正壓運行 的英文怎麼說

中文拼音 [zhēngyùnháng]
正壓運行 英文
pressurized operation
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 壓構詞成分。
  • : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • 正壓 : barotropic
  • 運行 : move; be in motion; run; working; machine run; operation; corotation; propulsion (影片)
  1. This kind of device effect fine, specially offer to heat power plant use for such as fluidized bed furnace, coal powder pipe line, furnace negative pressure and flue negative pressure measuring to blow continually, as to prevent coal powders and bacco ashes stop up the sampler, ensure automation instrument of power plant normally running and production security

    這種裝置效果良好,專供國內外火電廠硫化床爐煤粉管道爐膛負和煙道負測量中連續吹氣用,以防煤粉和煙灰堵塞取樣頭,確保電廠自動化儀表和生產的安全性。
  2. When running normally, a high - voltage explosion fuse is in series with the electrical circuit, the fuse wire is strained and the active joint is locked

    跌落式高熔斷器又稱噴射式熔斷器,時串聯在電力線路中,熔絲處于拉緊狀態,活動關節被鎖緊。
  3. According to the quickly adjustable characteristic of the peterson coil grounding system, this dissertation proposes a new control strategy. when the system is in operation, the strategy can limit the series resonance over - voltage by using the off - resonance method. when fault occurs, the strategy can conveniently suppressing arc by rapidly adjusting the inductance value of the peterson coil to the point, which the resonance with grounding capacitance of the power network is occurred

    依據可控硅控制消弧線圈接地系統的快速可控性,一改傳統的電網時調節消弧線圈接近於全補償的預調諧方法,提出時採用脫諧方法抑制串聯諧振過電;故障時立即調節消弧線圈電感量達到與對地電容諧振,以利熄弧的新型調節原理和方法。
  4. The # 9 and # 10 142mw heat supply units in gansu xigu power plant, the steam extraction main pipe system adopt westation control system of westing house company and deb coordination control policy in design. the coordination control policy successfully expand the whole the running range, from the normal running condition to abnormity running condition and start or stop condition, which simplicity base on burthen and main steam pressure coordination control

    甘肅西固熱電廠# 9 、 # 10142mw抽汽母管制供熱機組,選用美國西屋公司westation控制系統,設計、應用了deb協調控制策略,從單純作為負荷和主蒸汽力控制協調的基本功能,成功擴展到整個范圍,即從工況到異常工況及啟、停工況。
  5. With the development of the electric power system, static - state reactive power compensators ca n ' t have met the requirements of the actual production and operation, and the trend to the fast and dynamic compensation for reactive power become greater and greater. since ertan hydroplant and 500kv transmission systems in sichuan power system have been operated, many power plants of load center are forced to halt during the high - water period, because the great deal of power is transmitted to far - distance load center. thus the load center loses voltage sustentation and the level of the system stabilization is debased greatly

    四川電網的二灘水電站和500kv輸變電系統投入后,由於二灘水電站的大量電力遠距離輸送至負荷中心,迫使負荷中心的火電機組在豐水期大量停機,使負荷中心失去電支撐,大大降低了電網的電穩定水平;同時,因為四川電網中的無功補償裝置全為靜態無功補償電容器(或電抗器) ,這些設備只能在系統狀態下起到無功補償和電支撐的作用,而在電網出現事故時,不但不能起到電支撐作用,反而會促使電網電崩潰事故的發生。
  6. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時,基於電網平衡為約束條件設計的三相vsr將出現不狀態,比如三相vsr交流電流中出現負序分量,使交流電流嚴重不對稱;直流電和交流電流中出現非特徵諧波分量,使直流電和交流電流波形發生嚴重畸變;三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  7. According to the demands of the enterprises, combining with the actuality, this dissertation has designed a hydraulic control system for inlet hatch, in order to meet the waterworks " requirements - cutting off the inlet in time when an electrical failure should occur. this system benefits the safety and well - running of waterworks. besides, with the simulink in matlab, it has simulated the dynamic characters of the system to optimize the parameters, components and system

    根據企業需求,結合現狀,本文設計了速閉閘液控制系統以滿足水處理廠遠程控制閘門及在斷電時快速切斷進廠水源的迫切需要,有利於保證水處理廠的安全、:利用matlab提供的simulink軟體包對速閉閘控制系統的動態特性進模擬,來達到優化參數、元件、系統的目的。
  8. The corrugated tank made of high quality cold - rolled - steel sheet manufactured with special production line. it can swell up or shrink compensating the oil from atmosphere. protect and delay the oil and the insulation against degradation, therefore enhance the operation reliability and free of maintenance under normal conditions

    全密封變器與普通油浸式變器相比,取消了儲油櫃,由波紋油箱的波翅代替油管作為冷卻散熱元件,波紋油箱由優質冷軋薄鋼板在專用生產線上製造,波翅可以隨變器油體積的脹縮而脹縮,從而使變器內部與大氣隔絕,防止和減緩油層的劣化和絕緣受潮,增強可靠性,免維護。
  9. Based on the research project of my tutor the application of a new unified power flow controller in extra high voltage transmission lines operated in two phases, the existing principle of upfc and methods of the transmission lines operated in two phases, put the new upfc into hai - jin - jia 330kv extra high voltage transmission lines based on perfecting the framework of main net located in west of river in gansu which can improve the quality of electric power and ensure power transmission or transfer between the main net of gansu and the area of west of river

    本文綜合分析了海-金-嘉330kv超高輸電線路在和故障情況下的諸多問題,在upfc的現有成果和非全相現有方案的基礎上,結合導師的研究課題? ?新型統一潮流控制器在超高輸電線路非全相中的應用。提出在完善甘肅河西主網架結構的基礎上,將新型的upfc應用於海-金-嘉330kv超高輸電線路,可以較好的解決電質量問題,確保甘肅主網與河西地區電網的功率傳輸、轉換。
  10. Along with the development of power system, more and more generators and ehv transmission systems are put into operation. there come many new situations, such as the lengthening transmission distance, the heavier load, the increasing transient elements during the transient process. these new conditions influence the correct working of relay protections

    隨著電力系統的不斷發展,大容量發電機組和超高輸電系統的相繼投入,系統中出現了許多新的情況,如輸電距離增大、負荷加重、故障暫態過程中的暫態分量大大增加、持續時間變長等,這些情況對目前常用的各種繼電保護方法的確動作會產生許多不利的影響,甚至不能
  11. Abstract : the rechargeble batteries are used for backup power internal electrically equipments and instruments. but batteries lifetime usually is shorten by overwork and then malfunctions of equipment are induced. to avoid the complexion described above, the protection circuit against overwork is designed. it is based upon the voltage comparator and regulator. it will light up a red led when the volume of the batteries discharged close upon 50 % ; it will switch off the load automatically when it discharged closing to 80 % of their energy capacity, thus overwork of batteries can be avoided and lifetime may be extended

    文摘:用蓄電池做后備電源的系統(或設備) ,常因過放電導致電池提前報廢而造成設備故障.根據電池電隨容量變化的規律,利用電比較器和電基準源設計製作了電池放電保護電路,當電池放電量接近容量的50 %時,啟動預警信號;當電池放電量達到容量的80 %時,電路自動切斷負載,防止電池過度放電,延長電池壽命,保證系統(或設備)在供電恢復常后能
  12. It can remove water content, gas and mechanical impurities, flash light acid and light hydrocarbon, and enhance quality of oil, resume utilization capacity of lubricating oil and guarantee normal operation of power, hydraulic and lubricating system

    能快速脫除油中的水分氣體和機械雜質,閃蒸除掉輕質酸輕質烴,提高油的品質,恢復潤滑油的使用性能。保證動力液潤滑系統的
  13. The ascertainment of surges in surge tank and waterhammer pressure in pipe systems is the key point of the design of surge tanks and the safe function of the water power station

    調室中的水位波動以及力管道水擊強的確定對調系統的確設計和確保電站調系統的至關重要。
  14. Bz serial can purify degraded oil while transformer, instrument transformer and oil switch are operating and remove acidic substance, free carbon, coloring matter and deposited polluted substance but that fundamental components and antioxygenic property of oil to achieve functional performance of degrade oil up to national standard

    它能在變器互感器油開關的情況下,對劣化油進凈化處理,有效除去油中的酸性成分游離碳色素沉澱污染物質,而不損傷油的基本成分和抗氧化性能。
  15. Bf protection linking piece : the operator should set this linking piece on the “ on ” position under normal operation, then the bf protection is normally put into service ; as the linking piece is set on the “ off ” position, the bf protection is out of service

    失靈保護板:板應置於「投入」位置,失靈保護常投入板置於「退出」時失靈保護功能退出
  16. Differential protection linking piece : the operator should set this linking piece on the “ on ” position under normal operation, then the differential protection is normally put into service ; as the linking piece is set on the “ off ” position, the differential protection is out of service

    差動保護板:板應置於「投入」位置,差動保護常投入板置於「退出」時差動保護功能退出
  17. Verification of proper operating voltages, current, and power indicate that at least the system has an operational power supply and that power regulation circuits are operating correctly

    如果證實操作電,電流,功率是常的,那麼表明系統至少有一個可供系統的能量供應,也表明能量的調節電路是的。
  18. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不穩定、波動大,電源的諧波含量過高,紋波系數過大,乃至電源設備損壞、輸出異常等情況出現,將會嚴重影響視頻信號的圖像效果,大大降低防盜系統的穩定性和可靠性,我們採用快速傅利葉變換原理,即fft變換,通過對市電、穩電源、 ups電源、開關電源等的電信號進fft變換,從而得出信號中各次諧波的含量及信號畸變系數,並將其與常工況下的參數進對比,從而進一步診斷出穩電源、 ups電源、開關電源等設備的狀況;組成監控系統的設備長期處于工作狀態,往往由於設備散熱條件不好、設備老化故障等原因導致設備表面溫度過高,從而影響設備的,降低設備的使用壽命。
  19. Parts which can ignite an explosive atmosphere are placed in an enclosure which, if there is an ignition of an explosive mixture internally, will withstand the pressure and prevent the explosion being transmitted to the atmosphere around the enclosure

    將設備在時,能產生火花電弧的部件置於隔爆外殼體,隔爆外殼能承受內部的爆炸力而不致損失,並能防止傳播到外殼外。
  20. 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自動跟蹤消弧線圈,分析自動跟蹤消弧線圈技術參數,指出設計中應注意的問題,保證自動跟蹤消弧線圈,消除弧光接地過電,保證可靠供電。
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