phase transformer 中文意思是什麼

phase transformer 解釋
變相器
  • 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，...
  • 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。
  1. Current transformer phase angle

    電流互感器相角
  2. Watthour meters for instrument - transformer connection ; main dimensions for three - phase meters

    儀表和傳感器連接用的電度表.三相電表的主要尺寸
  3. Then novel circuit structure of bi - directional voltage mode ( based on forward converter ) inverters with high frequency link, are proposed, which is constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filter ; the circuit topologies family of this bi - directional voltage mode inverters with high frequency link include six circuit topologies, such as push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controlled bi - directional voltage mode inverters with high frequency link is introduced

    本文首先論述了dc / ac逆變技術的應用前景及發展現狀。基於正激forward變換器的雙向電壓源型高頻環節逆變器電路結構，由輸入周波變換器、高頻變壓器、輸出周波變換器、以及輸入、輸出濾波器構成;雙向電壓源高頻環節逆變器電路拓撲族，包括推挽全波式、推挽橋式、半橋全波式、半橋橋式、全橋全波式、全橋橋式六種電路。
  4. The verify experiment proves that its ratio and phase characteristics are much better than ordinary ones and the precision is enough for measure use. zero - flux current transformer can ’ t obtain absolute zero flux because residuary flux, so when the secondary turns is too small it will not satisfying. to improve the precision further, proposes a method to compensate zero - flux current transformer using capacitance parallel connected coil and deduces it

    為了進一步抵消剩餘磁通，提高互感器的精度，提出了一種並聯電容線圈補償零磁通的方法，並進行了理論推導，設計了基於該方法的100匝電流互感器，通過校驗證明它可以改善零磁通電流互感器的比差和角差特性，提高互感器的精度，將電流互感器的二次匝數由普通互感器的幾千匝降到了100匝，提高了測量微小電流的能力。
  5. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  6. Phase - shifted zero - voltage - switching pwm full bridge converter can realize zvs for the power switches with the use of the leakage inductance of the transformer and the intrinsic capacitors of the power switches, so it is used widely for medium and high power applications

    移相控制零電壓開關pwm全橋變換器利用變壓器的漏感和開關管的結電容可以實現開關管的零電壓開關，在中大功率的場合應用廣泛。
  7. This paper presents a three - phase harmonic power flow algorithm using phase components and back - forward sweep method to solve the disconvergence when the three - phase transformer harmonic model was used. the example result presented the method was feasible and

    本文針對在進行三相諧波潮流演算法時因引入三相變壓器諧波模型而可能導致計算結果不收斂問題，提出了諧波潮流計算的相分量法，其中引用了前推-回代法。
  8. The experiment set we are researching on is composed of four sections, namely remote control through coded radio, tube close driven by a electromotor, tube disjunction pushed by a electromagnet and power supplied by a single - phase dry - type transformer

    本實驗裝置主要由四部分構成，即密碼無線遙控、電動機拖動熔管合閘、電磁鐵推斥熔管分斷、單相干式變壓器供電。
  9. 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
  10. Connection skill for three - phase transformer terminal group

    三相變壓器接線組別的連接技巧
  11. The three - phase to four - phase transformer with a four - phase four - leg structure solves the problem. the windings on each leg of this transformer are not more than three

    這種變壓器每相鐵心柱上的繞組不超過三個，是不等相變換的最簡單形式。
  12. The paper brings out a few of measures to save energy including rational planning of grid, improvement of line loss management, public line, reactive compensation on - spot, promotion of single - phase transformer and elimination of timeworn facilities, etc

    提出了多種途徑的節能措施，包括合理規劃電網、加強線損管理、完善公用線路、公用臺變無功就地補償、推廣單相變、淘汰落後用電設備等。
  13. The key equipment of four - phase power transmission systems is a three - phase to four - phase transformer and the inverse transformer

    四相輸電系統應用的關鍵設備是三相變四相及其逆變電力變壓器。
  14. Principally, when the winding - connection scheme is adopted to add a set of auxiliary windings on the two - phase side of a balance transformer, we can get a three - phase to four - phase transformer

    原則上，在平衡變壓器的兩相側採用增加一套副繞組的雙重接線方案，便可得到三相變四相電力變壓器。
  15. Analysis on asymmetric operation of three - phase transformer

    三相變壓器不對稱運行的分析
  16. Small single - phase transformer

    小型單相變壓器
  17. Two phase transformer

    雙相變壓器
  18. The design of this phase transformer can turn the error into the phase transform capacity. this compensation device is fit for measure in wide range

    這種移相器的設計可以很好的將誤差轉化為相移量。該補償裝置適用於寬量程的測量。
  19. When a smoothing function ' s first derivative is adopted as wavelet function, the local maxima of wavelet transform modulus detect the location of signal ' s singularities, in this thesis, these characters are not only applied to measure the magnitude of dead angles of the dissymmetry inrush but also the symmetry inrush in three - phase transformer

    當小波函數取光滑函數的一階導數時，信號小波變換的模在信號突變點將取得局部極大值。本文利用這些性質不僅對三相變壓器的非對稱性涌流間斷角的大小進行測量，同時還測量了對稱性涌流的間斷角，測量精度有一定的改善。
  20. When the phase is changed, the used phase transformers is voltage - control phase transformer which is changed by phase transformer consist of ordinary operation amplifier consist of ordinary operational amplifier

    在相位調整時所運用的移相器是由普通運算發大器構成的移相器改造成的壓控移相器。
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