試驗用變壓器 的英文怎麼說

中文拼音 [shìyànyòngbiàn]
試驗用變壓器 英文
testing transformer
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • : 壓構詞成分。
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 試驗 : trial; experiment; test
  1. Ch400 transformer coulometer can be widely applied in test on production line of small manufacturer of transformer or rectifier power or in labs

    Ch400電量測量儀系列可廣泛於各種小型或整流電源等廠家的生產流水線測,實等場合。
  2. The calculation method using in factory has larger error and is n ' t used in high ignition point oil transformer. in this paper a calculation method, which has been verified by experiment results, is presented based on the fundamental theories and rule equation of heat transfer to calculate the temperature rise of average oil, top oil, coil, core and hot - point. a program has been compiled

    本課題立足於工程實際應,根據傳熱學基本原理和經典換熱準則式,通過對發熱冷卻原理進行分析和研究,提出了一套計算平均油溫升、頂油溫升、繞組溫升、鐵芯溫升和最熱點溫升的計算方法並編制了計算軟體,對影響溫升的因素進行了分析。
  3. Fluids for electrotechnical applications. halogenous isolating liquids for transformers, other than pcb. general. test methods. specifications

    電工技術流體.除pcb外,liht的鹵化絕緣液.總則.方法.規范
  4. Aeronautical ground lighting electrical installation - isolating transformer - equipment specifications and tests

    航空地面照明電氣設施.隔離.設備規范和
  5. Three phase oil - immersed distribution transformers, 50 hz, from 50 to 2500 kva with highest voltage for equipment not exceeding 36 kv - requirements and tests concerning pressurized corrugated tanks

    最高電不超過36kv的設備50hz 50 2500kva三相油浸式配電.關于加波紋罐的要求和方法
  6. Cascade testing transformator

    級間
  7. Knowledge of transformer and inductor principles and applications. well know related standards and qualification tests

    熟悉高頻、電感工作原理及應;了解相關國際標準及資格證測
  8. By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source

    通過模擬結果與軟開關點焊逆結果的對比分析,得到了如下主要結論:採輔助網路可以完全拓寬全橋軟開關逆的滯后橋臂軟開關范圍,減小了次級占空比丟失,降低了逆電阻點焊電源的開關損耗;諧振電容是影響軟開關工作狀態的重要因素,其大小不僅影響開關管的零電關斷,同時也影響開關管的零電開通范圍,因此,諧振電容應該綜合考慮;功率漏感越大,越容易滿足滯后橋臂的軟開關條件,但是大的漏感也使的通態損耗增加,降低了軟開關逆的效率。
  9. Gb1094. 5 - 85 power transformers part 5 ability to withstand short circuit only applies to power transformers, not to balanced transformers. if short - circuit test on balanced transformers can be performed by means of single phase supply instead of three phase supply, and other special transformers can also be done in this way, so it is very significant to improve test capacity of transformer laboratory in our country

    的短路強度只能通過短路證,國家標準gb1094 . 5 - 1985 《電力第5部分承受短路的能力》只適於電力,對平衡等特殊並無具體規定,對于平衡,如果可以單相電源預先短路法模擬三相電源的短路,那麼其它特種的短路也可以參照進行,這對提高我國室的能力具有重要意義。
  10. Trial - use standard of performance and test requirements for instrument transformers of a nominal system voltage of 115 kv and above

    標準系統電為115kv及以上的儀表性能和要求的標準
  11. This paper introduce, now in electrical system, the high - voltage tests include part - charge test for transformer, ac withstand voltage test for transformer, ac withstand voltage test for switch, ac withstand voltage test for hv cable, when the tests is on, the power sup - - ply will be too poor

    文中就當前電力系統中的一些現場高所面臨的電源問題,這些包括的局部放電和交流耐、高開關、高交聯電纜、 gis等的交流耐,提出採新型頻電源對高設備進行測
  12. General technical specification of high voltage test devices part 3 : non partial discharge testing transformer

    裝置通技術條件.第3部分:無局放
  13. The ideas on vectorgram of potential distribution in induced overvoltage withstand test are put forward. based on some induced overvoltage withstand test methods, the potential distribution vectorgrams are drawn

    摘要對感應耐電位分佈相量圖提出了自己的見解,並結合幾種常的感應耐方法,畫出了相應的電位分佈相量圖。
  14. The method of changing the transformer ' s ration and power regulating voltage are used in order to yield various levels of testing current accurately and quickly

    中,為了快速準確的產生不同等級的電流,採比與電動調相結合的方法。
  15. The measurement of dielectric loss and volume resistivity is effective preventive tests to judge insulating oil isolation status of polluted and aging, and it ' s important method of ensuring the safe operation of transformer and oil - filled circuit breaker, etc. however, the measuring systems of insulating oil dielectric loss and volume resistivity used at present exist the shortcoming of low accuracy, weak repeatability, inconvenience, and its thermostatic control system ca n ' t meet the challenge

    絕緣油的介質損耗因數、體積電阻率測量,是判斷絕緣油的劣化與污染程度的有效預防性,是保障、油斷路等充油電力設備安全運行的重要手段。然而,目前所使的絕緣油介質損耗因數、體積電阻率測系統存在著測量精度低、測量結果重復性不好、控溫系統不能滿足控溫要求、操作不便等缺陷,針對這一現狀,本文對絕緣油介損及體積電阻率一體化測系統進行了研究。
  16. General technical specification of high voltage test devices part 4 : triple - frequency test transformer

    裝置通技術條件.第4部分:三倍頻裝置
  17. This paper study a two - phase inverter - fed induction - motor drive, which can be widely used for low - power, variable speed drive system. the study has completer the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use. it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of singlechip controller, power drive device, inverter - fed device, a low power tow phase induction motor and safeguard circuit

    本文研究了一種新型電空間矢量控制兩相逆?異步電動機的頻調速系統,該系統可以廣泛應於小功率、寬調速運行的場合。本項研究完成兩相逆的設計,並組成了的兩相逆?異步電動機系統。系統是一個轉速開環的頻調速系統,由單片機機控制電路、功率驅動電路、逆主電路、保護電路組成。
  18. The results of test indicate that it is possible to judge whether occurring fault on winding and even which phase by parameters " change

    對現場數據的應結果表明,該方案能判斷出是否發生輕微故障以及故障發生在哪一相。
  19. Research and summary for stray losses and overheating control on metal parts caused by leakage flux of transformer has been given by author in this article through a lot of tests on site, meanwhile, the analysis has been given by electrical - magnetic theory also

    本文運電磁學理論,通過進行大量探索性,研究並總結出如何控制由於漏磁引起的附加損耗以及金屬構件中的溫升。
  20. Aerospace series - elements of electrical and optical connection - test methods - part 704 : electrical elements - measurement of turns ratio on a transformer used in a coupler

    航空航天系列.電氣及光學連接元件.方法.第704部分:電氣元件.耦合的匝數比測量
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