signal transformer 中文意思是什麼

signal transformer 解釋
信號變壓器
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  • 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. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次，針對acem系統特有的「電源諧波」特性，深入分析了濾波器方案，得到了一種適用於acem系統諧波抑制的串聯混合型有源電力濾波器優化拓撲結構，並採用了pwm調制技術、中頻注入變壓器和磁勢補償原理有效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。
  2. The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation

    二、在高頻變壓器原邊，當開關管接收控制信號脈沖列（經調制的spwm波列）導通時，在低頻調制信號的正半周或負半周內，施加在變壓器繞組上的是同一方向的電壓，變壓器磁芯中的磁通可能將級進地逐漸增加，導致磁芯飽和，造成磁偏或單向磁化，導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。
  3. Based on an analysis of uhf ( ultra - high - frequency ) characteristic of pd ( partial discharge ) in power transformer, using mixing technique, a signal disposal cell has been devised for the sake of facilitating common data sampling card

    摘要在分析了電力變壓器局部放電的超高頻特性的基礎上，利用混頻技術，設計了局部放電超高頻信號的信號調理單元，方便普通數字採集卡採集。
  4. 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。
  5. The signal is fed into a filter-amplifier which is transformer-coupled to the video-detector.

    這個信號送到濾波器-放大器，它是由變壓器耦合到視頻檢波器的。
  6. On the one hand, according the design principle of torque sensor, this paper researched the non - contact torque sensor, which base on the theory of electric resistance strain and the rotation transformer and could satisfied the request of our project as well as the condition of the producing process. on the other hand, the modulation method of torque signal has been solved before the signal was input to the industry computer, therefore, solved the problem of signal transfers

    其次，研究和研製了扭矩在線測試工作所需要的儀器硬體。一方面，根據扭矩傳感器的設計原理，研製了滿足課題要求和生產現場條件的，基於電阻應變理論和電感集流環的非接觸型扭矩傳感器；另一方面，制訂了扭矩信號在輸入工業計算機之前的調理方法，解決了信號傳輸問題。
  7. In order to improve the behavior of transformer protection that is incomplete at present in distinguishing magnetizing inrush current from fault current, the paper puts forward a kind of new principle of transformer differential protection after analyzing the characteristic of magnetizing inrush and active power consume of transformers. this protection uses differential protection based on positive sequence active power as a criterion to discriminate internal faults from magnetizing inrush, and ratio restraint differential current protection as a signal to touch off the protection

    針對當前電力系統中變壓器保護由於勵磁涌流鑒別理論不完善而導致的誤動率相對較高的問題，論文在分析了變壓器勵磁涌流特性和有功損耗的基礎上，提出了用變壓器正序有功功率差動作為區別勵磁涌流和故障電流的判據，並以成熟的比率制動差流保護作為內外部故障判據的變壓器主保護。
  8. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小波，對勵磁涌流和內部故障電流進行小波分析，並設計微機型變壓器保護基本配置，在以往間斷角原理鑒別勵磁涌流的基礎上，突破傳統精確測量勵磁涌流間斷角的方法，直接對信號小波變換后的波形進行分析，建立一個新的鑒別勵磁涌流判據，該判據對硬體要求不高，可以在現有一般硬體平臺上實現；並編寫以b樣條函數為母小波的小波變換判據演算法程序。
  9. Ac current signal : 0 - 5a direct input ; if the current exceed 5a it can adopt current transformer to transform into current signal whose full range is 100v to input

    交流電流信號： 05a直接輸入，超過5a可採用交流電流互感器轉換成滿量程為5a的電流信號輸入
  10. Ac voltage signal : 0 - 500v direct input ; if the voltage exceed 500v it can adopt ac voltage transformer to transform into voltage signal whose full range is 100v to input

    交流電壓信號： 0500v直接輸入，超過500v可採用交流電壓互感器轉換成滿量程為100v的電壓信號輸入
  11. In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal

    在傳感器設計一章中，首先對渦流傳感器進行等效電路分析，在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路，並通過微調電容獲得了標準頻率的載波信號；接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案，同時通過旋轉耦合變壓器的引入，使得測量信號輸出問題很好地解決；本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。
  12. Ac current input : 05 a direct input, exceed 5 - a signal is converted to current signal input whose full scale is 5a by current transformer

    交流電流輸入： 05a直接輸入，超過5a由電流互感器變換成滿刻度為5a的的電流信號輸入。
  13. Ac current input : 05 a direct input, exceed 5 a signal is converted to current signal input whose full scale is 5 a by current transformer

    交流電流輸入： 05a直接輸入，超過5a由電流互感器變換成滿刻度為5a的電流信號輸入。
  14. Ac current input : 0 5a direct input, exceed 5a, current is transformed into current signal which full scale is 5a by current transformer to input

    交流電流輸入： 0 5a直接輸入，超過5a由電流互感器變換成滿刻度為5a電流信號輸入。
  15. Sectional specification : magnetic oxide ring cores for interference suppression and low level signal transformer applications ; german version en 125500 : 1996

    分規范.消除干擾和低頻信號傳輸用鐵氧體磁環芯
  16. Lightning protection transformer for railways signal system equipment

    鐵道信號設備雷電防護用變壓器
  17. Electromagnetic voltage transformer and capacitance divider are usually used to get voltage signal in power system

    目前電力系統電壓信號的採集，大多採用電磁式電壓互感器和電容式分壓器。
  18. The method of using microcontroller and multiplicative d / a transformer to simulate the signal of resolving - transformers and its hardware implement are introduced

    本文介紹了用單片機及乘法型d a轉換器模擬旋轉變壓器信號的方法及硬體實現技術。
  19. Sectional specification : magnetic oxide ring cores for interference suppression and low level signal transformer applications

    分規范:干擾抑制和低水平信號變壓器應用的磁化氧化環芯
  20. Harmonized system of quality assessment for electronic components - sectional specification : magnetic oxide ring cores for interference suppression and low level signal transformer applications

    電子元器件質量評定協調體系.分規范:干擾抑制和低級信號傳輸用環形氧化物磁芯
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