phase switch 中文意思是什麼

phase switch 解釋
相位開關
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • switch : n 1 (樹上折下的)細樹枝;軟鞭子;鞭打。2 假發;(尾巴上的)毛簇。3 〈美國〉【鐵道】道岔扳子,軌...
  1. Do not forget to link up the phase indicator ( undercurrent relay ) and maximum relay when allocate the power switch

    風機安置電源開關時,必須安置電源缺相保護或熱繼電器。
  2. A three - phase single - switch fly - back rectifier with lossless isolated snubber

    帶隔離型無損緩沖的三相單開關反激式整流器
  3. A novel bi - directional dc / dc converter was introduced in the dissertation, which based on refer much converter data. the soft switching, phase - shifted pwm and bi - directional dc / dc converter hang together, depress circuit switch ullage and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same, the converter have the virtue of structure compact, voltage and current stress small etc such as ordinary hard switch converter

    本文作者在查閱國內外大量雙向dc dc變換器資料的基礎上,採用一種新型雙向dc dc變換器的拓撲結構,把軟開關技術和移相控制pwm技術以及雙向dc dc變換器技術有機結合在一起,有效地降低了電路的開關損耗和開關噪聲,為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件。
  4. The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter

    該變換器把軟開關技術和相移控制pwm技術以及雙向dc - dc變換器技術有機結合在一起,有效地降低了電路的開關損耗和開關噪聲,為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件;同時,能拓寬零電壓開關的范圍,使變換器在較寬的負載變化范圍內都能實現軟開關。
  5. High / low pressure switch, anti - frost protector, solube chock, overload protector, coil overheat protector, automatic temperature sensitive switch, anti - phase protector

    高低壓開關,防凍開關,可熔栓,過載保護裝置,線圈過熱保護器,溫度自動開關,逆相保護器。
  6. In case that coal process system in power plant is lack of certain process, and while timber block, big coal block, stone, sack or metallic block and relevant foreign matter easily clog out belt and make motor overloaded, this sets up overload protection in electric control system, and this sets up overload protection in frequency inverter setup program ; in addition, this sets up branch breaker and switch up power supply in case of lack of phase or overload

    若電廠燃煤處理處理系統缺少某些環節,木塊、大煤塊、石塊、草袋、金屬塊等雜物,容易卡死皮帶,使電機過載,因此在電氣控制系統中設有熱過載保護,變頻器設定程序中設有過載保護;另外設有支路斷路器,在過載缺相情況下,切斷電源。
  7. The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on

    本文首先回顧了濾波器設計的國內外研究背景和現狀,介紹了本課題提出的意義以及本文的主要工作,論述了開關電容網路原理和基本開關模塊,分析了開關電容濾波器設計的相關因素:電路結構的選擇,對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮,開關的打開電阻對電路的影響,開關電容電路中怎樣減少電荷注入和時鐘饋通,以及整個電路的功耗問題和采樣頻率的選擇等。
  8. Three phase ac reactive power display control instrument ; single screen digital display ; outline dimension 16080mm ; no communication interface ; no transmit output ; three - phase four - wire system connection mode, high limit alarm low limit alarm ; switch power supply ; input voltage 0380v ; input current 05a, display reactive power 0114. 0k var

    三相交流無功功率顯示控制儀:單屏數字顯示外形尺寸16080無通訊介面無變送輸出三相四線制接線方式,上限報警下限報警開關電源供電輸入電壓0 380v ,輸入電流0 5a ,顯示無功功率0 114 . 0kvar ,
  9. Three phase ac active power display control instrument ; single screen digital display ; outline dimension 16080mm ; no communication interface ; no transmit output ; three - phase four - wire system connection mode ; high limit alarm low limit alarm ; switch power supply ; input voltage 0380v ; input current 05a ; display active power 0114. 0kw. 2. wp - le3q - c2004hlt 380v 380v, 100a 5a

    三相交流有功功率顯示控制儀單屏數字顯示外形尺寸16080無通訊介面無變送輸出三相四線制接線方式;上限報警下限報警開關電源供電,輸入電壓0 380v ;輸入電流0 5a ;顯示有功功率0 114 . 0k w 。
  10. Ac tri - phase active electric energy display control instrument ; double screen digital display ; outline dimension 16080 mm ; no communication interface ; no transmit output ; tri - phase four - wire connection mode ; high limit alarm lower limit alarm ; switch power supply ; input voltage signal 0 100v ; input current signal 05a ; active power display 0120. 0 kw, active electric energy display 099999999999999 kwh. 1

    交流三相有功電能顯示控制儀雙屏數字顯示外形尺寸16080無通訊介面無變送輸出三相四線制接線方式上限報警下限報警開關電源供電輸入電壓信號0 100v輸入電流信號0 5a有功功率顯示0 120 . 0kw ,有功電能顯示0 9999999999999kwh 。
  11. Ac tri - phase reactive electric energy display control instrument ; double screen digital display ; outline dimension 16080 mm ; no communication interface ; no transmit output ; tri - phase four - wire system ; high limit alarm lower limit alarm ; switch power supply ; input voltage signal 0380v ; input current signal 05a ; reactive power display 0114. 0kw active electric energy display 09999999999999kwh

    交流三相無功電能顯示控制儀雙屏數字顯示外形尺寸16080 ;無通訊介面無變送輸出三相四線制上限報警下限報警開關電源供電輸入電壓信號0 380v輸入電流信號0 5a無功功率顯示0 114 . 0kw ;有功電能顯示0 9999999999999kwh 。
  12. There are at least three different functions groups of muscles controled by different nerves inside and outside prostate, which exert function of switch for ducts strobe in phase each other

    3組功能不同的肌群在各種不同神經的支配下,相互協調地發揮開關這些管道「閘門」的作用。
  13. Abstract : by employing the concept of photon flux, the evolution of the phase and photon flux in the eigenmode state in three - wave mixing, and the requirements for the initial phase and photon flux in this state, are studied in the paper. a special state in which there are only exchanges of the photon flux but no phase variations in the three - wave mixing process is investigated. an all - optical switch based on the eigenmode pushpull nonlinear - optical - mirror is presented, and the properties of this all - optical switch are numerically calculated. the numerical results show that the performance stability is extremely good, and the intensity and phase of the output signal beams can be easily realized and controlled

    文摘:利用光子流概念研究了三波混頻中本徵模狀態的相位和光子流的變化,以及該狀態對光波的初始相位和初始光子流的要求,研究了三波混頻中只有光子流的交換卻沒有相位變化的特殊狀態,提出了本徵模狀態推拉式非線性光環鏡的全光開關,並數值計算了這種全光開關的性能,數值結果表明,該光開關的性能穩定性好,並且易於實現和控制輸出信號光的光強及相位
  14. 4. we use the fuzzy neural networks ( fnn ) theory to solve the real time region traffic distributed control problem. at each intersection, we set an intelligent controller which dynamicly manages phase sequences, phase switch, signal cycle and split

    每個交叉口設置一個模糊控制器,該控制器根據它自己和相鄰交叉口的交通流信息對相序、相位切浙江大學博士學位論文換、信號周期和綠信比進行動態管理。
  15. Based on comparison of several motor candidates, doubly salient permanent magnet ( dspm ) motor is a good choice for it ’ s outstanding performance. similar to conventional drive system, dspm brushless dc motor ( dspm - bldcm ) is composed of dspm motor and it ’ s controller. the controller is made up of three - phase full - bridge inverter, driver, dsp control unit and etc. for high power system, every switch of three - phase inverter is actually made up of four mosfets in parallel

    在充分考慮國內外不同的液壓泵電動機的基礎上,本文選用了雙凸極永磁電機作為整個系統的電機本體,並配以電動機控制器(控制器包括三相橋式功率變換器、驅動電路、 dsp主控單元、電流采樣及預處理和位置采樣及預處理等主要部分)組成整個液壓泵電動機系統。
  16. Meter box is a distribution box for single - phase and three - phase watt - hour meter, its inner electric switch components adopt modular switch, it is used for distribution systems in civil building, industrial and mining enterprise, as well as aloft operation power grid

    電表箱是一種安裝單相與三相電度表配電箱,內部電器開關元件全部選用模數開關,主要用於民間建築、工礦企業、高業網配電系統。
  17. Co - movement to the impinger and the switch, one phase is in failure and three phases cut off at the same time

    配置的撞擊器能量可配合開關脫扣機構動作,達到一相出故障,三相可同時斷開,避免缺相運轉。
  18. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線,以及非共線類相位匹配調諧曲線;分析了走離角對非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。
  19. Tri - phase ac current display control instrument ; three screens digital display ; outline dimension 80160mm ; rs - 485 standard serial communication ; tri - phase high limit alarm ; switch power supply ; input current 05a ; display 0100a

    三相交流電流顯示控制儀:三屏數字顯示外形尺寸80160 rs - 485標準串列通訊三相上限報警開關電源供電輸入電流05a ,顯示0100a 。
  20. Door of heaven " ceiling lamp features a four - phase switch soft night light, warm - toned double night lamp, night lamp plus daylight lamp, and brilliant daylight lamp, providing a variety of light intensities appropriate for different circumstances

    造型非常獨特,四段式的開關設計包括:朦朧的小夜燈溫馨的雙層小夜燈小夜燈日光燈明亮的日光燈,可供您依不同的需要選擇適合的光線亮度。
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