ac power line 中文意思是什麼

ac power line 解釋
交流電源線
  • 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...
  • line : n 1 線；繩索；釣絲；測深度用繩，捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  1. A dead - line operation option permits using the batteries located in the control for operation of the recloser if ac input power is lost

    失壓線路方案在不能提供操作電源的情況下，控制器的內置的電池進行操作。
  2. The elements of the reduced - jacobian matrix are functions of some parameters of the system. for example, effective short ratio, power base ratio, coupling impedance and load flow of the system. for single - infeed hvdc system with a parallel ac line, computer simulations using power system analysis software package ( psasp ) were performed

    用一種簡單的方法可以求得降階雅可比矩陣，由於降階雅可比矩陣的元素都是交直流混合系統中一些參數的代數函數，如有效短路比、功率基準比、連接阻抗和系統潮流等，因此，矩陣的特徵值也與這些參數相關。
  3. Di - on electric one of the beijing hi - new - tech enterprise develop and manufacture lots of equipment like sf6 dewpoint meter dp100, cable fault location system cfl6000 and more. di - on electric supply the most advanced technology and equipment on such as gis surge arrestor on line monitoring, resistance measuring, ac dc metrology, thermal - temperature bridge, power transformer diagnostic and testing, cable diagnostic and fault location, sf6and oil moisture measuring, oil treatment and testing, optic fiber temperature monitoring, circuit breaker testing, relay testing and more

    迪揚電氣在gis和避雷器的帶電測試與故障診斷分析，電力電纜的故障定位與局放檢測，變壓器電抗器的各種測試診斷與溫度監測， sf6的水分測量與回收，絕緣油的測試分析與濾油處理，紅外測溫與光纖在線測溫，以及各種電阻測試與計量，溫度計量與電能計量等方面擁有世界一流的技術與成熟的儀器設備。
  4. With the increased use of hvdc transmission systems in power systems, situations have arisen and will be even more frequent in the future, where sigle - infeed hvdc system with a parallel ac line and several hvdc systems are located in close of each other

    隨著hvdc輸電系統在電力系統中投入越來越多，交直流並聯系統和多饋入hvdc系統正在逐漸增多。在這種情況下，交流系統和直流系統，不同的hvdc系統間都將存在相互作用。
  5. 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 ） 。
  6. Phascon technology introduced in this paper is to improve the outer operation parameters of ac motor, by on line detecting the motor phase angle between current and voltage to adjust the input supply voltage to the motor, to realize the flexible power management mode for ac motor, so as to increase the operation efficiency and reach energy - saving purpose

    本文闡述的相控技術是從改善電機外部運行參數入手，通過實時檢測電動機運行相位角來調整電機的輸入電壓和電流大小，實現柔性化能量管理模式，提高電機效率達到節電的目的。
  7. Purpose of the rectifier transformers is to operate with the ac / dc power converters connected to them, to adapt the power line voltage to the voltage required by the load but can ' t provide galvanic separation between load and power line

    整流變壓器的作用是連接到ac / dc電源轉換器上將電源側電壓轉換為負載所需電壓但不提供負載和電源之間的電隔離。
  8. The unified power flow controller ( upfc ) is one of the most enterprising realizations of the idea of flexible ac transmission system ( facts ). having the ability of controlling most of the basic power system parameters, upfc can flexibly adjust the real and reactive power through the transmission line, damp the oscillation, and enhance the stability of power system and so on

    統一潮流控制器（ upfc ）是靈活交流輸電系統中最有代表性的成員，具備控制多種電力系統參數的能力，因而可以靈活地調節線路有功和無功功率、阻尼系統振蕩、增強電力系統的穩定性和提高輸電線路的傳輸極限。
  9. The only access points for transients are via the ac or dc power line wires and all of the data and telcom signal wiring that enters and leaves the cabinet

    電涌的唯一進入通道是交流或直流電源線及所有進出金屬箱的數據線和信號線。
  10. The input of traditional ac - dc converter is diode - capacitance combined circuit. it ? input current wave presents pulse shape, and the power factor ( pf ) on ac line side is low

    傳統的ac ? dc開關變換器輸入端是二極體整流-濾波電容組合電路，其輸入電流波形呈脈沖狀，交流網側功率因數很低。
  11. In order to obtain three - phase four - line ac output, system applied the four - legged main circuit topology. with the 3d - svm, the power system realizes voltage regulation and three - phase four - line output. meanwhile, this kind of control is easy to be realized in the digital inverter

    為實現三相四線的交流輸出，變換器電路採取四橋臂新型拓撲，其控制採取了三維空間矢量調制，實現了變換器的在線調壓及輸出中點的形成，具有良好的動靜態性能，且這種控制思想可以方便地在現有數字變換器平臺上實現。
  12. The automation system used in afore - mentioned no. 2 line are siemens s7 series while the drive system are the siemens 6se70 series of all digital ac drive system with a uniform common dc power bus supply. the hmi system is wincc system which presents good visional interfaces. l1 communication uses profibus which adopts tcp / ip protocol for communications with welder, thickness gauge, air knife and l2

    攀鋼冷軋廠2 #鍍鋅鋁機組基礎自動化系統設計採用西門子s7系列，傳動採用西門子6se70系列全數字交流傳動系統並由統一的公共直流母線供電， l1人機界面採用wincc系統，為生產操作提供了較好的可視化界面， l1通訊採用profibus總線，與焊機、測厚儀、氣刀、 l2等採用tcp / ip協議。
  13. 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。
  14. Ningbo tulip electron co., ltd. is a professional electronic company, specialized in producing energy - saving lamps, electronic ballasts, electronic testing instruments, dc regulated power suppliers and ac automatic voltage regulators. as one of the leading electronic manufacturer in china, " tulip " owns advanced facilities including one panasonic smt machine, two pcb board inserting lines, one set dual wave sodering line and one pvc belt converyor

    寧波得力浦電子有限公司是一家生產各類電子節能燈、電子鎮流器、電子測量儀器儀表等直流壓電源，交流穩壓器等其他電子產品的專業公司。具備國內先進的生產設備，流水線及檢測。
  15. The hs protector is used for the ac power input circuit of electronic equipment ; it protects the equipment from invasion by lightning surges and other abnormal voltages from the power source line

    電源防雷模塊應用於電子設備的電源迴路中，用於保護電子設備免受電源迴路感應的雷電和其它過電壓而造成的損壞。
  16. Verify ac line voltage, phase and frequency with the controller data plate on the enclosure door prior to connecting ac power

    在連接交流電源之前，請驗證交流電壓、相位和頻率是否與控制裝置外殼門參數板上的相應數據相同。
  17. Gck1 series motor control center is distribution device for ac 380v system and a control device for out - of - phase motor, suitable for distribution device for factories and mines and building, motor centralized - control for metallurgical indi = ustry, chemical industry and light industry production line. it can be equipped with programmable controller and microprocessor, and formed into power supply and power distribution automatic control system

    Gck1系列電動機控制中心是交流380v系統的配電和異步電動機的控制設備，適用於廠礦及建築物的配及冶金、化工、輕工生產線的電動機集中控制，還可於程序控制器和微處理器組成供需自動控制系統。
  18. Electric performance index of the system is given. the ac standard equipment should be 3 - phase output standard resource by which the ac voltage, ac current, power factor, 3 - phase - 3 - line effective power, 3 - phase - 4 - line effective power, reactive power and single phase watt meter, working frequency and phase meter can be examined. the system makes full use of the main computer which has multi function in the examination

    給出了電氣性能指標，交流標準裝置應為三相輸出標準源、使其可校驗交流電壓、交流電流、功率因數、三相三線有功功率、三相四線有功功率、無功及單相電能表，同時可校驗工頻頻率表及相位表，在校驗檢測中充分發揮主機多能的作用。
  19. Each piece of machinery will place unique transient waveforms on the ac power line

    每一件機器將在交流電線上產生獨特的電涌波形。
  20. The only access points for transients are the ac power line wires and any data and telecommunication wiring

    電涌唯一的接入點就是交流電源線和任何的數據及電信接線。
分享友人
分享到 Line

分享到臉書