風冷變壓器 的英文怎麼說

中文拼音 [fēnglěngbiànyāqì]
風冷變壓器 英文
air cooled tra former
  • 風 : Ⅰ名詞1 （空氣流動） wind 2 （風氣; 風俗） practice; atmosphere; custom 3 （景象） scene; view 4 ...
  • 冷 : Ⅰ形容詞1 （溫度低; 感覺溫度低） cold:冷水 coldwater; 你冷不冷? do you feel cold?; are you feeling...
  • 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
  1. The program is the same with onan and onaf. the temperature rise of high ignition point oil transformer also use the program. some factors are analysed to influence temperature rise of transformer

    該演算法適用於自然油循環變壓器自然風冷卻和吹風冷卻的情況以及冷卻流體為常規變壓器油或高燃點油的情況。
  2. For the existing transformer cooling control system has many shortcomings such as the complicated system control circuit, the low reliability, the protection methods of blower fan being so simple, large control error, high fault rate, massive maintenance work and no method to realize telecommunication, this thesis develops a novel intelligent power transformer air - cooled control system based on the center of microprocessor through all - round technology analysis and research

    本文針對變壓器冷卻系統使用常規控制系統存在的系統控制迴路復雜、可靠性低、風機的保護方式簡單而無法進行故障預測、主變壓器油溫測量精度低造成控制誤差大、故障率高、維護工作量大、無法實現遠程通訊等問題，經過多方面的技術分析和調研，設計開發了新型的以微處理器為核心的智能式電力變壓器風冷卻器控制系統。
  3. Transverse - flow type ventilators for dry - type transformers

    乾式變壓器用橫流式冷卻風機
  4. The suitable oil flux during the circulating of transformer could be defined according to the difference of temperature between the oil and wind in the inlet and the cooling capacity of the wind cooling system ; besides the oil flux can be determined by ultrasonic, it can be estimated whether the oil is flowing equably by determining the oil flux in the branch pipes ; reducing the oil flux of the oil pump could be realized by controlling to change its frequency, which could not only save the energy, reduce the wastage, but benefit the transformer ' s circulating safely

    變壓器運行中可根據進口油溫和進口風溫之差、風冷卻器的冷卻容量來確定合適的油流量；油流量可以通過超聲波法進行測量，測量油的分管流量還可判斷油流的均勻情況；降低潛油泵流量可通過潛油泵的變頻控制來實現，不僅節能降耗，對變壓器的安全運行也有著重要意義。
  5. The research results show that the counter - flow condensers have a better performance than that of other arrangements in single - circuit condensers, and that branch flow should be adopted in multi - rows condensers to decrease the pressure drop and increase the heat transfer capacity, and that the influence of gravity force can not be ignored, and that there must be an optimum refrigerant mass flow which can make the condenser perform best when the air velocity is constant while there must be an optimum air flow which can make the condenser perform best when the refrigerant mass flow is constant

    研究結果表明，單迴路冷凝器中，逆流布置換熱效果最好，叉流其次，順流最差；多排管冷凝器應盡可能採用分流方式，以減小壓降，增強換熱；布置冷凝器流程時，重力的影響不可忽略；當風量不變時，必然存在一最佳製冷劑流量使冷凝器性能達到最佳；當製冷劑流量保持不變時，也相應存在一個最佳風量使冷凝器性能最佳。
  6. By close study on the average temperature rise, temperature distribution, and tune constant of the class f resin dry type power transformer ' s high voltage and low voltage winding under self - cooling and wind - cooling mode, we find out the connection between the variation of the load and the items, mentioned above. the results of the experiments can be reference to both thermal design optimization of dry type power transformer and the revision of current standards. meanwhile, we develop the software, which can predict the overload ability of the dry type power transformer

    本文對f級樹脂澆注式乾式變壓器的高、低線圈的平均溫升，內部溫度分佈和時間常數在自冷和風冷，兩種冷卻方式下隨負載變化的規律進行了研究，得出了平均溫升、熱點溫升和時間常數隨負載變化的相互關系和有關計算用參數和公式，試驗結果可作為改進乾式電力變壓器的熱設計的依據和對現行標準進行修改的參考。
  7. Air cooled transformer

    風冷變壓器
  8. Specifications for transformer cooling fans ' 3 phase asynchronous motors

    變壓器冷卻風扇用三相異步電動機技術條件
  9. This paper analyzed the current situation of cool control system of transformer in substation and presented a new cool control system in which the traditional switch was replaced by solid state relay ( ssr )

    本文分析了變電站主變壓器風冷控制的現狀及存在的問題，提出了採用固態繼電器（ ssr ）代替傳統的交流接觸器，實現變壓器無觸點風冷控制的解決方案。
  10. This paper introduces the principle and method of forced - air cooling system of transformer controlled by dsp, according to the season and load of transformer, the designed system can automatically accomplish frequency conversion and the cooling device ' s devotion by fuzzy - neural network controller

    摘要介紹了以dsp作為核心控制器件的大型變壓器風冷控制系統的原理和實現方法，根據變壓器負荷、季節等變化，通過模糊神經網路調節器自動投切冷卻器組數以及是否進行變頻運行。
  11. The transformers can be cooled by air naturally ( an ) or forced air cooling ( af ). cooled by an, transformers can oprerate up to 100 % of its rated output. in af mode, output can be increased by 40 50 % of its rated output

    風冷系統：變壓器在自然冷卻條件（ an ）下，可在額定容量下長期安全運行，強迫空氣冷卻（ af ）時，變壓器按容量大小相同，可增容40 ~ 50 % 。
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