接地過電壓 的英文怎麼說

中文拼音 [jiēdeguòdiànyā]
接地過電壓 英文
grounding surge
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 電 : 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...
  • 壓 : 壓構詞成分。
  • 接地 : [電學] landing; body; ground connection; electrical grounding; grounding; earthing; earth; ground...
  • 電壓 : voltage; electric tension; electric voltage
  1. Seven test points enable a check of the output voltages and currents, by supplying proportional voltages relative to gnd

    七個測試點通過對地的比例電壓能夠間接測量出輸出的電壓和電流。
  2. First, passive resistance network was selected as direct current biasing network, which offered direct voltage for base through the resistance voltage divider composed of two resistances, among them the upper resistance connected from the dc to base, the lower resistance connected from the base to ground. the collector connected with dc directly

    直流偏置網路採用無源電阻網路，通過由兩個電阻組成的電阻分壓器為基極提供直流電壓，上偏電阻從電源串聯到基極，下偏電阻從基極到地，集電極直接加電。
  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，一改傳統的電網正常運行時調節消弧線圈接近於全補償的預調諧方法，提出正常運行時採用脫諧方法抑制串聯諧振過電壓；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. Based on researching the function of every kind of eliminating arc loop, new concept was brought up in this paper, and the protective device for eliminating arc and overvoltage was researched and manufactured. when the arc light connecting the ground emerges, the chip synthesizing controller control the vacuum contacter which can be operated with dividing phase and make its fault phase earthed so that the arc light can be dissolved thoroughly

    本文在研究各種消弧線圈的基礎上，提出全新的概念，研製出了消弧及過電壓保護裝置，該裝置在出現弧光接地時，通過單片機綜合控制器控制一組可以分相操作的真空接觸器，使故障相接地，達到徹底消除弧光的目的。
  5. Flat contact surfaces for earthing screws ; rated voltage not exceeds 52 kv

    接地連接螺栓的扁平接觸表面.額定電壓不超過52kv
  6. Electrical safety in low voltage distribution systems up to 1000 v a. c. and 1500 v d. c. equipment for testing, measuring or monitoring of protective measures - resistance of earth connection and equipotential bonding

    不超過交流1000v和直流1500v的低壓配電系統電氣安全性.防護測試測量或監測設備.接地和等勢屏蔽接地阻抗
  7. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability ， insulation coordination ， electromagnetic interference ， but assault safety 。 in china ， the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network ， low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai ， beijing ， and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas ， such as zhuhai ， substations grounding with low resistance revealed some problems ， including power supply reliability rapidly dropping ， transmitting line often tripping ； and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析，比較各方式的特點，然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型，在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下，對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算，其計算結果與電科院所作現場試驗進行了比較。
  8. Second, as currently study of hot point, back ? emf, it will discuss the principle of the sub - position examination in detail. based on the principle, it put forward a kind of improving back - emf method of crossing - zero checking turns position. but this did n ' t resolve to the root problem that the speed scope is very narrow and it need an in expiation of speed error and so on. thus it put forward a new improvement method at next chapter

    其次，就目前所研究的熱點? ?反電勢法，詳細討論了其轉子位置檢測的原理，在此基礎上提出了一種改進的反電勢過零點檢測方法，其可直接從電機端部得出反電勢對地的電壓值，而不是通過電機中心點電壓來得到反電勢。
  9. Because there is direct relation ship with fault currents and transient and dynamic voltages, in theory or practice, it is so complicated that the selection of generator neutral grounding model will affect or determine the generator protection scheme

    由於暫態過電壓、接地故障電流等都直接與發電機接地方式有關，同時還影響或決定著發電機的保護形式，所以接地方式的選擇在理論和實踐上都是一個復雜的問題。
  10. Along with the development of power network transmissed in our country, the internal electric power net in industry and enterprise and the electric power sesytem on generating electricity and power supply, the overvoltage phenomena in the electric power sesytem becomes more and more serious

    隨著我國電網系統的發展，電力系統中的過電壓現象越來越嚴重，尤其隨著電纜線路逐漸代替架空線路，電容電流不斷增加，弧光接地現象更是不可避免。
  11. After the neutral point is grounded through perterson coil, it can decrease the capacitor current through fault point and the over - voltage caused by the grounding fault, which is advantage for the extinguishments of electric arc

    中性點經消弧線圈接地后，有效減小了流過故障點的電容電流，減小了弧光接地過電壓，有利於電弧熄滅。
  12. After the neutral point is grounded through peterson coil, it can decrease the capacitor current through fault point and the over - voltage caused by the grounding fault, which is advantage for the extinguishments of electric arc

    中性點經消弧線圈接地后，有效地減小了流過故障點的電容電流，減小了弧光接地過電壓，有利於電弧熄滅。
  13. It can be predicated that the study results are useful to the design of overvoltage protective device in electric power system and the development of canceling arc light earthed overvoltage device and small electric current chosen equipment

    本文的研究結果對電力系統過電壓保護裝置的設計及消除弧光接地過電壓和小電流選線裝置的開發具有實際指導意義。
  14. In the 3 ~ 35kv power supply system of our country, the large part is the not solidly earthed neutral system. when the single - phase earthed phenomena happens in this system, this electric power network can run with failure. and in this way the operated cost can reduce greadty. and at the same time the power supply systemic dependability can be improved. but when the single - phase earthed current is large, this electric power system can engender easily arc earthed overvoltage and interphase short circuit by this means

    在我國10 35kv供電系統中，主要為中性點非直接接地系統，這種系統在發生單相接地時，電網仍可帶故障運行，這樣可以大大降低運行成本，提高供電系統的可靠性，但這種供電方式在單相接地電容電流較大時容易產生弧光接地過電壓和相間短路，給供電設備造成了極大的危害。
  15. 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正常運行技術參數，指出設計運行中應注意的問題，保證自動跟蹤消弧線圈正常運行，消除弧光接地過電壓，保證可靠供電。
  16. Ferroresonance is an over - voltages always occurs in neutral isolated distribution, and sometimes occurs in high - voltages network. aim at the 110kv network, the real network is simulated, analyzed and compared in this paper. finally, the approach of trapezium is selected as one of the best methods

    鐵磁諧振過電壓是一種常見的內部過電壓，多發生在中性點不直接接地的配電網中，但是在中性點直接接地的高壓電網中，也曾經發生過這種過電壓。
  17. The principle of the fault distance measurement for small current grounding system by injecting dual frequency signal are discussed from many aspects such as the method and the characteristic of the signal, the test of the signal, the method of the line select, the algorithm of the fault distance measurement, and the method of the fault location, etc. the task adopts this kind of principle, in which the signal injection is completed by the coupling between the power source and the pt

    在詳細地說明以上三種測距演算法的基本原理后，分析各種演算法的優缺點，從注入信號的方法、特徵，注入信號的檢測，接地選線的方法，故障測距的演算法，及故障定位的方法等多個方面，論述了本課題採用的應用於小電流接地系統的雙頻信號注入式測距原理。其中，信號的注入由功率源通過電壓互感器（ pt ）耦合來完成。
  18. Overvoltage occur frequently and causes great damage in lokv distribution network, especially in the system whose neutral - point does n ' t earth

    配電網系統的過電壓出現頻繁，危害大，尤其在中性點不接地系統中。
  19. The manufacturers and users of electrical machines initially relied on simple proctections such as over - current, over - voltage, earth - fault, etc

    廠商及電機的用戶僅依靠諸如過電流、過電壓、接地等簡單技術保證其運行的安全性和可靠性。
  20. Association with the situation of china, the solution is grounding the neuter point by peterson coil which will decrease the fault current and improve the human security. but it also brings two problems : first, the improper compensation will cause over voltage ; second, it ’ s hard to fault select

    但是，中性點經消弧線圈接地后存在兩方面的問題:首先，消弧線圈調諧不當易產生諧振過電壓;其次，在中性點經消弧線圈接地系統中，發生單相接地時故障選線困難。
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