three-phase distribution 中文意思是什麼

three-phase distribution 解釋
三相分佈
  • three : n. 1. 三個人[東西]。2. 三歲，三時。3. 【板球】3字型。
  • 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，...
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  1. The three - phase distribution flow method on combining the back / forward sweep algorithm and circuit calculation is studied. as a result, the transform model from the apparent power of low voltage side to the current of high voltage side is built

    研究了電路計算與配電網潮流計算的前推回代法相結合的（基於電路分析的）三相潮流計算方法，在該演算法的基礎上建立了配變低壓側的功率到高壓側的電流的轉換模型。
  2. Three phase oil - immersed distribution transformers, 50 hz, from 50 to 2500 kva with highest voltage for equipment not exceeding 36 kv - requirements and tests concerning pressurized corrugated tanks

    最高電壓不超過36kv的設備用50hz 50 2500kva三相油浸式配電變壓器.關于加壓波紋罐的要求和試驗方法
  3. Three - phase dry - type distribution transformers 50 hz, from 100 to 2500 kva with highest voltage for equipment not exceeding 36 kv - determination of the power rating of a transformer loaded with non - sinusoidal current

    小於36kv設備的最高電壓值為50hz 100 - 2500kva三相干式配電變壓器.負載非正弦電流的變壓器額定功率的測定
  4. Three phase oil - immersed distribution transformers, 50 hz, from 50 to 2500 kva with highest voltage for equipment not exceeding 36 kv - determination of the power rating of a transformer loaded with non - sinusoidal currents

    小於36kv設備的帶有最高電壓值50hz 50 - 2500kva三相油浸式配電變壓器.載有非正弦電流的變壓器額定功率測定
  5. Three phase oil - immersed distribution transformers, 50 hz, from 50 to 2500 kva with highest voltage for equipment not exceeding 36 kv - supplementary requirements for transformers with highest voltage for equipment equal to 36 kv

    小於36kv設備的最高電壓值為50hz 50 - 2500kva三相油浸式配電變壓器. 36kv設備的最高電壓值變壓器補充要求
  6. Three - phase dry - type distribution transformers 50 hz, from 100 to 2500 kva with highest voltage for equipment not exceeding 36 kv - supplementary requirements for transformers with highest voltage for equipment equal to 36 kv

    小於36kv設備的最高電壓值為50hz 100 - 2500kva三相干式配電變壓器.第2部分:設備最高電壓為36kv變壓器的補充要求
  7. Model gdl1, 2 compact low voltage complete switchgear is suitable for use in ac 50 - 60hz three - phase five - wire election net as power, lighting, electic energy changeover, protection and control in genegration, transmission and distribution systems. it also can be used in warship, oil prospecting and nuclear power stration

    2低壓成套開關設備適用於交流50 - 60hz ，三相互線制電網，用於發電、輸電、配電系統中最為動力、照明、電能轉換、保護控制之用，還可用於艦船及海上石油勘探和核電站。
  8. Basically learn dc, alternating current way, lighting circuit, distribution circuit, transformer of odd, three - phase, dynamo job principle reachs operation method, the principle maintenance of electromotor of single - phase, three - phase reachs application, low - pressure electric equipment, electric power procrastinates move, electromotor maintains skill, brilliant brake canal can accuse rectification, electrical engineering appearance, the electron controls a technology, circuit of new light source, engine, principle of distribution ark job and installation technology

    主要學習直流、交流電路，照明電路，配電電路，單、三相變壓器，發電機工作原理及操作方法，單相、三相電動機的原理維修及應用，低壓電器，電力拖動，電動機維修技巧，晶閘管可控整流，電工儀表，電子控制技術，新光源電路，發動機，配電櫃工作原理及安裝技術等。
  9. Three - phase oil - immersed distribution transformers 50 hz, from 50 to 2500 kva with highest voltage for equipment not exceeding 36 kv. part 4 : determination of the power rating of a transformer loaded with non - sinusoidal currents

    最高電壓不超過36 kv的設備用50 hz 50至2500 kva三相油浸配電變壓器.第4部分:加載非正弦電流的變壓器功率額定值的測定
  10. 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。
  11. Pda laser flow velocity testing technique was used to measure the flow velocity of solid particles in the solid - liquid - gas three - phase system in a flotation cell and obtained the velocity distribution of solid particles so as to provide reliable data for the study on adsorption and deadsoption mechanism of particles onto and off from bubbles

    採用pda激光流速測試技術，在固-液-氣三相體系中對浮選槽中固體顆粒進行了流速測定，獲得了固體顆粒的速度分佈，為礦粒與氣泡粘附過程和脫附過程機理的研究提供可靠數據。
  12. Standard requirements for pad - mounted, compartmental - type, self - cooled, three - phase distribution transformers, 2500 kva and smaller : high - voltage, 34 500 grdy 19 920 volts and below ; low voltage, 480 volts and below

    底座安裝的隔室型自冷式三相配電變壓器2500 kva及更小:高壓34500 grdy 19920伏及以下低壓480伏及以下的要求標準
  13. The dissertation detailedly explains the engineering geology conditions of zhe gu mount tunnel area, and has researched the crustal stress development process and the regulation of distribution. according to mounts of site tracing investigations, author has researched the formation mechanism of wall rocks at zhe gu mount tunnel. on the base of engineer geology analysis, applying the modern support theory and construction conception of underground engineer, and combining with modern monitor technique and numerical simulation, has researched and discussed about support, forecast and information design - construct etc. three phase on large deformation " prevention

    本文詳細闡明了鷓鴣山隧道區工程地質條件，對隧道區地應力場演化過程及分佈規律進行了研究；基於大量的施工現場跟蹤調研，研究了鷓鴣山隧道圍巖大變形的形成機制；在工程地質分析的基礎上，運用地下工程現代支護理論和施工理念，結合現代監測技術和數值模擬方法，從大變形的支護、預測、信息化設計施工三個方面對大變形的防治進行了探討。
  14. This paper aims at the request of distribution automation and the disadvantages of existent ttu products and puts forward a scheme of ttu design : dsp ic tms320lf2407a of ti ltd. is chosen as a controller because of its high performance ; a three - phase power / energy ic developed by sames ltd. is used as a measure module to simplify the hardware circuit and software program ; the embedded modem and rs485 / rs232 mode communication interfaces are designed to make the data transfer more flexible and effective ; the 101 communication protocols of international electric power standard are adopted to improve its compatibility

    本文針對配電自動化的要求及現有ttu產品的不足，提出了一種基於dsp的配電變壓器遠方終端單元的研製方案：微控制器選用ti公司高性能定點dsp晶元tms320lf2407a ；使用sames公司推出的三相電能計量晶元sa9904a作為測量模塊，簡化了硬體電路和軟體編程；採用siliconlaboratories的嵌入式modem 、 rs485 rs232等多種通信方式，使數據傳送變得靈活、高效；為了提高設備兼容性及通用性，通信協議採用國際電力標準101規約。
  15. Secondly, measuring arrangement in three - phase distribution systems, decomposing jacobian matrix algorithms and how to choose pseudo - measurement weight are discussed

    其次，對三相系統的量測設置，分解雅可比三相狀態估計演算法和偽量測權值的選取進行了闡述。
  16. Application of transformer connections in three - phase distribution systems

    三相配電系統變壓器連接申請
  17. Guide for the application of transformer connections in three - phase distribution systems

    三相配電系統變壓器連接應用指南
  18. The core mass of single - phase and three - phase distribution transformers with wound core is analyzed and calculated. the examples are given

    摘要對單相、三相卷鐵心配電變壓器的鐵心質量進行了分析和計算，並給出了實例。
  19. Transformers - underground - type three - phase distribution transformers, 2500 kva and smaller : high voltage 34 500 grd y 19 920 volts and below ; low voltage, 480 volts and below - requirements

    變壓器.不大於2500kva的地下型三相配電變壓器:高壓不大於34500y接地19920伏低壓不大於480伏.要求
  20. Firstly, a relevant algorithm is presented for locating single - line - to - ground ( slg ) fault in distribution networks, fault functions are reasoned out and analyzed for single - phase and three - phase distribution lines, and criterion measure, which are based on the frequency, phase and shape characteristics of the fault function spectrums, are also presented for locating slg faults

    首先論文對三相均勻換位線路的故障定位進行了公式推導和數值計算分析，並在頻域內對故障函數的頻譜曲線幅值、相角和頻率特性進行了分析，提出了相應的故障定位判據。
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