transformer voltage ratio 中文意思是什麼

transformer voltage ratio 解釋
變壓器電壓比
  • transformer : n. 使變化的人[東西]；【電學】變壓器；變換器；互感器。 polarity of transformer 變壓器繞線方向。
  • voltage : n. 【電學】電壓，電壓量，伏特數。 the working voltage （電氣的）耐壓限度。
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. Only transformer coupling can contribute to the voltage gain of an amplifier by virtue of a stepup turns ratio.

    只有放大器耦合方能通過開壓匝數比提高變壓器電壓增益。
  2. Each unit of transformer is tested in accordance with the following items : winding d. c resistance test. measurement of turn ratio and calibiation of voltage vector relation. measurement of impedance voltage and load loss

    直流電阻測試匝數比測量及電壓矢量關系的校定阻抗電壓及負載損耗的測量空載損耗及空載電流的測量工頻耐壓測試感應耐壓測試絕緣電阻測試局部放電測試外觀和尺寸的檢驗銘牌的檢驗等。
  3. In at power supply system some transformers with special connection mode, such as scott transformer, anti - scott transformer, balance transformer and so on, are usual used. the voltage ratio is one of important parameters of transformer

    採用斯科特變壓器、平衡變壓器等特殊接線方式變壓器作為主變壓器，能有效抑制負序電流，減少有功損耗和電壓損失，提高牽引機車的過負載能力。
  4. Load tap switch is the central contrivance in load - ratio voltage regulation of transformer

    有載分接開關是變壓器有載調壓的主要裝置。
  5. Rated transformation ratio of a voltage transformer

    電壓互感器的額定變比
  6. Therefore it is valuable to study on the method for measuring voltage ratio of special transformer. since these transformers have special connection mode, the apparatus used for common transformer cannot directly measure the voltage ratio. it is very necessary to develop a novel apparatus especially used for these special transformers

    但由於此類變壓器採用特殊的接線方式，通常所用的變壓器變壓比測試儀不能直接運用於此類變壓器的變比測試，所以有必要研究一種新型的用於特殊接線方式變壓器的變比測試儀。
  7. To reduce voltage stress of power switch in the flyback - forward converter, a novel two - transister flyback - forward converter is present in this paper. by adjusting the turns ratio of forward and flyback transformer we can distribute the delivering power of forward and flyback transformer

    提出了一種雙管正?反激組合變換器，通過調整正、反激變壓器的匝比關系，可以任意改變正、反激變壓器向負載傳輸功率的分配比率。
  8. The rbf network has a better performance, and better forecasting accuracy. then mathematical model of substation voltage / var control is constructed, the squares minimization of voltage differences as target, also considering requirement of voltage and power balance, taking it into consideration that the magnitude constraint of transformer ratio and compensating capacitor, also that constraint of operation times of one day transformer tap and capacitor switch

    因此提高了學習性能，具有較好的預測精度。然後，建立變電站電壓無功控制的數學模型，考慮電壓的調壓要求和無功功率平衡，計及變壓器變比和並聯補償電容的上下限約束，變壓器分接頭和電容器允許的日調節次數的限制，以電壓偏差的平方和最小為目標函數。
  9. However, the inherent shortcoming of piezoelectric transformer hinders its further development. the major problems include : ( 1 ) the development and design of the piezoelectric transformer involve in lots of theoretic aspects including the design of material, dimension, electrode and circuit ; ( 2 ) it is hard to harvest high voltage enhancement ratio and high - power output simultaneously ; ( 3 ) the operation of the piezoelectric transformer is strongly dependent on the resonance frequency, which leads to the difficulty in the design of driving circuit

    但其自身所存在的固有缺點也在很大程度上限制了壓電變壓器的進一步發展，突出的問題有:壓電變壓器的研製包括材料設計、尺寸設計、電極設計和電路設計等多個環節，所涉及的理論面很廣;壓電變壓器的高陞壓比和大功率輸出難以同時得到保證;壓電變壓器的工作過多地依賴于諧振頻率，為外部電路的設計帶來了困難。
  10. Load - ratio voltage regulation of transformer is the voltage regulation, which has larger regulating scope and less investment and higher speed and well effect in power - on conditions

    這種調壓措施，調壓范圍大，投資少，效果好，調壓范圍一般為15及以上。
  11. Actual transformation ratio of voltage transformer

    電壓互感器的實際變化
  12. Actual transformation ratio of a current voltage transformer

    電流互感器的實際電流電壓比
  13. The variety of voltage ratio reacts to not only the insulation status of transformer winding but also the fault of winding short

    變壓比是變壓器的重要參數，變壓比的變化與變壓器繞組的變化有密切的關系。
  14. Based on the strategy the automatic voltage and reactive power control device was developed. the device is controlled by microcomputer and can adjust the ratio of transformer and switch the capacitor automatically according to operating condition

    在此基礎上，研製成功了變電所電壓無功自動控制裝置，裝置以微處理器為控制核心，可根據實測的母線電壓和負荷功率因數，自動進行主變分接頭調整和補償電容器投切。
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