voltage current transformer 中文意思是什麼

voltage current transformer 解釋
變壓變流器
  • voltage : n. 【電學】電壓，電壓量，伏特數。 the working voltage （電氣的）耐壓限度。
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  • 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. In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis

    論文提出以輸電線路本端和對端電流、電壓、功率作為輸入量，導出了超高壓長線的波阻抗和傳播常數的數學解析式，在此基礎上進行了500kv輸電線路實時參數計算；提出以三繞組自耦變壓器的電流、電壓、功率為輸入量，導出了自耦變壓器繞組的電阻、電抗的線性解析式並進而對變壓器的實時參數進行計算；在此基礎上編制了相應的軟體。
  2. For the circuit - breakers of rated voltage 252kv up, the synthetic test methods are introduced according now condition because of the limitation of the transformer short - circuit capacity. the correlative prescribes on switching line - charging current in gb / t1984 - 200x " alternating - current high - voltage circuit - breaker " are discussed according to the test results and theoretic analysis

    由於開合空載架空線路試驗對電源側的阻抗有明確的規定，這就要求試驗電源必須具有足夠大的短路容量，實驗室很難滿足要求，因此，一般對較高電壓等級的斷路器採用合成試驗方法，本文介紹了利用現有條件，對252kv以上電壓等級的斷路器採用合成試驗時的試驗線路。
  3. Founded in june 1984 as the first to be designated to manufacture mutual inductors by the former ministry of machine - building and the ministry of electric power, the company became members of the divisions of both china electrial equipment industrial association and national transformer association earliest. the company mainly produces current / voltage mutual inductors below 35kv, which are in comformity with national standards gb1208 - 1997 current mutual inductor and gb1207 - 1997 voltage mutual inductor and adopt international standards iec44 current mutual inductor and iec60044 voltage mutual inductor

    公司成立於1984年6月，系原機械工業部、電力部首批定點互感器生產的專業廠家，是中國電器工業協會分會、全國變壓器分會首批成員單位，公司主要生產35kv及以下的電流、電壓互感器，產品符合國家標準gb1208 - 1997 《電流互感器》 、 gb1207 - 1997 《電壓互感器》 ，採用國際標準iec44 《電流互感器》和iec60044 《電壓互感器》 。
  4. Influence to the protection device of earth point of the secondary circuit of voltage and current transformer

    互感器二次迴路接地點對保護裝置的影響
  5. The characteristics : the unit is composed of high voltage parallel capacitor, serial reactor, switch ( disconnector, grounding switch, breaker etc. ), lightning arrestor, fuse, discharging coil, current transformer, insulator, busbar and steel bracket, includes two kinds of structure : frame type and cabinet type

    產品特點：裝置由高壓並聯電容器、串聯電抗器、開關（隔離開關、接地開關、斷路器等） 、避雷器、熔斷器、放電線圈、電流互感器、絕緣子、母排和鋼架組成，裝置有框架和櫃式兩種結構。
  6. Ppfc working principle, circular current and effects of clamping capacitor are studied in this paper in detail. because of the clamping capacitor, ppfc have some good features compared with ppc : reducing the fluctuate of the input current ; restraining the voltage spike of the power mosfet ; avoiding the bias - magnetic of the transformer

    由於箝位電容的加入，相對于推挽電路而言，該拓撲具備了一些獨特的優點：減小了輸入電流的脈動：削弱了開關管的關斷電壓尖峰；有效抑制了變壓器的偏磁。
  7. 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
  8. This type of combined transformer consists of two single - phase all - insulated voltage transformers and two current transformers, divided into two types ? oil - immersed type and dry type, its primary and secondary outlet terminals are led out respectively through insulating porcelain jacket, outside the transformer tank there is equipped with electric meter box, which can be installed integrally with the combined transformer or hung up separately

    本型組合互感器是由兩臺單相全絕緣的電壓互感器和兩臺電流互感器組合而成，分油浸式和乾式兩種結構，其一、二次出線端子分別通過絕緣瓷套引出，箱體外側配置電表箱，可與組合互感器一體化安裝，也可獨立懸掛安裝。
  9. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。
  10. In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given

    針對交流傳動電力機車的傳動特點，對其中的牽引變壓器的工作狀態進行了分析，指出交流傳動電力機車用牽引變壓器設計時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網壓波動大可能引起的過勵磁以及直流磁化等問題，同時給出了相應的一些解決方法。
  11. 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。
  12. In chapter 2, the nonlinear feature of iron core of transformer in switching power supply was studied. according to the characteristics of switching power supply, the topology structure of resonant converter was selected. the characteristics of out put voltage and current vs. frequency for the three kinds of resonant converter were analyzed and compared

    在第二章中，研究了高壓開關電源中高壓變壓器的非線性特性，選擇了諧振變換器作為高壓大功率開關電源的電路拓撲結構，並對三種形式的諧振變換器的電壓及電流頻率特性進行了分析比較。
  13. The sieries product is suitable for the system with current 50hz - 60hz and the rated voltage of 3. 6kv 40. 5kv. it can be matched with other protective electrical equipment vacuum connection, loading switch etc. it can also be used as the overload or short circuit protection parts for high voltage motor, transformer, voltage mutual inductance attenuator and other power equipment

    本系列產品適用於交流50hz - 60hz ，額定電壓3 . 6kv 40 . 5kv系統，可與其它保護電器如真空接觸器，負荷開關等配合使用，作為高壓電動機電力變壓器電壓互感器及其它電力設備的過載或短路保護等元件。
  14. In this paper, the working principle of the interleaving two - transistor forward converter is analyzed in detail, and the waveforms of the switch drain - to - source voltage and transformer magnetizing current are researched in different duty cycle conditions. the simulation model is constructed and the simulation results verify the analysis

    本文分析了交錯並聯雙管正激變換器的工作原理，研究了在不同占空比條件下開關管的漏源電壓和變壓器勵磁電流波形，建立了模擬模型，模擬結果證明理論分析的正確性。
  15. The meter adopts digital synchronous sampling and micro technology to accurately measure true rms of transformer ' s primary voltage, current, power, power factor, true rms ( ac ) or average ( dc ) of secondary voltage and current, true rms of secondary voltage ripple

    該系列儀器採用數字同步采樣及微機技術，能準確測量變壓器的初級電壓、電流、功率、功率因數的真有效值，次級電壓、電流的真有效值（交流）或平均值（直流） ，次級電壓紋波的真有效值。
  16. The vector relation among voltage, current and magnetic potential in phase shift regulating auto - transformer are analyzed. the parameter algebraic relation and the winding magnetic potential relation are gained

    摘要分析了自耦調壓移相變壓器的電壓、電流、磁勢相量的關系，得到了各參數間的代數關系及各繞組的磁勢平衡關系。
  17. The technical requirements of the active electronic current transformer are described, and total designs on electronic circuit and integrated configuration are finished in this thesis. an experimental apparatus of electronic optic current transformer is manufactured in actual scale with 220 kv of rated voltage and 600 a of rated current

    本論文對整個系統的各個部分提出了技術要求，並對電子線路的設計進行了總體規劃，設計了整機的結構方案，研製出了這種新型的有源電子式電流互感器的樣機。
  18. Lead the team to do the research on insulation materials, inner insulation technology of large - scale electric power equipment including transformer, reactor, capacitor, voltage and current transformer, and fundamental theory study

    帶領團隊從事絕緣材料、變壓器/電抗器/電容器/互感器等大型電力設備內絕緣技術及基礎理論研究等。
  19. Being the import unit of the distribution automation system, the transformer terminal unit namely ttu, samples ac input ( such as voltage, current and so on ) and state ( for example : switch state ) and executes remote control command ( open operation or close operation ), ttu supervise the action of transformer, so it guarantee the security of das ( distribution automation system ) this paper is mainly based on the study of transformer terminal unit based on msp430f449 scm, the work of this paper includes : first, introduces the design of the hardware system and the software system of ttu, the core mathematical principle, and then, discusses the implementation of the communication protocol : iec870 - 5 - 101 and i2 c in detail

    配變監測終端ttu （ transformerterminalunit ）是配電自動化系統中的重要部分，在系統中完成採集模擬量（電壓、電流等）和狀態量（如開關狀態） ，以及執行遙控（開、合操作）操作等功能，實現對配電變壓器的實時監測，保障配電系統的可靠運行。本文主要研究了基於msp430f449單片機的配電監測終端的實現，較詳細地介紹了系統的硬體設計、軟體設計、核心演算法，介紹了通訊規約iec870 - 5 - 101和i ~ 2c的實現。
  20. Active electronic current transformer is a new type of high - voltage apparatus for current measurement of power system, which is a complete combination of optical electronic technology with fiber optic sensing technology

    電子式電流互感器是利用光電子技術和光纖傳感技術來實現電力系統電流測量的新型互感器。
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