抗橋臂直通的優點，能使開關管上的電壓自動箝位在輸入電源電壓。由於其可靠性高，電路設計簡單，因而成為目前在工業中應用最普遍的變換器結構之? ，特別是適合於輸出電壓較低應用場合，比如通信系統中的一次電源和弧焊電源。
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