跳閘電流 的英文怎麼說

中文拼音 [tiàozhádiànliú]
跳閘電流 英文
break current
  • : 動詞1 (腿用力彈起) jump; leap; skip; bounce 2 (彈力使物體突然向上移動) spring; leap 3 (一起...
  • : anchor gate
  • : 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...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. After analyzing several kinds of protection for feeder line in subway dc traction power supply system, it is pointed out in the paper that the phenomena of refusing action and error action can not be avoided with existing protection which can not protect the whole feeder line

    摘要分析了地鐵直牽引供系統中幾種常用的饋線保護類型,發現現有的保護方法很難避免保護拒動或誤動現象的發生,並且不能保護饋線的全長。
  2. Ih = hold current - maximum current at which the device will not trip at 23 still air

    維持,指在23度靜止的空氣環境中不會導致該設備『』的最大
  3. Minimum trip for phase, ground and sensitive ground faults

    相間,接地和靈敏接地故障的最小跳閘電流
  4. Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system

    統一潮控制器( upfc )是功能最強、最具發展潛力的靈活交系統( facts )控制器之一,如果在常規條件下,用upfc實現輸線路的壓調節、移相、潮控制、阻尼振蕩等功能,在發生單相永久性接地或單相斷路故障時,由傳統的三相改為單相,用upfc的並補來濾除兩端系統的零序和負序,用upfc的串補來提高輸線的傳輸功率,以實現兩相長期運行,那麼輸系統的穩定性、可靠性將大大提高。
  5. Measuring of lightning parameters is the base work of lightning research. it is very important for researching the lightning characteristics, analyzing the accident of lightning, identifying the responsibility of lightning strike outage accident and discussing the strategies of lightning protection. it also can provide precise original data of atmosphere over - voltage for designing insulation co - ordination

    參數的測量是進行雷研究的基礎工作,對于研究雷特性、分析雷害事故、鑒定雷擊事故責任、探討防雷對策及為絕緣配合設計提供精確的大氣過壓原始數據均具有十分重要的意義。
  6. According to recording data of higher level monitor and control system when main motor drive system for four - high medium plate mill is operated, and relation between armature voltage of dc electromotor and ac input voltage of inverter, trip cause of dc fast automatic switch was analyzed in detail, and specific countermeasure and measures are given

    根據中板四輥軋機主機傳動系統運行時的上級監控系統記錄數據,以及直壓與變器交側輸人壓的關系,詳盡地分析了直快速自動開關故障原因,並提出具體的對策及措施。
  7. 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

    斷開允許時間:在0 . 5秒內的8個半周波前絕緣壓ul1699第59節:線路與負載之間1000v , 1分鐘
  8. It = trip current - minimum current at which the device will always trip at 23 still air

    維持,指在23度靜止的空氣環境中不會導致該設備『』的最大
  9. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將、合線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路分斷次數,計算每次分對應的觸頭壽命損耗,預測觸頭壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷間接計算主觸頭迴路的阻;在硬體路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作壓晶元之間的介面問題,並給出了直接聯接的接線方案。
  10. Obtained by emtp program and the egm, this paper studies on lightning protection performance on 500kv double circuit transmission line the distributed parameter model of tower is built when analyzing the back stroking lightning protection performance for double circuit line, it can truly reflect the spreading course of lightning current on the tower, furthermore, considering the randomness of working voltage ' s phase when lightning strokes the top tower and supposing the probability of lightning appearing arbitrary phase in a cycle of ac is equal, this paper brings forward the statistical method to calculate the rate of back stroking on double circuit line

    本文利用emtp程序、擊距法對500kv同桿雙回線路的耐雷性能進行了研究。在分析同桿雙回線路的反擊耐雷性能時,建立了桿塔的分佈參數計算模型,此模型可以真實地反映雷在桿塔上的傳播過程。並針對雷擊塔頂時,導線運行壓相位角的隨機性,本文假定雷擊出現于交一周期的任一角度區間內的概率相等,提出了利用統計法計算同桿雙回線路的反擊率。
  11. The reclosers are designed for three phase automatic or manual trip operation providing overcurrent protection for systems rated up to 38kv maximum, 800a continuous, and 12. 5ka rms symmetrical interrupting

    重合器的設計是三相自動或者手動,可以提供額定壓達38kv , 800a持續, 16ka對稱故障系統過保護。
  12. For fire grounding, grounded impedance varies greatly because of air dissociation, and this causes protection set to startup and resume again and again. therefore, the main protection of the fault line ca n ' t cut off the fault quickly and accurately, and may lead to overstep tripping of near lines " protection sets and eventually cause more serious faults on the power system

    同時故障一般比較小,突變也很小,有時呈緩慢上升的變化趨勢,對火焰接地來說,由於空氣游離的緣故,接地阻抗變化很大,使現有保護反反復復啟動、恢復,可能會導致相鄰線路、設備的保護越級,使力系統出現更嚴重的故障。
  13. The nearby fault can be cleared immediately while the distant fault can be cleared with a delay by using the proposed method which will not be influenced by the starting current of trains

    該方法有效地避開了列車啟動的影響,不但可以迅速切除近端的短路故障,而且通過延時還可以切除遠端短路故障。
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