母線電路 的英文怎麼說

中文拼音 [xiàndiàn]
母線電路 英文
bus circuit
  • : Ⅰ名詞1 (母親) mother 2 (泛指女性長輩) one s elderly female relatives 3 (配套的兩件東西里的凹...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 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...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. So it is worth to researching the problem that how to rationally distribute generatrix, vacuum interrupter and other electric organs to make the better insulation cooperation and the design requirement with the highly reliable insulation property so that we can assure that the metalclad withdraw switchgear run safely in the distribution system and have smaller installation space

    因此如何能夠合理的配置、真空斷器及其它器元件,得到較佳的絕緣配合和設計要求,具有高度可靠的絕緣性能,保證中置櫃在配系統中安全運行,並且有較小的安裝空間,是一個值得研究的問題。
  2. The mutual inductor of electric current and voltage mutual inductor play an important role in relay protection. prevent from ct differential to protect and miss movement an important subject that the generatrix is protected on the saturation, put forward two electric current pass zero hour linear to spread person who become put into differential to protect in ct in recent years, avoid ct saturation district, can judge the bus bar trouble correctly

    但是在區外發生短故障(特別是故障流含有大量非周期分量)時, ct會出現飽和現象, ct飽和后,不能正確地傳變一次側流,從而使二次流發生嚴重畸變,產生很大的差流,這樣就容易引起誤動作。防止ct飽和時差動保護誤動作一直是保護的一個重要課題,近年來提出的在ct二次流過零時的性傳變區投入差動保護,避開ct飽和區,能對故障做出正確判斷。
  3. Moreover, an improved method is proposed for the phase current reconfiguration on the basis of the direct current circuit

    提出了一種改進的基於直流迴流的相流、相壓重構方法。
  4. With an aim at this problem, this paper suggests the modulation scheme with dc bus voltage ripple by using the front - end active power factor correct circuit based on the analysis of necessary conditions of producing acoustic resonances

    針對這一現象,在分析產生聲諧振的必要條件的基礎上,重點提出了利用前級有源功率因數校正的直流脈動壓的調制方案。
  5. Furthermore, it is very important that improve the autoimmunization of substation without watch - keeper. in the design of substation, we predigest main wiring with a minitype base and adopt simple wire - connection : dule t type is used in 66kv side, segmented single bus - bar with hospital bus - bar is used in l0kv for major load

    在該無人值班變所的設計中,以小型化模式為基礎,簡化主接: 66kv側採用雙t接方式,正常時雙雙變壓器分列運行; 10kv側由於饋較多,負荷較為重要,因此採用單分段帶旁方式。
  6. After electric heating system is installed, check electrical insulation of all circuits. the insulation resistance between generatrix and shielding layer, core wires of series cable before connection at end not be less than 20 m. and then check if dc resistance of circuit is normal and phase resistance is banlance

    伴熱系統安裝完工後,應逐檢查系統的絕緣阻:各種熱帶與屏蔽層之間、串聯帶芯尾端末短接前的各芯間絕緣阻均應不小於20m ;然後再檢查熱帶直流阻是否正常,三相阻是否平衡。
  7. Based on the seismic reliability analysis of double - bus configuration system, the seismic reliability analysis of double - bus with auxiliary bus configuration is discussed in this paper

    在雙系統抗震可靠性分析的基礎上,進一步討論了高壓變站另一種重要接形式? ?雙帶旁系統的抗震可靠性分析問題。
  8. While with the super hige voltage power network gradually built and the structure of system becoming more complex, the calculation time of optimization increases when the number of buses that need reactive power compensation is relatively large. especially, when the positions of compensation are uncertain, selecting the position of compensation can reduce time when reactive power optimizing

    而且隨著超高壓網的逐步形成,系統結構日趨復雜,需要安裝無功補償設備的比較多的時候,優化計算所需的時間將加長;尤其是在網補償位置不確定的情況下,無功補償點的選擇就成為無功優化計算前節約時間的有效措施。
  9. A complete solution provided by schneider electric to be involved in this project at the upstream phase, schneider electric supported the main oem & contractors as a team work. as a key supplier, schneider electric provided the mv, lv components, transformers, plc, speed driver, push buttons, contactors, relays, miniature circuit breakers, switches and so on

    作為主要的氣及自動化產品供貨商,施耐德氣公司提供了中壓環網櫃、低壓空氣斷器、容器、乾式變壓器、配及照明、可編程式控制制器、變頻器、軟起動器、接觸器、繼器、開關、按鈕及指示燈等等。
  10. The study bases on the four operating conditions of which the longnan network will be implemented in the year of 2005 and 2010. first, this paper calculates the power flow distribution that including the line charging reactive power and input of the low - voltage shunt reactor in chengxian s / s. assumed that the bus voltage of tianshui s / s and bikou power plant to be constant, the study count the voltage level of the 330kv and 220kv bus - bar when the 330 / 220kv transformer in standard tap changer position. in order to set control rules

    本文基於隴南網在規劃發展水平年2005年及2010年的四種可能的運行方式下及潮流條件,計算出了計入無功及投入成縣變低壓並聯抗器后的潮流分佈,在設定甘肅大網側及碧口廠側壓恆定條件下,計算了330kv及220kv主變在有載調壓標準分接頭變比下的330kv及220kv壓水平。
  11. A novel topology of dc - rail zvt voltage source three - phase pwm inverter is advanced. the principle, design considerations, modulation index and efficiency of the proposed inverter are discussed in detail

    提出了一種新型直流壓過渡壓源三相pwm逆變器,並對該的工作過程、參數設計、調制系數以及工作效率等進行了詳細的分析和試驗研究。
  12. A new full - wave measurement circuit structure is put forward that would increase distribution automation system reliability and veracity. the distributed protection and monitoring unit in this paper can instead of general instruments of low voltage distribution system. it not only combines ampere meter, voltage meter, active power meter, reactive power meter and power meter, frequency meter into a meter, but also increases monitoring position switch, control bus switching alternately and monitoring energy

    本文研製的保護和測控單元,可替代低壓配系統中所使用的常規儀表,將原來迴需要的流表、壓表、有功功率表、無功功率表和功率因數表、頻率表簡化為一塊表,並增加了位置開關量檢測,控制投切和度監測功能,從而極大的簡化了低壓配二次儀表設計、安裝調試,提高了運行、維護和管理水平。
  13. This paper discusses the short - circuit verifying of wires in dynamic stability and heat withstand while the wires are chosen in the design of power system

    本文主要論述了力系統中上發生三相對稱短時,其動穩定和熱穩定的校驗問題。
  14. Secondly, the following two subjects are discussed according to the calculation of short - circuit current : ( l ) to verify the dynamic stability condition of wires by using simulated annealing algorithm ( sa ), the paper calculates the maximum value of rectangle wires " short - circuit electrodynamic stress and gets the conditions of their having the maximum value. furthermore, some concerned data about the verifying of copper wires are given by analysing vibration spectrum of the electrodynamic stress ; ( 2 ) in order to get the heat withstand conditions of wires, the paper discusses some common calculation methods, and then tries to study the problem applying artificial neural network ( ann ) based on heat principle of metals. the model is shown to be feasible

    其次,在中短流計算的基礎上, ( 1 )進行的短動穩定校驗計算:採用模擬退火演算法( sa演算法)計算了矩形動力的最大值及其取極值的條件,獲得了更為一般的結果,進而通過短動力的頻譜分析,給出了銅質的有關短校驗計算數據; ( 2 )進行的短熱穩定校驗計算:討論了熱穩定校校的幾種常用計算方法,從導體或器的發熱機理出發,運用人工神經網理論對的熱穩定問題進行計算,通過算例比較,證明該方法用於熱穩定計算是可行的。
  15. Its rated voltage class includes 40. 5kv, 72. 5kv and 126kv. this product is applied for connecting and disconnecting of hv lines at no load, electrical isolation between inspected hv busbar, circuit breaker and other electrical equipment, and live hv lines, as well as connecting and disconnecting of small capacitance current and inductance current. the new - type hv disconnecting switch can effectively prevent such common problems as overheat in galvanic circle, misoperation and

    該系列產品為三相交流50hz的戶外高壓器設備,額定壓等級有33kv 40 . 5kv 72 . 5kv和126kv ,供高壓在無負載情況下進行開合,以及對被檢修高壓器等氣設備與帶的高壓進行氣隔離之用,也可用於開合小的容或流,並可按用戶要求加裝接地開關。
  16. Its rated voltage class includes 40. 5kv, 72. 5kv and 126kv. this product is applied for connecting and disconnecting of hv lines at no load, electrical isolation between inspected hv busbar, circuit breaker and other electrical equipment, and live hv lines, as well as connecting and disconnecting of small capacitance current and inductance current. the new - type hv disconnecting switch can effectively prevent such common problems as overheat in galvanic circle, misoperation and part rusting

    該系列產品為三相交流50hz的戶外高壓器設備,額定壓等級有33kv 40 . 5kv 72 . 5kv和126kv ,供高壓在無負載情況下進行開合,以及對被檢修高壓器等氣設備與帶的高壓進行氣隔離之用,也可用於開合小的容或流,並可按用戶要求加裝接地開關。
  17. Reactive power are calculated using the new algorithm. on the basis of analyzing different kinds of control strategies of var compensation, the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components, and can realize auto - tracking var and auto - switching shunt capacitor bank. initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability

    高壓智能無功補償控制器以flash型16位單片機msp430f149為控制核心,採用了一種相角實時測量的新演算法,並在此基礎上計算出了功率因數、有功和無功,減少了運算量提高了精度;在分析了各種無功補償控制策略的基礎上,以壓和無功功率復合判據控制投切,並提出一種改進的容器投切方式? ?暫態投切控制晶閘管過零觸發,避免了容器投切時的流沖擊;穩態運行時接觸器替代晶閘管,實現無功補償的自動跟蹤和容器的自動投切,解決了投切時的暫態流沖擊和穩態時可靠運行的難題;控制器的原始運行參數採用flash自編程技術,將其保存在msp430f149片內的信息flash中,簡化了硬體,大大提高了系統的可靠性。
  18. The power circuit of the system adopts the voltage frequency conversion structure of ac - dc - ac, and is composed of the commutation circuit, filter circuit and intelligence power module ( pm15rsh120 ). control circuit takes the dsp chip tms320lf2407 as core, including the pwm signal occurrence circuit, detect circuit of stator current and direct current voltage of generatrix, drive circuit of intelligence power module, detect circuit of speed, protect circuit of system etc. all of this builds the full digital vector control system of asynchronous motor

    該系統的功率採用壓型的交-直-交變壓變頻結構,由整流、濾波及智能功率模塊ipm ( pm15rsh120 )逆變構成;控制以dsp晶元tms320lf2407為核心,加上pwm信號發生、定子流檢測、直流壓檢測、智能功率模塊驅動、速度檢測、系統保護等,構成了功能齊全的異步機全數字化矢量控制系統。
  19. In the future, we should step forward to study how to minish the voltage spike, to improve the assistant switch network, to study another new structure topology, for enhancing the capability of the maglev chopper

    今後應該進一步地減小壓尖峰,改進輔助管,研究新型拓撲結構,不斷提高斬波器的性能指標。
  20. Firstly, the thesis introduced a eoct scheme that supplied on a special coil. it utilized saturation of special coil to transform form 10a ~ 720a current of busbar to 8v ~ 40v voltage of inductions. after switched to direct current, it supplied the loads of sensor by dc - dc transformations, which is included two + 5v voltages with respective ground and a group of 12v voltage

    該供能方案利用特製圈的飽和特性,將流大致在10a ~ 720a的流感應約為8v ~ 40v的壓能量,利用整流橋將交流變為直流后,由dc - dc變換器件將其轉換為兩不共地的+ 5v和一組12v壓供給後端傳感頭。
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