斷開電壓 的英文怎麼說

中文拼音 [duànkāidiànyā]
斷開電壓 英文
off voltage
  • 斷 : Ⅰ動詞1 （分成段） break; snap 2 （斷絕;隔斷） break off; cut off; stop 3 （戒除） give up; abstai...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 壓 : 壓構詞成分。
  • 斷開 : break; discon; disconnect; disconnection; interrupt; off; open; opening; switch off; throw off; t...
  • 電壓 : voltage; electric tension; electric voltage
  1. The design of rcd snubber and voltage feedback loop is introduced. finally, a 1kw prototype is researched and developed successfully to verify the operation principle of the combined converter

    該變換器中的開關管實現了在零電壓下關斷，而且其中兩個開關管在零電流零電壓下開通。
  2. Trip devices for ac and general purpose dc low - voltage power circuit breakers

    交流和通用直流低壓電力斷路器的斷開裝置
  3. High voltage shunt capacitor installation is comp - rised of capacitor cabinets or steel racks capacitor, special fuses for capacitor overload protection, capaci - tor discharge device, air - cored reactor which is applied to restrain surge current and high frequency harmonic, zno arrester without gaps for overvoltage - limiting and high voltage vacuum switch etc. capacitor cabinet is

    高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置專用放電線圈或電壓互感器，抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關
  4. 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。
  5. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發，提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲，在調制系數0 . 1 m 0 . 5情況下，控制移相角按正弦規律變化，使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號，經過整流、濾波、低頻逆變，從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  6. High - frequency link power converters are receiving increasing attention. when the input frequency of ac - ac converter is quite high, such as 20khz or above, in order to make sure the converter switching action is restricted to the zero crossing point of the link voltage, the switching cycle becomes discrete pulse spectrums, however, the conventional pwm converters are ruled out because they would fail either to the efficiency or the low - distortion criteria

    當交-交變頻器的輸入頻率非常高，通常為20khz時，為了在零電壓條件下實現逆變器開關管的通斷，變換器的開關時刻必須選擇在高頻交流電壓脈沖為零時，這意味著變換器開關時刻在時間軸上成為不連續的點，而常規的硬開關pwm變換器是將開關時刻選擇在任意時刻。
  7. Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv 7. 2kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component

    本產品是英國brush公司高壓限流熔斷器製造技術生產的，產品適用於戶內交流50hz ，額定電壓3kv 3 . 6 kv ， 6kv 7 . 2kv ， 12kv ， 15kv系統，並可與其它保護電器如負荷開關，真空接觸器配合使用，作為高壓電動機，電力變壓器及電力設備的過載或短路等保護元件。
  8. Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component

    本產品是英國brush公司高壓限流熔斷器製造技術生產的，產品適用於戶內交流50hz ，額定電壓3kv 3 . 6 kv ， 6kv 7 . 2kv ， 12kv ， 15kv系統，並可與其它保護電器如負荷開關，真空接觸器配合使用，作為高壓電動機，電力變壓器及電力設備的過載或短路等保護元件。
  9. Disconnectors, earthing switches and load break disconnectors with rated voltage 52 kv - coupling for hand operation of motor - operated mechanisms

    斷路開關接地開關和額定電壓等於或大於52kv的負載
  10. Conventional hard switching technology has several flaws below : on and off loss, inductive off, capacitive on and diode recover problems. comparing with it, the loss of on and off decreases markedly, as the switches are on and off in zero voltage or zero current cases. and also the size of converter becomes smaller because of the higher of switching frequency

    傳統硬開關技術由於存在開通關斷損耗大、感性關斷、容性開通、二極體反向恢復等問題，與之相比，軟開關技術在零電壓或零電流條件下導通，開關損耗明顯降低，加上開關頻率的提高使得變換器的體積得以減小，這也是軟開關技術受到青睞的原因。
  11. Igct which is developed from gto combines the advance features of both gto and igbt, with the advantages of high switching - off voltage, large turn - off current, high switching frequency, low losses, and high reliability

    Igct器件是從gto發展而來的，它結合了gto與igbt的優點，具有關斷電壓高、關斷電流大、開關頻率高、損耗小、可靠性高的特點。
  12. Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given

    主要對軟開關滯后橋臂和超前橋臂的零電壓開通、關斷過程，功率變壓器的工作波形及整流換流過程進行了詳細的模擬分析，並重點討論了逆變器的諧振電感、諧振電容以及負載變化對軟開關過程的影響。
  13. 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。
  14. The decaying voltages can be measured for a time after the current is switched off.

    在電流斷開后的一段時間里，可以測量到逐漸下降的電壓。
  15. In all interleaving two - transistor forward switches, zero voltage switching can be obtained which can apparently improve the power density. however the isolated boost converters need to resolve two problems

    但是隔離boost變換器需要重點解決兩個問題: 1 ）減小功率開關關斷時兩端浪涌電壓; 2 ）隔離boost變換器的起動。
  16. Jdy - 002 full frameless glass door electric bolt delayed time : 0s, 3s, 6s, 9s monitor output point no nc, automatically cut off the detection point after 14s when locked working voltage : 12vdc start current : 0. 85a, working current : 0. 25a features : voltage range : 9 15v with led, no noise bright silver cover left - opened type and right - opened type can be widen more than12mm dimension : 205 x 55 x 40mm weight : 1260g right - opened type left - opened type yiwu qimingxing computer company copy right

    Jdy - 002全無框玻璃門電插鎖此款為右開門此款為左開門可調試延時啟動時間： 0 3 6 9秒監視接點輸出no nc信號，門上鎖后14秒自動切斷感應點使用電壓12vdc ，啟動電流0 . 85a ，持續工作電流0 . 25a特點：具指示燈，無噪音適應電壓寬度9 - 15vdc可夾玻璃門寬度為12mm亮銀色面板，分為左右兩款外形尺寸： 205 x 55 x 40mm重量： 1260g
  17. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略進行分析，提出了給定參考矢量所在區間判斷的簡化方法，以及電壓矢量作用時間的求取方法；分析了電流滯環控制策略，推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系；應用瞬時功率理論分析pwm整流器功率控制原理，通過虛擬磁鏈估計有功功率和無功功率，用matlab實現了直接功率控制，並驗證了該控制方法的正確性。
  18. Results of study show that inception voltage of electrical tree, breakdown voltage, environmental stress cracking, tensile strength and elongation at break of low density polyethylene are improved after grafting

    研究結果表明：接枝聚硅氧烷后，改性的低密度聚乙烯的樹枝引發示性電壓、擊穿場強、耐環境應力開裂性、拉伸強度及斷裂伸長率都得到提高。
  19. After constructing a 35 - nanometer - high channel between two silica plates and filling it with potassium chloride saltwater, they demonstrated that voltage applied across this nanofluidic transistor could switch potassium ion flow on and off

    他們在兩片硅板之間製作35奈米高的通道，注入氯化鉀溶液，示範在這個奈米流體晶體管上施加的電壓可開啟或阻斷鉀離子流。
  20. The capacitor has advantages of low dissipation, high insulation resistance, good self - healing character, and steady electricity performance, anti - striking current, strong over - carrying capacity, etc. it is assembled sith inner hidden discharge resistance. it is applied in high or low pressure sodium lamp and mercury - arc lamp for the help of power factor compensation

    斷開電流允許時間：在0 . 5秒內的8個半周波前跳閘絕緣電壓ul1699第59節：線路與負載之間1000v ， 1分鐘
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