ac power supply 中文意思是什麼

ac power supply 解釋
交流電電源供應器
  • ac : ＝1 air controlman 美海軍航空兵的空中交通管制員。2 alternating current 【電學】交變電流，交流電。...
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  • supply : vt （ plied） 供給；供應；配給；補充，填補，彌補（不足、損失等）。 Cows supply us （with） milk ...
  1. Power supply comes with 4 built - in ac outlets, surge protected and breaker, automatic " turn - on " and " shut - down " function

    智能型電源供應器有4個內建的電源插座，防雷擊保護及過載保護，
  2. Skj ( jjw ) series of ac purifying regulated power supply, incorporating functions of regulation and auti - inter ference, designed and muters, xerox, video equipments, medical instrmments and other electr onicinstrmmerts and autocontrol systems for is wide vange of regulating, high precicion, quickacting, high effciency, small itcan restrain restrain sharp voltageand protect from moise of electric power net

    系列進精密凈化電源是當今國際上普遍採用的現代電源調節技術，配以大容量濾波器與集成化控制系統構成；它具有如下特點：可靠性好、效率高、優良的動（瞬）態，體積小、重量輕、噪音低、負載適應能力強；適用於對電源要求較高的儀器或設備。
  3. Di - on electrics service and products cover the power electric field including power generation transmission distribution, power equipment manufacturing, subway, utilites, ac dc metrology field as well, more than 500 units of electric power utilities and stations such as beijing power supply bureau, guangzhou power supply bureau, baosteel, three gorges power station and more manufacturers like siemens, abb, alstom, bicc, pirelii, toshiba and more and 30 units of metrology institutes in china like nim, tsinghua university and more are our user. di - on electric is sole and exclusive distributor for numerous famous companies like transinor doble norway, measurements international canada, ndb canada, schuetz germany, aan germany, dr. strauss germany and etc, taking care of their business and service in p. r. china including hongkong

    絕大多數員工擁有本科和研究生以上學歷，在電力系統和計量系統工作多年，從事電力檢測帶電監測和計量測試儀器的技術服務和市場銷售工作長達10年以上，為約500多家電力工業系統的發供電部門如北京供電局，廣州電力局，深圳供電局，三峽電廠，廣州抽水蓄能電廠，田灣核電站等等，科研調試部門如廣東省電力試驗研究所，湖北省電力試驗研究所等等與設備生產廠如siemens ， abb ， alstom ， toshiba等等提供了國際最先進可靠的測試技術和儀器設備為約30多家國內二級以上相關計量科研院所，包括國家計量院，清華大學，中國運載火箭研究院，空間技術研究院，航天二院，成飛，西飛和各省市計量院，電力試驗研究院所等提供了大量最先進可靠的計量檢測儀器。
  4. The conventional switching power supply usually use a diode rectifier followed by a bulk capacitor to convert ac voltage to dc voltage, resulting in the pulsating waveform of the input ac line current, low power factor ( generally 0. 65 ) and high harmonic line current

    傳統的開關電源設備通常採用二極體橋來進行整流和一個較大的電解電容來進行濾波以實現輸入電壓的交直流轉換，導致輸入電流為一個很窄的脈沖波並含有較多的諧波分量，功率因數變低（通常只有0 . 65 ） 。
  5. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時，基於電網平衡為約束條件設計的三相vsr將出現不正常運行狀態，比如三相vsr交流電流中出現負序分量，使交流電流嚴重不對稱；直流電壓和交流電流中出現非特徵諧波分量，使直流電壓和交流電流波形發生嚴重畸變；三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  6. P. s. ： the power supply shall be tested at max. ac voltage ( 264vac ) and min

    應該在最大交流輸入電壓264伏和輕載、空載下測試。
  7. Note 1 : for outline dimension 4848 instrument, only can select alarm 1 alarm 2 transmitting 485 communication feed function, can not more than 2 ; for example : selects up limit alarm down limit alarm, alarm communication, alarm transmitting etc. ; transmitting and feed cannot be selected at the same time ; no double screen display ; no 2226 v ac - dc power supply

    注1 :外形尺寸4848儀表，只能選擇報警1報警2變送485通訊饋電功能，不能多於2個以上;例:選擇上限報警下限報警報警通訊報警變送等變送和饋電不能同時選擇無雙屏顯示無22 26 v交直流電源供電。
  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. A set of ac power - supply circuits ( usually three ) carrying currents of equal frequency with uniformly - spaced phase differences

    一組頻率相同，相位彼此相差均勻的交流供電電路（一般是三相） 。
  13. Ac link is fully verified by the simulation and the pricinple test. this kind of converter lay the key technical foundation on new type electronic transformer, regulated sinusoidal ac power supply, ac regulator

    220v 10 （ 50hz ） 220v （ 50hz ）單極性移相控制電壓源高頻交流環節ac ac變換器的模擬與原理試驗證實了這類變換器新概念的正確性與先進性。
  14. The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation. simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, no audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer, ac regulator, and wave converter etc

    試驗表明，這類變換器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換（ lfac hfac lfac ） 、功率密度高、雙向功率流、無音頻噪音、變換效率高、網側功率因數高等優點。為新一代正弦交流穩壓器、電子變壓器、交流調壓器、同頻波形變換器的實現奠定了關鍵技術基礎。
  15. It is designed for desk - top usage and has a front loading system and a built - in ac power supply

    它是為在桌面使用而設計的並且使用前面裝載系統和一內置ac電源
  16. Do not staple or otherwise attach the ac power supply cord to building surface

    不要把交流電源線固定或附於建築物的表面。
  17. Universal ac power supply voltage ac100 240v without grounding safe - ss save safety terminals

    國際通用ac電源電壓ac100 240v無需接地採用安全型ss save safety端子。
  18. When a new clean ac power supply is designed, it is very necessary to know the relationship between the equivalent induction and the thyristor turn - on angle

    在設計新型交流凈化電源時，掌握等效電感和雙向晶閘管延遲導通角之間的關系很重要。
  19. Transferred to ac power supply for overload. due to the change of normal power supply mode t o battery mode is most depends on the relay, it need time ; furthermore, the inverter s start also need

    W系列后備式ups系專為pc機用戶設計的，其具有體積小重量輕效率高等特點，是家庭和辦公理想的實用機型。
  20. The origin and evolvement of cuk converter are introduced and the voltage and current waveforms of every period are analyzed and presented. the state differential equations of ideal cuk converter are deduced and the simulation models of ideal cuk converter, ac power supply and pulse width modulator ( pwm ) are erected

    論文介紹了cuk型dc / dc變換器由來、演變；分析了各個環節、期間的電壓、電流的變化情況及波形；推導了理想cuk變換器的狀態方程；建立了cuk主電路以及相關交流電源、脈沖寬度調制器的simulink模擬模型。
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