高壓地保護 的英文怎麼說

中文拼音 [gāodebǎo]
高壓地保護 英文
high voltage ground protection
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 壓構詞成分。
  • : Ⅰ動詞1 (保衛; 保護) defend; protect 2 (保持) keep; preserve; maintain in good condition 3 (...
  • : 動詞1. (保護; 保衛) protect; guard; shield 2. (袒護;包庇) be partial to; shield from censure
  • 高壓 : 1 (殘酷迫害; 極度壓制) high handed 2 [氣象學] (高氣壓) high pressure3 (高電壓) high tension...
  1. A protective method based on voltage - frequency - converter and additional dc measuring the insulation between monitor wire and ground lines of hv double screen cable is developed and realized by analog and digital circuits

    通過分析6kv電纜絕緣監視的特點,提出了在電纜監視線與接線之間附加直流電源並利用v / f轉換實現監視的新方法,設計了相應的電路。
  2. To resolve the situation that the sensitivity of present ground fault protection schemes is low for the large - sized hydro - generators, a kind of protection scheme based on the fault component of third - harmonic voltage and two kinds of protection scheme based on the fault component of zero - sequence voltage at the terminals and neutral are developed, and they can obtain higher sensitivity and reliability and provide 100 % protection for the stator windings. the influence of noise on the stator ground fault protection based on the local modulus maximum of wavelet transform is analyzed

    針對目前大型水輪發電機定子繞組單相接靈敏度偏低的問題,通過分析單相接故障后機端和中性點零序電的變化特點,提出了一種基於機端和中性點三次諧波電故障分量和兩種基於機端和中性點零序電故障分量的靈敏度、可靠性方案,並實現定子繞組的100 %
  3. Abstract : the stimulation treatment of & quot; loosening rock by the dilatancy of explosive waves & quot; is tested in the casing well 4242 for studying its result and its influence on casing. the result of the field test shows that this test is successful in technology, the oil production of the well is 4 times as much as that of it before the test ; the deformation of casing is local, and the result of the strength calculation shows that the deformation will not destroy casing

    文摘:為了研究「脹松動」增產技術的增產效果和對套管的影響,在延長石油管理局子長油礦對4242井進行了現場實驗.該技術採用強動載波在層深處疊加的方法,造成脹條件,松動巖石,增大近井帶滲透率,提油井產量.施工后,該井產量增加為原來的4倍多.本次實驗工藝上是成功的,首先是按設計要求引爆了炸藥,其二是由於採取了措施,使套管變形局限在施工段處,不影響下泵,不影響油井生產;套管強度校核分析也證明了套管不會破壞.施工后質效果明顯
  4. When the wave wells up the regulation that the voltage is greater than the gas and in charge of, gas in charge of discharge earth connection too high voltage, protect the apparatus systematically

    當浪涌電大於氣體管的規定時,氣體管會將過的電放電接系統器材。
  5. This product is absorbing all forms of domestic and foreign prefabricated substation and development, high pressure, low voltage electrical equipment, distribution transformers trinity, with perfect protection, a flexible combination of superb technology will be mainly used to replace conventional civil engineering - type substation ; deep into load centers, widely used in high - rise buildings, petrochemical plants, power plants, subways, railway stations, wharves, airports, schools, hospitals and other important establishments population is concentrated

    本產品是吸收國內外各種形式的預裝式變電站而開發的,、低成套電器、配電變器三位一體,具有完善的、靈活的組合、精湛的工藝,主要用於取代傳統土建型變電站;可深入負荷中心,廣泛用於層建築、石油化工廠、發電廠、鐵、車站、碼頭、機場、學校、醫院等人口集中的重要場所。
  6. Application of surface subsidence reduction obtained through grouting the separated beds in overburden in railroad - protected coal pillar mining

    覆巖離層注漿充填線路試驗研究
  7. F - mpc60b digital multi - function relay, it itself combinates the functions of protection, operation, metering, monitor and transmitition, which needed by h. v. switchgear panels, adopting the communication interface rs485, so it is easy to be connected to computer net or intenet

    Mpc60b型數字型多功能繼電器是將輸變電設備所需的、操作、計測、監視、傳送功能集於一身,採用rs485通信方式,可以很容易與上位計算機聯網。
  8. Arc - grounding fault line selection is the paper ' s key point and innovative point about small current grounding power systems. a lot of simulations are made based on the change rule and the character of fault voltage, fault current. the simulation study declare that the use of the method of wavelet analysis can select the fault line when the arc - grounding fault take place, it will play a important directive role in the research of the protection equipment

    對小電流接系統電弧故障的選線模擬是本文的重點,也是一個創新點,本文從研究的角度,在深入分析電弧接時故障電、電流的特點和變化情況的基礎上,進行了大量的選線模擬,模擬表明電弧故障時,小波分析方法也能準確選出故障線路,這對研製性能的接裝置將起到重要的指導作用。
  9. Basic principle, hardware structure and function of digital ic electrical meter are expounded. the meter not only has the features of low power consumption and low costing, but has the protective functions against over current, over voltage and electricity leakage. principle and calculation methods of electricity power, periodic compensation and precision compensation are also explained in detail

    詳細敘述了數字式ic卡電度表的基本原理、硬體結構和基本功能,該電度表不僅具有低功耗、低成本的特點,過流、過及漏電功能,而且具有結構簡單、運行可靠、性能價格比等優點.最後詳細介紹了電能計量、精度補償、周期補償的原理及演算法的實現
  10. In high voltage power transmission line, in order to ensure power system juxtaposition operation ' stability and bump feeding power up against, at a great many instance, without delay from line ' s terminal excision by the protected line interior fault

    輸電線路上,為了證電力系統並列運行的穩定性和提輸送功率,在很多情況下都要求無延時從線路兩端切除被線路內部的故障。
  11. Microprocessor distance protection set is one of the most important protections for high - pressure transmission lines. when high pressure transmission line occurs fault, due to it ' s high voltage level, faults brings big impact to power system and users. the closer the faults occur, the bigger impact it brings

    線路發生故障時,由於電等級,涉及面大,對于電力系統以及電力用戶沖擊很大;線路故障點距離安裝處越近,對于電力系統以及電力用戶的沖擊越大;距離的近區故障快速動作具有很重要的意義,本文基於上述目的研究微機距離的反時限。
  12. Electrical installations of buildings part 4 : protection for safety, chapter 44 : protection against overvoltages section 442 - protection of low - voltage installations against temporary overvoltages and faults beween high - voltage systems and earth

    建築物電氣裝置第4部分:安全防第44章:過電第442節:低電氣裝置對暫時過電系統與之間的故障的防
  13. Electrical safety in low voltage distribution systems up to 1 kv a. c. and 1, 5 kv d. c. equipment for testing, measuring or monitoring of protective measures. part 4 : resistance of earth connection and equipotential bonding

    可達1 kv交流電和1 . 5 kv直流電的低配電系統中的電氣安全性.試驗測量或測量監測用設備.第4部分:接和等電位連接電阻
  14. Electrical safety in low voltage distribution systems up to 1 kv a. c. and 1, 5 kv d. c. equipment for testing, measuring or monitoring of protective measures. part 5 : resistance to earth

    可達1 kv交流電和1 . 5 kv直流電的低配電系統中的電氣安全性.試驗測量或測量監測用設備.第5部分:接電阻
  15. Current transformers are nonreplaceable in the field of protection and measurement for decades, but the electromagnetic current transformers can not meet the development of the electric power system for the reasons of magnetic saturation, ferro resonance, little dynamic range, narrow service band and so on 。 with the popularization of microcompute, it will be irreversible to apply microcompute in the protection and measurement, the equipments do not need the current transformer with high power, so the rogowski coil can apply on the field of protection and measurement

    電流互感器在繼電和電流測量中的作用長期以來具有不可替代的位,但電磁式電流互感器所固有的磁飽和、鐵磁諧振、動態范圍小、使用頻帶窄等都難以滿足電力系統發展的要求。隨著微機的普及,在繼電和測量中應用微機已是不可逆轉的潮流,設備已不再需要功率輸出的電流互感器,因此可以選用rogowski線圈作為低電輸出要求的電流測量和繼電應用。
  16. By adopting jet grouting, ground water was controlled effectively, and thus further excavation and implementation of the scheme of grouted rubble revetment were ensured

    採用旋噴注裝進行止水防滲處理后,下水得到了有效的控制,證了基坑進一步開挖和裝砌塊石坡方案的順利施工。
  17. According to the present actual underground power system which neutral point is grounded through arc suppression coil in many supper big shaft, the development history and present situation of synthetic protection system used in hv flameproof switchgear are reviewed, and on the basis of analyzing the problems existed in high voltage flameproof switchgear, the selective leakage protective method based on the detecting harmonic direction of zero sequence current as well as the value of zero sequence voltage is proposed in this paper, and at the same time, harmonics extracting schematic and transforming circuit are also designed

    本文深入系統研究了基於intel80c196kb單片機控制的6kv防爆開關綜合系統,主要內容如下:針對大型及特大型礦井供電系統中性點普遍採用消弧線圈接方式的現狀,回顧了國內外礦用防爆開關系統的發展歷史,分析了目前國內饋電開關系統所存在的問題,提出了「基於零序電基波啟動,五次諧波功率方向比較」的選擇性漏電原理,設計了相應的五次諧波提取電路和功率方向鑒別電路。
  18. The principles of hardware and software for the protection of high - voltage electromotor in quick break, inverse - time - limit and single - phase grounding are discussed with a presentation on the eatablishment of the mathematics model

    摘要闡述了微機對電機的速斷、反時限以及單相接的硬體和軟體原理,並對其數學模型的建立進行了討論。
  19. Microprocessor based high voltage busbar protection has rapidly expanded. on the basis of analysis grouping - principle based middle and low voltage protection are put forward. the special busbar protection has adopted effective measures so that large improvement such as simpleness, reliability, economy, sensitivity and some appending additional functions has been obtaimed

    等級母線微機已經進入到成熟發展階段,本文在對國內外現有母線進行研究分析的基礎上,根據中低母線的特點,提出了一種基於分組原理的母線,可以很好解決中低母線的實際工程問題,使得系統簡單、可靠、經濟、靈活、易於擴展,而且容易附加其它的功能。
  20. Following investigating of kidney protective effects of liuwei dihuang pill on aged hypertension

    六味黃丸對老年性患者腎作用的隨訪調查
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