自消弧 的英文怎麼說

中文拼音 [xiāo]
自消弧 英文
self extinction of arc
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 動詞1 (消失) disappear; vanish 2 (使消失; 消除) eliminate; dispel; remove 3 (度過; 消遣) pa...
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  1. Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -

    快速成型技術改變了傳統的產品開發模式,可以為設計者提供產品樣件,縮短設計周期,加快新產品的開發進度,為決策者提供直觀性;快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣,包括樹脂模、層壓模、熔模和失模等,還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模,甚至直接製造小批量鑄件,介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術,快速成型技術與鑄造工藝的有機結合,開創了快速製造金屬零件的新階段,對用高新技術改造傳統的鑄造工業,使其面貌煥然一新,增強鑄造行業的競爭能力;快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑,討論了利用快速成型技術製造模具的一般工藝方法,探討了將快速成型技術與金屬電噴鍍技術結合起來快速製造金屬模具問題,以及快速成型技術與精密鑄造技術相結合的模具製造工藝,基於快速成型製造的快速模具技術,集成了快速成型製造高新技術和傳統技術,發揮各優勢,已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。
  2. Then the idea of integral control of automatic resonance and single - phase earth faulted line selection was put forward

    並在此基礎上給出了補償電網中線圈動調諧與單相接地故障選線一體化的綜合控制思路。
  3. Information on the enterprise tekon gmbh and their services, like hot water boiler and heating systems on one hand and chimney inserts and fireplaces on the other, is available in the firm profile

    Tekon gmbh公司積累了多年經驗,在己的網頁上這家企業為您介紹其它的專門產品,例如關于熱水鍋爐,供暖系統,煙囪部件、室部件。
  4. Be based on distribution automation, the probability and feasibility of the parallel connection of arc - extinction coils is analyzed

    在配網動化的基礎上分析了線圈並聯運行的可能性和可行性。
  5. By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently

    通過提高零件表面加工質量,改善一次封排間的真空衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈度,採用動電流老煉、超高壓工頻老煉、大電流動態老煉等工藝進一步除真空滅室內活動性微粒,可提高真空滅室真空間隙介質強度,使真空開關投切電容器組的重燃率大大降低,並通過實驗驗證真空開關投切電容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。
  6. 5. based on the analysis of their source rocks, the mesozoic detrital rocks in feixi area are mainly derived from metamorphic rocks of fuziling and luzhengguan groups, and the provenance of fenghuangtai formation is a disappeared ultra - high pressure metamorphic rock unit characterized with inland arc eclogites

    物源分析表明,位於肥西地區中生代碎屑巖主要來佛子嶺群和盧鎮關群變質巖,鳳凰臺組的源區來於一個已經失的以島榴輝巖為代表的含超高壓變質巖單元。
  7. The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution

    其中的有載調壓分接開關,它是一種完全由固態繼電器作為分接開關執行機構,由單片機控制的有載動調壓的變壓器分接開關。該開關完全取了機械傳動機構,由單片機根據變壓器二次側電壓的高低,決定與變壓器各分接頭聯接的固態繼電器的工作狀態。調節速度快,改變分接頭時不需過渡電阻,沖擊電流小,可頻繁操作;無電產生,可以直接放在變壓器油箱中;結構簡單,造價低,便於在配電變壓器中推廣使用。
  8. By adjusting the automatic tracing coil of arc extinction for switch stand and analysing technical parameters of arc extinction coil in normal operation, the paper indicates some problems should be taken care of, so as to operate properly automatic tracing coil, to remove the excess voltage of grounded arc and to ensure reliable power supply

    摘要通過調試開關站動跟蹤線圈,分析動跟蹤線圈正常運行技術參數,指出設計運行中應注意的問題,保證動跟蹤線圈正常運行,光接地過電壓,保證可靠供電。
  9. Application of zgtd automatic arc - suppressing reactor and single phase earth selecting device

    動跟蹤電抗器及單相接地選線裝置的應用
  10. In this paper, the research was made to solute these problems. the peterson coil compensation system has been designed which can measure capacitor current and damp degree ; a fault selection method of distribution network which was put forward that based on ftu

    本課題就這兩方面的問題進行了深入研究,設計了一種線圈動補償裝置,該裝置可測量系統對地電容電流和阻尼率,具有響應快、準確性高的優點;同時提出了一種基於ftu的配電網接地選線方法。
  11. The basic principle of biasing magnet automatic resonance regulated petersen coil and its operating condition at wuzhan substation were introduced

    摘要介紹了偏磁式動調諧線圈裝置在武漢市武展變電站運行的狀況。
  12. The thesis analyses some kinds of representative grounding devices with automatic resonance petersen coil and points out their characteristics and applicability separately

    =本文分析了國內外具有代表性的幾種動調諧線圈接地裝置,分別指出了它們的特點和適用條件。
  13. The paper explains the method of the petersen coil parameter selection and expatiates the working principle of micro - computer controller. new methods of on - line measuring of the capacitive current and the control of the series resistance are put forward ? which lead to the integration of the automatic resonance and the faulted line selection in a compensating network

    文中說明了線圈參數的選擇方法,闡述了微機控制器的工作原理,提出了在線測量補償電網對地電容電流以及控制串聯電阻的新方法,實現了補償電網動調諧與單相接地選線的一體化。
  14. Finally, system ’ s measurement error and error compensation method are analyzed, and some measures of anti - interference are taken to improve system ’ s reliability. the project was finished by combination the theory and the practice, and a new way on peterson coil automatic compensation is available

    本課題將理論運用和實踐相結合,為中性點經線圈接地系統的動調諧提供了一種新的技術手段,具有廣闊的應用前景。
  15. Considering the actual condition and development of the 35kv distribution network in changzhi district ? a new type of automatic resonance devices with on - line tap - changer is developed for the capacitive current compensation and faulted line selection in case of an earth fault

    結合長治地區35kv配電網的實際情況和發展趨勢,研製了新型調匝式動跟蹤調諧線圈接地補償裝置,用於補償電網單相接地故障時的電容電流和接地選線。
  16. In addition, the enormous use of cables in city power system increases the current through the grounded capacitor. these make the single - phase fault current get greater, which lead to more and more instantaneous grounding faults unable to eliminate naturally

    近年來,由於城市配電網路規模的不斷發展,以及城網中大量使用電纜,使得系統的接地電容電流大大增加,系統單相接地故障時接地電不能動熄滅,越來越多的瞬間單相接地故障不能除。
  17. In recent years, with the large - scale reconstruction of city power system, the scale of power system is continuously expanding, and the power supply network is becoming larger and larger. in addition, the enormous use of cables in city power system increases the current through the grounded capacitor. these lead to more and more instantaneously grounding faults unable to eliminate naturally

    近年來,國家對城市電網的大規模改造,使得電網的規模不斷發展,配電網路越來越大,加上城網中大量使用電纜,使接地電容電流大大增加,越來越多的瞬間單相接地故障不能除,為了解決這一問題,我國普遍採用中性點經線圈接地的補償方式。
  18. A tentative idea of using the variation of interim resistance to achieve the metering ofadapting oneself to impedance is put forward, the relevant bases of a differentiation are derived, and its preliminary analysis has been carried out as well. it aims at eliminating the influence of interim resistance on metering of impedance protector by changeable property of arc resistance

    提出了利用過渡電阻增量實現阻抗適應測量的設想,導出了其動作判據,並對該判據進行了初步分析,旨在利用故障點電電阻的變化特性來除過渡電阻對距離保護正確測量的影響。
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