single-phase circuit 中文意思是什麼

single-phase circuit 解釋
單相電路
  • single : adj 1 僅只一個的，單獨的；單式的；【植物；植物學】（花等）單瓣的；【無線電】單工的，單次的。2 獨...
  • 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，...
  • circuit : n 1 （某一范圍的）周邊一圈；巡迴，周遊；巡迴路線[區域]；迂路。2 巡迴審判（區）；巡迴律師會。3 【...
  1. 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。
  2. Dds951 series electronic single - phase electric meter is the most advanced static electronic meter in china. the meter designs use large - scale intergated circuit. high reliability step motor, it can the ac single - phase active energv voltage rating : 220v : frequency 50hz, positive and negative two directions and accumulates in one direction. the test singnal is isolated by phototransistor : it also has the function of anti - fraud, and indicates it s operation situation on flash light, so it could be managed very easy

    Dds951單相電子電能表，是金雀儀表公司開發的新型電度表。該產品是採用規模專用集成電路，高可靠性步進電機等先進技術製造的國內最新電能試題新產品，用來計量額定電壓為220v ，頻率為50hz的交流單相有功電能，該產品能夠精確計量正負兩方向的有功電能，且以同一個方向累計。
  3. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。
  4. 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。
  5. Guide for the application of faulted circuit indicators for 200 a, single - phase underground residential distribution

    200a單相地下住宅分佈用故障電流指示器的應用指南
  6. By studying traditional instantaneous power theory in single - phase circuit, we developed a real - time detecting method in this paper based on digital technology, which can detect harmonic current and fundamental reactive current in both single - phase and three - phase circuits

    本文通過對于單相電路瞬時功率理論的分析研究，提出了一種基於數字技術的單相和三相電路諧波和無功電流的實時檢測方法。
  7. Different power circuits and control strategy of the single phase inverter in parallel condition are first analyzed, and half - bridge inverter is selected as the power circuit and current hysteresis control is selected as the control strategy

    本文首先對單相逆變器的主電路結構和控制電路的結構在並聯條件下進行了比較分析，最後選用了半橋結構的主電路和內環為滯環控制的瞬時電壓電流雙閉環反饋控制方式。
  8. This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power

    該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場，可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數，並具有負載性質（感性、容性）判別，正、逆相序判別指示功能；超限報警功能；列印記錄功能和負功檢測及處理功能。
  9. After that, the author discusses a novel solid states limiting technology and provides a single - phase solid states bridge current limiter and a main circuit topology of three - phase fault current limiter. it can be found that the new type of three - phase solid states bridge current limiter can handle the fault conditions more flexibly. it can not only remove the fault circuit, but also control the value of stable fault current to cooperate with the existing line three - segment relay

    繼而，介紹了一種新型固態限流技術，給出了單相、三相限流器的主電路拓撲，分析了其基本工作原理和控制方式，指出以全控橋結構為基礎的變壓器耦合橋式限流器能夠更加靈活地處理電力系統的各種短路故障，及時地限制短路電流，並與現有的線路三段保護相配合，還可根據需要實現及時切除故障電路，在故障恢復時軟重合閘。
  10. Gb1094. 5 - 85 power transformers part 5 ability to withstand short circuit only applies to power transformers, not to balanced transformers. if short - circuit test on balanced transformers can be performed by means of single phase supply instead of three phase supply, and other special transformers can also be done in this way, so it is very significant to improve test capacity of transformer laboratory in our country

    變壓器的短路強度只能通過短路試驗來驗證，國家標準gb1094 . 5 - 1985 《電力變壓器第5部分承受短路的能力》只適用於電力變壓器，對平衡變壓器等特殊變壓器並無具體規定，對于平衡變壓器，如果可以用單相電源預先短路法模擬三相電源的短路試驗，那麼其它特種變壓器的短路試驗也可以參照進行，這對提高我國變壓器試驗室的試驗能力具有重要意義。
  11. With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency

    本文在平均電流模式控制的有源功率因數校正技術的基礎上，設計了一種控制電路基於數字信號處理器（ dsp ） 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器，用數字電路代替傳統的模擬電路來實現對整個迴路的控制，最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。
  12. Svc series single - phase stabilizer which are composed of contact type self - coupling voltage regulator, automatic sampling control circuit and servimotor, having the advantage such as compact size, light werght, stable and continuous voltage provision wide voltage adjustment and negligible wave form distortion

    Svc系列單相高精度全自動交流穩壓器是由接觸調壓器、取樣控制電路和伺服電機組成;具有輸出電壓連續平穩、調壓范圍寬、輸出波形失真小和穩定可靠等優點
  13. The whole pwm circuit contains two subcircuit, the front - end is pwm module that make up of the counter that based on nine mosfet true - single - phase - clock d flip - flop ; the back - end is demodulated module, which is consist of a three order chebyshev low - pass filter used trans - conductor capacitor. all the subcircuits are simulated. at last, an approving simulated result of the whole circuit is given too

    在調制部分，利用九管單相時鐘d觸發器構成計數器，並由此組成了脈沖寬度調制電路，同時給出了在典型溫度下的模擬結果;在解調部分，介紹了低通濾波器從無源到有源的設計方法，設計了三階切比雪夫低通跨導電容濾波器，同樣給出了相應的模擬結果;最後，作為將脈沖寬度調制電路和濾波器作為整體電路，以脈沖調頻波為輸入進行了模擬，取得了令人滿意的結果。
  14. The series h - bridge multilevel converter ' s power circuit is composed of uncontrolled rectifier with filtering capacitor and single phase h - bridge voltage - type inverter

    串聯h橋多電平變頻器的主迴路從結構上可分為三相電容濾波不可控整流電路和單相電壓型全橋逆變電路。
  15. The research for the real - time detection method of single - phase circuit harmonic current based on dft

    基於離散傅立葉變換的單相電路諧波電流實時檢測方法的研究
  16. A novel detecting method for harmonic current in single - phase circuit

    一種單相電路諧波電流檢測的新方法
  17. Railway applications - fixed installations - particular requirements for a. c. switchgear - single - phase circuit - breakers with um above 1 kv

    鐵路設備.固定裝置.交流開關專門要求.電壓大於1kv的單相電路斷路器
  18. Railway applications ; fixed installations - particular requirements for ac switchgear - part 1 : single - phase circuit - breakers with u above 1 kv ; german version en 50152 - 1 : 1997

    鐵路設施.固定設備.交流電開關裝置的特殊要求.第1部
  19. The instantaneous reactive power theory in three - phase circuits based on - co - ordinate shows its defect when applied to single - phase circuit

    由於基於-坐標系的三相電路瞬時無功功率理論，在適用於單相電路時表現出其不足之處。
  20. Railways applications - fixed installations - particular requirements for a. c. switchgear - part 1 : single - phase circuit breakers with um above 1 kv

    鐵路設備.固定安裝.交流開關裝置的特殊要求.第1部分：電壓大於1kv的單相電路斷路器
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