匹配變壓器 的英文怎麼說

中文拼音 [pīpèibiànyāqì]
匹配變壓器 英文
matched transformer
  • 匹 : Ⅰ動詞（比得上; 相當; 相配） be equal to; be a match for Ⅱ形容詞（單獨） lone Ⅲ量詞1. （用於馬、騾等） 2. （用於整卷的綢或布）
  • 配 : Ⅰ動詞1 （兩性結合） join in marriage 2 （使動物交配） mate （animals） 3 （按適當的標準或比例加以...
  • 壓 : 壓構詞成分。
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 匹配 : 1. [書面語] （婚姻配合） mate; marry 2. [電學] matching
  1. Variable voltage and variable frequency ( vvvf ) inverter control technology applied by ford passenger lift extends the utilization from the elevators drive system to the door machine system, plus its matching none link lever synchronous belt type door machine structure, it results in the more smooth sensitive and secure door open and shut. the passengers feel the doubled warmth in entering into and exiting the elevators

    福德乘客電梯所應用的變壓變頻（ vvvf ）逆變器控制技術，從電梯驅動系統延伸運用到了門機系統中，加上與之相匹配的無連桿同步帶式門機結構，使電梯門的開啟和關閉更加平穩、靈敏和安全，令進出電梯的乘客倍感親切。
  2. Drop passives : matching transformers 75 ohm to 300 ohm

    無源電壓降:匹配變壓器75ohm到300ohm
  3. Antenna matching transformator

    天線匹配用變壓器
  4. In the models, the iron core nonlinearly of the traction transformer and the magnetic hysteresis effect without the b - h curve are considered. having tested by digital simulation, the winding parameter has not changed in the state of external fault or magnetizing inrush etc. but the winding parameter has obviously changed in state of inter fault or inter - turn fault. ( 3 ) the rules three phases converted to two phases of traction transformer in electric railways are developed in this paper

    （ 3 ）利用牽引變壓器磁鏈平衡方程，建立了基於系統辨識理論的雙繞組單相接線牽引變壓器、阻抗匹配平衡牽引變壓器及scott （斯科特）接線牽引變壓器的「灰箱」模型，該模型考慮了牽引變壓器鐵芯非線性和磁滯效應，但又不直接反映在模型中，並且無需鐵芯的b - h曲線數據。
  5. At present, differential protection is often used as the main protection for traction transformers. however, the existing of certain factors, such as magnetizing inrush, over - excitation, ct saturation and mismatching of ct ratio, will result in that it is hard to distinguish state current and fault current, and differential protection misoperation or maloperation, then secure operation of electric railways system will be threatened

    目前，牽引變壓器通常採用差動保護作為主保護，但是在某些因數的影響下差動保護並不能準確的區分牽引變壓器內部故障或非內部故障，如故障電流與變壓器處于勵磁涌流、過勵磁， ct飽和及ct變比不匹配等情況下的狀態電流就很難準確的區分，可能造成保護誤動或拒動，從而危及整個鐵道電氣化系統的安全運行。
  6. The pwm control of duty cycles acts as an electric transformer which regulates the amplitudes of equivalent input voltage and equivalent output voltage, so that both positive and negative amplitudes of equivalent input voltage are equal to those of equivalent output voltage

    對器件占空比的pwm調節，相當于在電路中加入一個電子變壓器，使得輸入方波電源和輸出方波電源的正負電壓幅值分別匹配。
  7. The negative sequence current of impedance - matching balance transformer

    阻抗匹配平衡變壓器的負序電流
  8. At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency

    在平面工藝初期，由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配， sio _ 2對其又有良好的掩蔽作用，早被選為npn硅平面器件的理想基區擴散源，但b在硅中的固溶度大（ 1000時達到5 10 ~ （ 20 ） ，擴散系數小， b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈，導致器件不能滿足高反壓的要求，隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝，前者會引起較大的基區偏差，雜質在硅內存在突變區域，導致放大系數分散嚴重，下降時間t _ f值較高，熱穩定性差；後者需要難度較大的真空封管技術，工藝重復性差，報廢率高，在擴散質量、生產效率諸方面均不能令人滿意。
  9. Impedance - matching balanced traction transformers ( balanced transformers in this paper for short ) are step - down transformers, they transfer symmetrical three phase voltage in primary side to perpendicular two phase voltage in secondary side. they are different from any other transformers, so their short - circuit current analysis and short - circuit test method must be taken into special account

    阻抗匹配平衡牽引變壓器（本文中簡稱平衡變壓器）是一種將一次側三相對稱電壓變換為二次側二相垂直電壓的降壓變壓器，它不同於已有的任何一種變壓器，短路電流的分析計算和短路試驗必須予以重新研究。
  10. As a result, this paper gives a corresponding harmonic prevent me asure. finally, according to the asymmetrical characteristics of electrical traction loads, this paper studies the negative sequence currents under different loads and makes a piece of advice for reducing the negative sequence currents produced

    最後，還根據電力牽引負荷三相不對稱的特點，分析了阻抗匹配平衡變壓器在不同負荷條件下的負序電流，對如何減小電力牽引負荷的負序電流提出了一點建議。
  11. When the fault information of transformer is given, one can match the information to the rule sets of relative nodes. even when the data of dga are imperfect, the diagnosis results are correct

    用變壓器故障信息與知識庫中相應節點的規則集進行匹配，即使在氣相色譜分析數據不完備的情況下，也能得到正確的診斷結果。
  12. Good magnet - sheilding quality for multi - plugs it could be easily design multi out - put transformers. acording to different ferric oxide features, ranged from audio frequency to high freqency it could be designed appropriate transformers

    磁屏蔽效果特別好，線圈架備有多路插頭，能很容易地設計出多路輸出的變壓器，根據豐富的鐵氧體材料的不同性能，可以從音頻到高頻范圍內，設計出能夠匹配的各種變壓器。
  13. Because the harmonics in tangyin substation are primarily from electric traction loads, this paper gives the structures of several main locomotive models and general harmonics they produce. the harmonics produced by electric locomotive have a characteristic that their range and phase are both dispersive. this paper also analyzes the impedance - matching balance transformer ' s structure and harmonics injected into the power system at its primary side, and sums up the characteristics of the harmonics from electric traction loads in the tangyin traction substation

    鑒于湯陰變電站的諧波主要來自電力牽引負荷，本文列舉了電力機車幾種主要車型的結構以及它們產生諧波的概況，得出了電力機車的各次諧波電流幅值和相角具有較大分散性的特點。針對湯陰牽引變電站的牽引變壓器，分析了阻抗匹配平衡變壓器的結構及其高壓側注入電網的諧波，推導了有關計算公式。通過理論分析並結合湯牽線的實測諧波數據，歸納了電力牽引負荷注入湯陰變電站的諧波的特點。
  14. The transient simulation model of impedance - matched balancing transformers is established. the effect of transient model and equivalent circuit in calculation of steady short circuit current are compared

    摘要建立了阻抗匹配平衡變壓器的暫態模擬模型，比較了暫態模型和等值電路在計算穩態短路電流中的效果。
  15. Site partial discharge amp; amp; induction voltage endurance test method for yna impedance - matching and balanced - traction transformer

    阻抗匹配平衡牽引變壓器現場局部放電和感應耐壓試驗方法
  16. Finally, a compact uwb pulse source composed of pzt95 / 5 ferroelectric ceramic, a 50 coaxial transmission line charged by a pulse transformer, a peaking - chopping switch, a coaxial matched load and a pulse diagnostic system was built and tested, which can produce pulse voltage on a matched 50 load with peaking voltage of 100kv, rising time of 870ps, falling time of 670ps, and fwhm of 1. 410ns

    在上述工作的基礎上，我們研製了一臺以pzt95 5鐵電陶瓷沖擊去極化為能源的新型緊湊型脈沖發生器。該發生器由pzt9515爆電能源、空心脈沖變壓器、單同軸脈沖形成線、 pc開關、同軸匹配負載和脈沖診斷系統組成，能產生100kv 、上升前沿870ps 、后沿670ps 、脈寬1 4us的超寬帶脈沖。
  17. An inverter prototype is given in this chapter. load matching transformer and resonant capacitor are also discussed in chapter three

    給出了逆變器布局的結果、高頻匹配變壓器設計結果和高頻無功補償電容選型和實際參數。
  18. Based on the design theory of power amplifier, a wide - band power amplifier was designed successfully by the push - pull transistor, the feedforward technical of linearization, the matching circuits of transmission line transformers and microstrip, and ads simulation software

    根據寬帶功率放大器的設計原理，採用推挽結構晶體管，前饋線性化技術，傳輸線變壓器和微帶混和匹配電路，利用ads進行模擬設計，成功的設計出一款寬帶功率放大器。
  19. Study of relations between performances of products and impedance - mathching coefficient of balance transformers

    平衡變壓器阻抗匹配系數與產品性能關系研究
  20. The short circuit test method in this paper applies to balanced transformers, such as y / v impedance - matching balanced transformer and yna impedance - unmatching balanced transformers

    利用推導的短路試驗方法對一臺sf2 ? qy ? 25000 ? 110 27 . 5gy型阻抗匹配平衡牽引變壓器進行短路試驗，解決了工程實際問題。
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