three-phase power 中文意思是什麼

three-phase power 解釋
三相電力
  • 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，...
  • 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...
  1. It was restaurant industry graven topic that that of that of from input / output angle said, how advance restaurant kernel ability to compete, with the purpose of advance business economic benefit, as soon as possible brought return, accelerating demonetization end, abaft experience know clearly near twenty year stodgy state look forward to reform mechanism, our state hotel industry be around by babyhood trend maturity, by seller ' s market trend buyer ' s market, such transit should make part rational consumer enjoy to good value for money, too brought ought to part superficial restaurant taste to inevitable ; the government owned restaurant at multinational restaurant bloc and civilian battalion restaurant enterprise " dual impact down, calendar by know clearly reform of monetary system cum bank commercialization, market open cum solution control, market cum competitive mechanism three phase, owing to planned economy belated issues, structure irrationality wrought a matter of and overlapping investment wrought a matter of wait threefold cause, make government owned restaurant at market competition middle gradualness forfeiture competitive edge, in progression appearance hot water, how advance government owned hotel competitive power a matter of, toward me state tourism possess strong operation significance, hunan lotus hotel namely same family pole tool on government owned three stars level hotel behalf of the for the last years, by way of hotel industry occupy quite specific gravity

    從投入產出的角度講，如何提高飯店核心競爭能力，以達到提高企業經濟效益，盡快產生回報，加速貨幣回籠的目的，是飯店業嚴肅的話題。在經歷了近二十年步履艱難的國企改革歷程后，我國飯店業已開始由幼稚走向成熟，由賣方市場走向買方市場，這種轉變將使得部分理性的消費者享受到物有所值，也使部分膚淺的飯店品嘗到必然的失敗；近十年來，作為飯店業占相當比重的國有飯店在跨國飯店集團和民營飯店企業的雙重沖擊下，歷經了金融體制改革及銀行商業化、市場開放及解控、市場及競爭機制三個階段，由於計劃經濟遺留下來的問題、結構不合理造成的問題和重復投資造成的問題等三方面的原因，使得國有飯店在市場競爭中逐漸喪失競爭優勢，相繼出現困境，如何提高國有飯店競爭力的問題，對於我國旅遊業具有強烈的現實意義，湖南芙蓉賓館就是一家極具代表性的國有三星級飯店。
  2. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分： （ 1 ）電路的總體設計和功能； （ 2 ）硬體設計，包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 （ 3 ）系統軟體設計，包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計； （ 4 ）系統測試。
  3. The product adapts to single - phase asynchronous motor and three - phase asynchronous motor, which is supplies with single - phase power and the frequecy is blew 100hz. it is specially used for supplying leading current for elecrtomtor, and then the electromotor is actuated with the adeqate moment consequently. and when the electromotor runs smoothly, the capacitor will disconnect from the circuit. the product possesses stable capacity and long relative runtime

    1 .用途及特點適用於100hz以下單相異步電動機和單相電源供電的三相異步電動機，專門用於向電動機提供超前電流，使電動機獲得足夠的力矩而起動。
  4. Application of single phase metering chip cs5460a on anti - power stealing three phase meter

    在三相防竊電表中的應用
  5. Dbw, sbw series single - phase and three - phase super power voltage regultor of new age having the advantages of large capacity, high efficiency, wide range, high precision, strong protection, without wave - form distortion, reliadle operation and casy installation, etc

    Sbw系列單、三相大功率電力穩壓器是我公司在參數照國際同類產品、結合我國國性的基礎上研製生產的新一代節能電力穩壓器，具有容量大、效率高、穩壓范圍寬、精度高、保護功能強、無波形畸變、運行可靠、維護簡便等特點。
  6. Topology graphic is applied to electric power networks, and a new method to form the three - phase nodal admittance matrices with three - phase branches is proposed

    將圖論應用到電網拓撲結構中，從一個新的角度提出了用三相支路法形成三相節點導納矩陣的方法。
  7. Three phase power transmission

    三相電力傳輸
  8. Three - phase power transmission

    三相電力傳輸
  9. A novel high - power pollution - free smps is presented in this paper, which accomplishes simultaneously the goal of soft - switching pwm, the input / output isolation, the output voltage regulation and three - phase pfc with a single - stage power processor and simple pseudo - phase - shift control circuit. therefore, compared with the normal two - stage system, the single - stage power supply has simpler structure, lower cost, higher efficiency and easier to control. the proposed smps can be used in the three - phase power system, and can output high power over kw - order and input / output ( i / o ) isolation dc power supply

    本文提出的新型無污染大功率開關電源正是採用三相三線制輸入電源，利用單級偽相移零電壓零電流開關脈寬調制（ pps - zvzcs - pwm ）全橋變換器完，成功率因數校正（ pfc ）和輸出電壓快速調節、隔離的雙重功能，並且該變換器開關管在零電壓或零電流下通斷，顯著的減小了emi 。
  10. The paper then discusses the realization of three - phase power inverter based on soft - switching technology and its control strategy in detail

    本文第三章詳盡論述了基於軟開關技術的三相功率逆變器的實現及其控制策略。
  11. 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。
  12. Finally, combined with the distribution topology analysis, the software of the three - phase power flow and state estimation are developed and applied in a practical distribution system

    同時結合配電網的網路拓撲分析，編制了配電網的三相潮流計算軟體和三相狀態估計軟體並應用於工程實際中。
  13. Explicit algorithms of three - phase power flow for both balanced and unbalanced distribution networks

    配電網三相潮流的顯式計演算法
  14. Another is that dfc is also not suitable for high input voltage application, such as following the output of three phase power factor correction circuit, for the voltage stress of switch in dfc is equal to the input voltage

    另外，在高電壓、大功率應用領域，如三相pfc電路後面接的dc dc變換器，由於三相pfc電路輸出電壓較高，一般為800v左右。此時採用功率mos管作主管的雙管正激變換器則不能直接應用。
  15. Simplified approach to three - phase power flow calculation of distribution networks

    配電網三相潮流的簡化分析
  16. High - voltagelow - voltage supplies and distribution systems, single - phase and three - phase power, etc

    高壓低壓供電與配電系統、單相電及三相電等
  17. A kind of new high efficiency three - phase power - factor - correction is proposed and realized by integrate - reset - control circuit

    5 .首次提出了一種新型高效率三相功率因數校正拓撲，並採用積分復位控制方法實現。
  18. Both ip - iq approach and id - iq approach need low pass filters, as a result the accuracy of harmonic current detection is influenced by frequency drift. moreover, they both can only be used in three - phase power systems

    I _ p - i _ q法和i _ d - i _ q法都需要低通濾波器，因而會使諧波電流檢測精度受到電源頻率漂移的影響，而且這兩種方法僅適用於三相電力系統。
  19. To resolve this problem, this dissertation author researches deeply and makes two preventing power theft devices which be used in three - phase power supply system including three - phase three - line system and three - phase three - line system

    針對這種情況，本論文作者針對三相供電系統中竊電及其檢測技術進行了詳細研究並研製了三相四線和三相三線計量防竊電裝置。
  20. Three phase power factor meter

    三相功率因數表
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