自冷變壓器 的英文怎麼說

中文拼音 [lěngbiàn]
自冷變壓器 英文
self cooled transformer
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 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
  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

    該演算法適用於然油循環然風卻和吹風卻的情況以及卻流體為常規油或高燃點油的情況。
  2. Due to the low mechanical efficiency and long circulating period of the down - charging system of cold bed in bar production line, this paper puts forward the improving project, which adopts ethernet supplemented by dp network, applies the fm350 - 2 advanced counter and suitable maths model and combines the technique of the transducer and hydraulic pressure drive control to realize auto - control

    摘要針對棒材生產線上床下卸鋼系統機械效率低、運行周期長,不能適應快節奏生產的現狀,採用以工業以太網為主、 dp網為輔的網路通訊,應用西門子fm350 - 2高速計數,通過有效的數學計算模型,結合和液傳動控制技術,實現網路動化控制。
  3. All those series of surface treating agents are widely used in manufacturing cars, tractors, motorcycles, bicycles, building machines, transformers, transducers, and mechanical and electrical appliances - before the finishing of these products. they are also used in drawing of steel wires and tubes, in cold rolling and acid pickling of steel articles

    本公司生產製造金屬表面處理劑的系列產品除油劑除銹劑表調劑磷化劑鋁合金清洗及氧化劑等,該系列產品廣泛用於汽車行業拖拉機行業摩托車行車工程機械換熱機電產品家用電及其他機械產品的塗裝前處理,鋼絲鋼管的拉拔鋼鐵軋酸洗等。
  4. The sprayer is usually connected with water supply network, control value, detection alarm unit, etc. to form an automatic water spray system ( such as sprinkler fire - extinguishing system ) for saving electrical equipment, fighting burning flammable liquid, etc. it is widely used for fire control and cooling protection for such equipment / places as power plant * generating machinery, large size transformer, liquefied petrolatum tank, factory, shopping mall, hotel, warehouse, storied building and so on

    該水霧噴頭通常與供水管網、控制閥門、控測報警等組成動噴水滅火系統(如雨淋噴水滅火系統等) ,用來撲救電氣設備,可燃液體火災等,廣泛用於保護電廠的發電設備,大型,液體石油儲罐、工廠、商場、賓館、倉庫、樓房等必須滅火、控火或防護卻等場所。
  5. By analyzing the mechanism of boiling heat transfer and pool boiling, the model of evaporative cooling transformer, on which pool boiling heat transfer experiment has been finished, was designed and made

    通過對沸騰換熱機理和大容沸騰換熱的分析,提出了蒸發製模型,並在該模型上對行研製的全氟三乙胺進行了大容沸騰換熱實驗。
  6. Standard requirements for pad - mounted, compartmental - type, self - cooled, three - phase distribution transformers, 2500 kva and smaller : high - voltage, 34 500 grdy 19 920 volts and below ; low voltage, 480 volts and below

    底座安裝的隔室型式三相配電2500 kva及更小:高34500 grdy 19920伏及以下低480伏及以下的要求標準
  7. The shahe pumped - storage power station with two 50mw reversible units has been in good conditions on general since it was put into operation, but there still were some defects, such as the failure of unit ' s contemporaneous device, the insufficient cooling water discharge and pressure, and the failure of static frequency converter and excitation overcurrent

    摘要沙河抽水蓄能電站兩臺50mw可逆式機組投運以來,總體情況良好,但是也出現了一些缺陷,如機組同期裝置故障,機組卻水流量或力不足,靜止故障,勵磁過電流故障等。
  8. And about 80 % of these transformers use natural oil circulation. more and more large power transformers used to using by pump and fan are cooling by onan for economy and environment protecting

    目前電網上運行的電力大部分為油浸式,其中80以上是採用然油循環的卻方式。
  9. The cooling method of nature oil circulation is not only widely used in small - middle type power transformer, but also used in large type power transformer with low load and low ambient temperature

    然油循環的卻方式不僅廣泛應用於電力網中的中小型電力,也會在在大型電力低負荷和低環境溫度時應用。
  10. So it is very important for qing ' an, a domestic manufacture of compress which can do the r & d work of compressor and controller of rac by itself, to catch up with the world trend in such area. also it will do great help to increase the quantity of production line and the shipment of qing ' an if qing ' an can make the inverter controller for air conditioner by itself

    慶安製作為國內唯一擁有主知識產權的空調縮機生產商,是否應該利用身的技術優勢在短時間內進行交、直流頻控制縮機的批量生產,以達到穩固已有縮機市場、拓展產業種類的目的,是擺在慶安製面前的一個緊迫問題。
  11. Unlike inverters for general purpose, auxiliary inverters of subway vehicle have the characters of high power, wide range of high dc input voltage, entirely sealed electronic units and natural cooling. single pulse width modulation ( pwm ) technology is found to be optimal by comparing several different high power inverter technologies and is utilized in the 2 - channel staircase inverter discussed in this thesis

    針對地鐵車輛輔助逆電源的大功率、直流側輸入電高且化范圍寬、輸出電穩定且波形質量高,電子部件全密封且要求卻的特點,分析比較了幾種大功率逆技術方案,選擇單邊脈寬調制階梯波合成逆為研究對象。
  12. On this basis, fortran program is written to solve temperature and velocity fields in transformer. by using this program we can calculate total flow, duct flow, mean temperature rise of transformer oil, oil time constant, mean oil temperature rise in each winding - coil, temperature distribution in each winding - coil, and stable / transient state temperature field. so this program has a great use value

    在此基礎上,我們編制了計算然油導向卻的具有餅式線圈流場和溫度場的fortran程序,程序可以對總油流量,進入各相、各油道的油流量,各線圈內的油流分佈,的油平均溫升,油的時間常數,各線圈的平均線油溫升,各線圈內的油溫分佈以及各線圈的穩態溫度場、暫態溫度場進行定量模擬,具有較強的實用價值。
  13. This paper discusses the numerical simulation model, in which nonsteady three - dimensional temperature field in large oil - immersed self - quenched transformers is the main object

    本文以大型油浸式三相( sfz9 - 20000 / 110 )的三維非穩態溫度場為研究對象,討論了運行過程中溫度場的數值模擬模型。
  14. Underground - type, self - cooled, single - phase, distribution transformers with separable insulated high - voltage connectors ; high voltage 25 000 v and below ; low voltage 600 v and below ; 167 kva and smaller

    有可分離絕緣高連接的地下型式單相配電:高25000v及以下低600v及以下167kva及更小的
  15. 24940grdv 14400v 240 120v, 167kva transformers - underground - type, self - cooled, single - phase distribution transformers with separable, insulated, high - voltage connectors ; high voltage 24 940 grdy 14 400 v and below and low voltage 240 120 v, 167 kva and smaller

    .帶可分離絕緣高連接的地下型式單相配電.高
  16. 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級樹脂澆注式乾式的高、低線圈的平均溫升,內部溫度分佈和時間常數在和風,兩種卻方式下隨負載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的熱設計的依據和對現行標準進行修改的參考。
  17. Transformer with natural cooling

  18. Cooling by radiation

  19. 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作為核心控制件的大型控制系統的原理和實現方法,根據負荷、季節等化,通過模糊神經網路調節動投切組數以及是否進行頻運行。
  20. 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

    系統:卻條件( an )下,可在額定容量下長期安全運行,強迫空氣卻( af )時,按容量大小相同,可增容40 ~ 50 % 。
分享友人