電路等級 的英文怎麼說

中文拼音 [diànděng]
電路等級 英文
circuit grade
  • : 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...
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  • 等級 : 1 (按質量、程度、地位等的差異而作出的區別) grade; rank 2 (在社會地位和法律地位上不平等的社會集...
  1. For the circuit - breakers of rated voltage 252kv up, the synthetic test methods are introduced according now condition because of the limitation of the transformer short - circuit capacity. the correlative prescribes on switching line - charging current in gb / t1984 - 200x " alternating - current high - voltage circuit - breaker " are discussed according to the test results and theoretic analysis

    由於開合空載架空線試驗對源側的阻抗有明確的規定,這就要求試驗源必須具有足夠大的短容量,實驗室很難滿足要求,因此,一般對較高的斷器採用合成試驗方法,本文介紹了利用現有條件,對252kv以上的斷器採用合成試驗時的試驗線
  2. It includes all changing, the electric equipment of distribution place and the unified whole that the circuitry of all sorts of different voltage grade forms

    它包括所有的變、配所的氣設備以及各種不同的線組成的統一整體。
  3. A novel three - level ac chopper is proposed, which is a new multi - level converter applied to high voltage conversion, and utilizes more electric levels to form output voltage and decrease the harmonic content of output waveform

    摘要提出一種用於高壓能變換的新型三平交流斬波,該允許使用低的器件完成高壓能變換,並採用較多的平數去逼近所希望的波形,使輸出壓或流的質量大大提高,諧波含量減少。
  4. Initial recovery voltage and peak recovery voltage across the circuit - breaker have an essential affect on re - strike. for assessing performance of circuit - breaker, the higher inductance and lower inductance must be considered at the same time when testing according to theoretic analysis, the directly test circuit on switching the no - load overhead by high - voltage circuit breakers of rated voltage 252kv and below, in compliance with the correlative standard jb5871 and the test devices, and the test circuit parameters have been calculated and the many testes have been carried out

    在理論分析的基礎上,考慮實驗室現有設備的情況依據標準jb5871的規定,選用合適的試驗設備,對試驗線的參數進行計算,在實驗室建立了252kv及以下器開合線流直接試驗線,利用該線進行了數臺產品的試驗,分析了試驗結果,並根據試驗結果和理論基礎討論了gb t1984 - 200 《交流高壓斷器》 (報批稿)關于開合線流試驗的有關規定。
  5. When switching the no - load overhead lines by alternating - current high - voltage circuit breaker which is a kind of daily operations in electric power system, over - voltage is probably bringed out and insulating property of the electric devices is breakdowned sometimes, especially, when occuring re - strike. the main purposes that the tests on switching line - charging current are performed in the laboratory are assessing re - strike performance of circuit - breakers. according to the test results, the design of the circuit - breaker is optimized and re - strike performance is improved

    交流高壓斷器是力系統中最關鍵最重要的設備之一,斷器開合空載架空線力系統中常見的操作,操作過程中通常會出現過壓,對系統絕緣造成威脅,嚴重時會破壞系統的絕緣性能,發生事故,隨著力系統的提高、輸不斷延長及傳輸容量的增大,由操作過壓引起的絕緣閃絡、設備破壞事故的幾率更加突出。
  6. 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

    高壓線發生故障時,由於高,涉及面大,對于力系統以及力用戶沖擊很大;高壓線故障地點距離保護安裝處越近,對于力系統以及力用戶的沖擊越大;距離保護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保護的反時限。
  7. Second, the analytic model built by ahp is discussed in detail, which rules come from the related documents of china telecom and experience of operating engineers. this part is the major part of this thesis

    其中重點討論如何結合中國信的《電路等級與配置原則》 ,將運維人員的實際工作經驗歸納總結,轉化成分析模型的各項判斷準則。
  8. In this paper, the oscillatory circuit and synthetic circuit are analyzed theoretically at first and the main parameters of sythetic circuit under the conditions of the different current grades are gotten, that is not only the parameters " basis of synthetic circuit test, but also the important references of studying computer - testing system for current measurement of current - source in synthetic circuit

    本文首先對振蕩迴和合成迴進行了理論分析並確定了在不同條件下合成迴中的各主要參數,這不僅為合成迴試驗提供了參數依據,同時也為合成迴流源流信號計算機測試系統的研製提供了重要參考。
  9. 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,額定有33kv 40 . 5kv 72 . 5kv和126kv ,供高壓線在無負載情況下進行開合,以及對被檢修高壓母線斷氣設備與帶的高壓線進行氣隔離之用,也可用於開合小的容或流,並可按用戶要求加裝接地開關。
  10. 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,額定有33kv 40 . 5kv 72 . 5kv和126kv ,供高壓線在無負載情況下進行開合,以及對被檢修高壓母線斷氣設備與帶的高壓線進行氣隔離之用,也可用於開合小的容或流,並可按用戶要求加裝接地開關。
  11. After discussing the theoretical basis for a designing method of cam mechanism based on output force ( moment ) characteristics, a new designing method for that mechanism is presented and then, employed for designing a spring actuating mechanism in vacuum circuit breaker with singlephasy single breaker contact which operates under the condition of high - voltage and large - current. the application of this method shows that the cam mechanism designed by using the method presented can completely meet the requirement of output force characteristics for the mechanism and, furthermore, the performance of the mechanism is remarkably better than that of similar mechanisms designed by using conventional methods

    介紹了一種按輸出力(力矩)特性曲線設計凸輪機構的新方法.闡述了這種設計方法的理論依據,並將這種設計方法應用在高、高工作流單相單斷口真空斷器的彈簧操動機構中.結果表明:用這種方法設計的凸輪機構完全能滿足機構所要求的輸出力特性的要求,且機構的性能明顯優于用傳統方法設計的機構
  12. The constitution, interface and control principle of main circuit, rectifier control module, inverter control module, generator ' s rotor speed and rotor position measuring module, information exchange module are discussed. specially, the methods of implementing signals level match in multi - voltage system, synchronizing with pc in parameters measurement and measuring rotor speed and rotor position with high precision are explained in detail

    文中討論了主、整流器控制模塊、逆變器控制模塊、機轉速和轉子位置測量模塊以及信息交換模塊的組成、介面方法和控制原理,詳細說明了系統中實現不同間信號平匹配的方法、系統與上位機進行同步參數測量的方法以及實現高精度機轉速和轉子位置測量的方法。
  13. It suits in 220 500kv voltage rank ’ s electrical power system breakdown recording. uses 32 - bit embedded microprocessor arm and the high speed dsp multi - tasking ; designs the fpga hardware data sampling controller to produce the control signals, and guarantee sampling precision ; may record 36 groups analog signals and 80 groups switches signals ; uses distributed and modular design distributionally, may dispersely install in the screen cabinet, also may be linked to a management computer or transfer data to the far control center through the 10m / 100m ethernet

    它適合於220 500kv力系統故障錄波。採用32位嵌入式微處理器arm與高速dsp并行工作;設計了fpga硬體數據采樣控制器產生控制信號,保證采樣精度;可以記錄36模擬量和80開關量;採用分散式、模塊化設計,可以分散安裝在屏櫃中,也可以通過10m / 100m以太網連到一臺所計算機或遠傳到調度中心。
  14. The device is suitable to 380 - 220kv substation ' s automatic closing emergency sources control of lines, two - winding transformers or three - winding transformers

    該裝置適用於變站內380v ? 220kv各種、雙卷、三卷變壓器的雙方向備用源自動投入控制。
  15. Fail and turn electric wire into of the distance in 110kv and above voltage high pressure and vltrahigh voltage of grade, the mutual inductor generally adopts the mutual inductor of electric current ( ct ) and voltage mutual inductor ( cvt )

    在110kv及以上的高壓和超高壓輸變中,互感器一般採用流互感器( ct )和壓互感器( cvt ) 。流互感器和壓互感器在繼保護中起著重要的作用。
  16. It is a grade a qualification power construction contracting large - scaled state - owned enterprise that deals with engineering contracting of thermal power generation stations, wind power station, solar energy station, nuclear station and various power transmission lines and transformers of various types

    可承接各類火站、風力站、太陽能站、核站和各種的送和變站工程施工總承包。
  17. The fast development of the electric power industry makes the scale of power network larger and larger, and its network more complex. the result of this is that the power network becomes a complex multiloop network, in addition to the variety of operation and the interleaving of voltage grades. such these situations bring forward much difficulty to the calculation and management by traditional manual operation of relay protective settings

    隨著力系統的飛速發展,網規模日益擴大、網結構日趨復雜,網呈現各種接線並存的復雜環網,再加上系統運行方式的變化多樣,各種互相交錯,都給現有的傳統手工作業方式的網保護整定計算和定值管理帶來了很大困難。
  18. With the increasing of the load and existance of the higher voltage scale, the reactive power transformation caused by the line switching and load changing is more and more common. therefore, the ability to regulate and control the voltage and reactive power should be advanced

    隨著網負荷增大和提高,線投切、負荷變化將容易引起較大的無功功率變化,因此對網無功和壓的調節、控制能力要求越來越高。
  19. 220kv or above voltage transmission lines usual adopt double protective disposition ; each has its own independent ac and dc system to control different breaker

    220kv及以上的輸的保護配置一般採用雙重配置;由兩套交、直流輸入輸出迴相互獨立,並分別控制不同斷器的保護裝置進行保護。
  20. On the base of investigating the research status of adptive protection system, an adaptive protection system of power supply and distribution line of 35kv or under 35kv is constructed based on devicenet fieldbus, industrial ethernet and the offered system ’ s overall structure. it is composed of production process level, bay level, substation level and central control center level

    在充分調研國內外自適應保護系統研究現狀的基礎上,基於devicenet現場總線與工業以太網以及給出的系統體系結構,構建了適用於35kv及以下由生產設備層、間隔層、變站層與集控中心層組成的供配自適應保護系統。
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