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wlxwlx1026金蟲(chóng) (職業(yè)作家)
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[求助]
重金求翻譯成英文 好友摘要中一段 急求 在線等
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| 近年來(lái),隨著地鐵、艦船的興起以及高壓直流輸電工程的快速發(fā)展,我國(guó)的用電量逐漸增加,直流斷路器的需求也隨之增加。不同于普通斷路器,由于直流開(kāi)斷無(wú)自然過(guò)零點(diǎn),因此國(guó)內(nèi)外研究人員普遍采用人工過(guò)零的方法即在正;蚬收系闹绷麟娏魃席B加一個(gè)反向的高頻電流來(lái)創(chuàng)造過(guò)零點(diǎn),這種方法成為高壓電器領(lǐng)域研究的熱點(diǎn)之一。解決直流開(kāi)斷的根本就是熄滅直流電弧,因此須了解電弧熄滅過(guò)程中的形態(tài)及特點(diǎn),數(shù)字圖像處理技術(shù)的日趨成熟使之成為可能,利用高速攝像機(jī)對(duì)開(kāi)斷過(guò)程的電弧形態(tài)進(jìn)行記錄并進(jìn)行分析從而總結(jié)出直流電弧的相關(guān)特點(diǎn)。 |
木蟲(chóng) (著名寫(xiě)手)
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近年來(lái),隨著地鐵、艦船的興起以及高壓直流輸電工程的快速發(fā)展,我國(guó)的用電量逐漸增加,直流斷路器的需求也隨之增加。in recent years,along with the development of railway and ships as well as the fast development of D.C. high-voltage transmission, the electricity consumption are increasing gradually,thus demand of direct current breaker are increasing too.不同于普通斷路器,由于直流開(kāi)斷無(wú)自然過(guò)零點(diǎn),因此國(guó)內(nèi)外研究人員普遍采用人工過(guò)零的方法即在正;蚬收系闹绷麟娏魃席B加一個(gè)反向的高頻電流來(lái)創(chuàng)造過(guò)零點(diǎn),這種方法成為高壓電器領(lǐng)域研究的熱點(diǎn)之一。different from common current breaker, DC current breaker has no natural zero-crossing point.consequently,researchers at home and abroad commonly .....this method have been a hot topic in high voltage equipment. 解決直流開(kāi)斷的根本就是熄滅直流電弧,因此須了解電弧熄滅過(guò)程中的形態(tài)及特點(diǎn),數(shù)字圖像處理技術(shù)的日趨成熟使之成為可能,利用高速攝像機(jī)對(duì)開(kāi)斷過(guò)程的電弧形態(tài)進(jìn)行記錄并進(jìn)行分析從而總結(jié)出直流電弧的相關(guān)特點(diǎn)。... |

禁蟲(chóng) (文壇精英)
| In recent years, with the rapid development of subway, and the rise of the HVDC project, China's electricity consumption increases, the DC breaker demand increases. Different from the ordinary circuit breaker, due to DC breaking no natural zero, so the domestic and foreign researchers generally use artificial zero-crossing method is the DC current in normal or fault on the high-frequency current superimposed a reverse to create zero, this method has become one of the research focus in the field of high voltage electrical apparatus. Solve the fundamental DC interruption is extinguished arc, so must understand the forms and characteristics of arc quenching process, the digital image processing technology has matured to become possible, using high-speed camera to record the arc interrupting process and analysis and sums up the characteristics of DC arc. |
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