直流電力系統 的英文怎麼說

中文拼音 [zhíliúdiànlìxìtǒng]
直流電力系統 英文
dc power system
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 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...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 直流 : direct current （dc）; constant current; steady current; continuous current; zero frequency curre...
  • 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power

    本文結合配電網潮流程序，利用matlab作為模擬工具，模擬包含直接並網風能轉換系統的配電網路在受到擾動情況下的暫態響應，對含有風電場的電力系統穩定性研究及風電場極限穿透功率的研究，提供了可靠的理論根據，有重要的現實意義。
  2. Based on differential geometric theory, a novel nonlinear modulation strategy for multi - iii infeed hvdc systems to enhance the transient stability of ac system in the presence of large disturbances is presented in this paper

    針對大擾動情形，提出了一種用於改善多機交直流混合電力系統（有多條直流線路落點于其中）暫態穩定性的非線性調制策略。
  3. With the increased use of hvdc transmission systems in power systems, situations have arisen and will be even more frequent in the future, where sigle - infeed hvdc system with a parallel ac line and several hvdc systems are located in close of each other

    隨著hvdc輸電系統在電力系統中投入越來越多，交直流並聯系統和多饋入hvdc系統正在逐漸增多。在這種情況下，交流系統和直流系統，不同的hvdc系統間都將存在相互作用。
  4. This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design

    首先進行了方案論證，對模糊控制演算法和數字pid調節演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析，提出應用模糊控制和雙余法解決下述問題，即該論文主要的新見解和所完成的工作： （ 1 ）為了克服直流電機參數時變性和非線性因素對控制性能的影響，本設計中，雙閉環調速系統的外環採用模糊控制，內環採用pi控制，使系統在一定范圍內對直流電機參數變化和非線性因素影響有自適應能力； （ 2 ）針對常規數字觸發器演算法中觸發脈沖的可靠性不高，經常出現漏脈沖或是脈沖混亂的情況，本文採用雙余法，該演算法具有響應快，可靠性高，具有良好的適應性及抗干擾能力； （ 3 ）本設計中採用了速度快、功能強的tms320lf2407作為系統的主控晶元，應用該晶元完成系統的軟硬體設計： （ 4 ）本文對系統抗干擾的軟硬體措施進行了重點研究； （ 5 ）設計了具有模糊控制的全數字直流傳動系統原理樣機，並進行了試驗驗證，對試驗過程中出現的問題及時解決，最終實驗結果證明設計是可行的。
  5. Based on the breakdown model of blemish dielectrics, the dielectrics state of power cable can be monitored using measures of the loss current from the shield of power cable that is sparked by the disturbing source in power network

    藉助于含有缺陷的絕緣擊穿模型，利用電力系統固有的干擾作為信號源，直接測量電纜屏蔽層的損耗電流，監測電力電纜絕緣運行狀態。
  6. Secondly, their aims are made the investment of substations, feeders or running cost of electric power system minimum. but they do n ' t take into account of land utilization, street accessibility of right of way, etc., but demands of electric power system. generally, a straight line distance, namely, euclid distance, was used for calculating the distance between a load point and a substation, which is a straight forward but non - practical way for most planning techniques

    其次受研究工具的限制，這些模型以工程投資、運行費用等最小為目標，僅能考慮導線載流量、電壓降等電力系統技術約束條件，簡化略去了用地限制、街道可達性等重要的自然約束條件，且求解這些模型的前奏是計算負荷點到變電所的歐幾里得距離（直線距離） ，簡便但不切合實際（這一點在城市電網規劃中尤其重要） ，因此較難給出技術上可行的最優解。
  7. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小波，對勵磁涌流和內部故障電流進行小波分析，並設計微機型變壓器保護基本配置，在以往間斷角原理鑒別勵磁涌流的基礎上，突破傳統精確測量勵磁涌流間斷角的方法，直接對信號小波變換后的波形進行分析，建立一個新的鑒別勵磁涌流判據，該判據對硬體要求不高，可以在現有一般硬體平臺上實現；並編寫以b樣條函數為母小波的小波變換判據演算法程序。
  8. It will effect the system in safety and running economy directly > test of tradition past the method is an usage to give or get an electric shock the bridge method or direct current to press to decline the method to proceed to measure, and the electric current for producing of is only in the ma class which ca n ' t broke through the oxidize surface

    高壓斷路器是電力系統中最重要的控制和保護設備之一，它對系統的安全、經濟運行有著直接的影響。以前傳統的測試方法是使用電橋法或直流壓降法進行測量，所產生的電流僅在ma級，不能擊穿觸頭氧化膜。
  9. Rules for the inspection of d. c. power supply equipment for import and export

    進出口電力系統直流電源設備檢驗規程
  10. Reecat company adapts dc - power test system, go on speed performance test, load test, heat circulation test, durability test. use in motorcycle matching test, catalyst performance aging test

    利凱特使用的是直流電力測功機系統，可進行速度特性試驗負荷特性試驗熱磨合循環試驗強化耐久試驗，主要用於摩托車匹配試驗和催化劑性能及老化試驗。
  11. Reecat company adapts dc - power test system, go on speed performance test, load test, heat circulation test, durability test. use in motorcycle matching test, catalyst performance & aging test

    利凱特使用的是直流電力測功機系統，可進行速度特性試驗、負荷特性試驗、熱磨合循環試驗、強化耐久試驗，主要用於摩托車匹配試驗和催化劑性能及老化試驗。
  12. Criteria for the design of safety - related dc auxiliary power systems for nuclear power plants

    核電廠安全級直流電力系統設計準則
  13. Protection of telecommunications links from physical stress and radiation effects and associated requirements for dc power systems

    物理壓力和輻射效應的電信鏈路保護裝置及直流電力系統的相關要求
  14. Based on the theory of associated and decentralized control, this paper introduces the modeling method of ac / dc power system and control law deriving, which can be realized dispersedly and guarantee the stability of the system with optimal performance

    摘要介紹了交直流電力系統關聯測量分散勵磁控制的建模方法和控制規律的求取，所得控制規律既可以分散實現，又能保證全局穩定且性能最優。
  15. Through small signal stability analysis and transient stability simulation in a typical hvdc system ( epri 36 ), the results show that some characters of closed - loop system on the basis of associated feedback control, such as angle stability, voltage accuracy and small signal stability, are better than those of avr + pss

    通過一個典型交直流電力系統（ epri - 36系統）的小干擾穩定計算和暫態模擬表明，關聯測量分散勵磁控制下的閉環系統在功角穩定性、電壓調節精度以及小干擾穩定性方面均優于常規勵磁附加pss 。
  16. The control nuclear of this system is base on the single chip micro - comupter, and use the fuzzy control, transform the dc voltager - stabilzed power supply based on simulate component into a digital one. in this paper, it discussed the theory of three - phase half control ; design the fuzzy controler ; used the fuzzy control in this system

    由於目前的直流電源櫃由模擬電路實現，硬體電路復雜、元器件易老化、存在溫漂和抗干擾能力差的缺點，因此提出了單片機模糊控制晶閘管直流調壓系統的課題，對直流電源櫃進行改造，支持電站系統的工作。
  17. In general, there have some specific instruments and equipments on spot which monitor electrical parameter, including insulate and aging degree of the spot equipments, the node voltage, currents, total consume of electricity. in tradition, these data of monitoring delivers control centre by the remote technique and it works key function for the safe stability running of power system

    對于現場以及相應節點電壓電流、絕緣老化、用電量的監測，一般都在現場安排了專門的測量儀器和監控設備，這些設備的測量數據傳統上以遠動技術來傳遞到控制中心，而遠動也一直為電力系統的安全運行做出了重要的貢獻。
  18. This paper introduces the types of hvdc faults and the causes of hvdc pole blocking and analyzes the effects of hvdc pole blocking on power system stability, taking some hvdc projects for example and highlighting gaopo - zhaoqing hvdc project

    介紹了直流故障的類型和直流閉鎖的原因，重點以高肇直流輸電系統為例分析了直流閉鎖對電力系統穩定的影響。
  19. Now days, with the further improvement of dependability requires to transformer substation in electric power system, the level of on - line inspection to dc system must be strengthened to meet the request of more dependability to dc system. the content about the inspection of dc system of substation is researched in this paper, including the study of on - line inspection to storage cells and the study of earthing fault lookup. in the aspect of inspection to cells, the inspection to cells is discussed on foundation of analysing in several pieces of measuring amount to the battery

    近年來，隨著電力系統對變電站運行可靠性要求的進一步提高，為滿足大型變電站對更高可靠性直流系統的要求，就需加強對直流系統在線監測水平。本文主要討論了變電站直流系統監控方面的內容，包括了蓄電池組的在線檢測的研究和接地故障選線裝置的研究兩個方面。在蓄電池的檢測方面，在對蓄電池的幾個檢測量分析的基礎上，針對內阻的檢測做了詳細的討論，並結合原有方法的缺陷提出了自己的改進方法。
  20. Valere power, headquarters in richardson, texas, usa, is a high performance organization that markets and develops advanced dc power systems for the telecommunication and enterprise market

    總部設在美國德州，致力於發展可供通信和企業網使用的先進直流電源系統。我們現在中國誠征有志之士加入我們的隊伍。
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