power supply reliability 中文意思是什麼

power supply reliability 解釋
電源可靠性
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • supply : vt ( plied) 供給;供應;配給;補充,填補,彌補(不足、損失等)。 Cows supply us (with) milk ...
  • reliability : n. 可靠性,安全性,確實(性)。
  1. 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。
  2. Compared with a power supply made in other ways with the same capacity, the same number of outputs and the same isolation voltage, the power supply discussed in this paper has the advantages of small in size, light in weight, high efficiency and reliability, low cost and so on

    相對于用其他方式研製的具有相同輸出路數、相同功率、相同隔離電壓的電源,新型電源具有體積小、重量輕、效率高、可靠性強、價格低等顯著優點。
  3. These new methods adopt the circuit information contained in the power supply line current to realize the fault diagnosis. it can increase the fault coverage, reduce testing cost and improve the quality and reliability of ics

    它通過從電源電流信號中提取有效的信息來進行故障診斷,能夠提高故障覆蓋率,降低測試成本並提高集成電路產品的質量與可靠性。
  4. The result indicated that the equipment has high accuracy and good reliability, it can promptly, effectively adjust the boiler movement, reduces the power supply coal consumption

    結果表明,該裝置測量精度較高,可靠性好,能及時、有效地調整鍋爐運行,降低供電煤耗。
  5. The ability of power network maintaining its power supply reliability and quality is restricted by power network structure, line and load characteristics, generator drive device characteristics and relay protection mechanism

    電力網路維持其供電可靠性及電能質量的能力是受電網結構、線路和負荷特性、發電機動力設備特性以及繼電保護機制等因素影響的。
  6. It is necessary to study the welding machine power supply for endless - rolling. it can assure the working reliability of welding machine, decrease the mechanical and electric fault, prolong apparatus ' s life, reduce cost and increase product quality

    它可以保證焊機正常工作,減少機械和電氣事故,延長易損件使用壽命,減低工作強度從而實現無間隙地生產鋼材,大幅度提高車間的經濟效益,降低生產成本,提高鋼材質量。
  7. For the improvement of reliability and stability of the whole apparatus, meanwhile, for eliminating various electric - magnetic disturbance within the power supply and ground, measures such as filter, grounding, shielding are all taken in technique. the special methods are lc filter for power supply, bypass capacitor for suppressing voltage surge in printed circuit board, shielding layer wrapped in sensor head and overall grounded

    通過採用合理的濾波、接地、屏蔽等各種方法,尤其是採用電源lc濾波電路、電源上加旁路電容抑制線路板上的電壓波動、傳感頭加屏蔽層、傳感頭總體接地結構等多種抗干擾辦法,減小了電源和地線上的各種電磁干擾,保證了系統的穩定性和可靠性。
  8. The converter had the virtues of high integration level, high efficiency, high reliability and low cost. it can be formed high efficiency power supply by using a few external components

    開關電源系統由於其具有高效率、高可靠性、體積小和抗干擾能力強等優點,使得開關電源變換器電路成為國內外廣泛研究的對象。
  9. The protection and control system in subway dc power supply systems play a key role in ensuring the safety and reliability of the sub way

    摘要地鐵直流供電的保護與控制系統對確保地鐵的安全可靠運行起著關鍵作用。
  10. During the development of single - chip system, for the sake of reliability, we take a dc / dc converter as its power supply and all output are light - electricity insulated

    單片機系統設計過程中,為提高系統的可靠性,採用dc / dc隔離電源,所有輸出均進行了光電隔離;在硬體設計、電路板製作過程中均考慮了抗干擾的要求。
  11. This paper analyzes and compares between the external power source supply methods adopted in chinese subway system from six aspects, including the reliability and quality of power supply system, the working management and the project investment etc. then the author comes to the conclusion that the concentrated method is better than the separate method in terms of external power source supply

    摘要針對我國目前地鐵供電系統所採用的外部電源供電方式,從供電質量、供電可靠性、運營管理以及工程投資等六個方面進行了分析和比較,並得出集中供電方式優于分散供電方式的結論。
  12. In response to demands for greater reliability and higher quality from the power semiconductor and power supply products, it is important to develop in advance elemental technologies, production lines to heighten competitiveness, and conditions for manufacturing processes

    半導體電源機器高信?性品質求先行要素技術開?競爭力高生?製造條件開?重要。
  13. The dc distributor shelf play a important role in transformer substation, power plant, big and middle plants etc. it supply mainly to the controled, protected and communicate equipment, automechanism, manipulaor and adjusted machine. the same time it may as accident lighting power supply, so its performance and reliability affect directly the running safely of whole power supplying system

    直流電源屏作為供電電源在變電站、發電廠、大中型廠礦企業等供電系統中佔有很重要的地位,主要用於向控制、保護、通信設備、自動裝置操作機械和調節機械的傳動機構供電,同時還可以作為獨立的事故照明電源,所以其性能及可靠性直接影響到整個供電系統的正常安全運行。
  14. Power supply system made up of some parallel operating inverters can meet the needs of different load magnitudes and achieve higher quality and reliability of power supply. it is propitious to the standardization and large scale manufacturing of the inverter modules. at the same time, with the growing usage of appliances powered by special suppliers, the market needs is developing enormously

    由多個模塊化的逆變電源並聯運行構建的電源系統,可以滿足不同的負載功率需求以及較高的供電質量和可靠性要求,並且有利於逆變電源模塊生產的標準化、規模化;同時,隨著使用特種電源供電的裝備日趨增多,市場空間不斷增大,逆變電源並聯控制技術的研究具有廣泛的經濟前景和社會效益。
  15. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電阻;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。
  16. In order to increase the occupating coefficient and reliability of digital experimental box, we improve its power supply by designing a simple, reliable overcurrent protecting circuit base on the analysis of its working principle

    設計了一個簡單可靠的電源過流保護電路,分析了過流保護電路的工作原理,在此基礎上改進了數字電路實驗箱中穩壓電源電路,提高了儀器的使用效率,增強了可靠性
  17. Consequently, an integrate switch mode power supply with high efficiency and good reliability can be realized by the controller with very few external parts. the fundamental principle of monolithic voltage - mode switching regulator is firstly introduced in this thesis, which is followed by a comparison between voltage - mode and current - mode converters where the pros and cons of both converters are discussed in detail ; next, the global system architecture is proposed upon the design requirements and sub - block circuits are also introduced that focuses on several essential sub - blocks such as amp, wave, pwm control, psc, osc and vref. finally, all sub - circuits and the whole chip circuit are simulated by hspice whose results indicate that the circuit function and performance have perfectly satisfied the design requirements

    在論文中,首先闡述了電壓控制模式pwm開關電源的基本原理,對比了電流控制模式和電壓控制模式,分析了各自的優缺點;隨后根據設計要求進行了電路的總體設計,完成了各個子電路的原理分析,電路設計和模擬驗證,重點闡述了誤差放大電路、三角波發生電路、 pwm控制電路、節能控制電路、振蕩電路和基準源電路的分析、設計和驗證過程;最後,利用eda軟體hspice對整體電路進行了功能模擬驗證,模擬結果表明,本文完成了設計工作,達到設計要求。
  18. The major safety management of power supply is the human management and power supply reliability management. the managing target is ensuring the personal safety and elevating power supply reliability

    供電安全管理主要是對人的管理和供電可靠性管理,其管理目標是保障人身安全和提高供電可靠性。
  19. In service both in loop feed and terminal feed, and power supply reliability is improved

    環網和終端供電均可使用,運行方便,供電可靠
  20. By way of analyzing the major safety elements of influencing the people with electricity jobs, and the major elements of influencing the power supply reliability, integrating with practice of zhuzhou chemical industry group corporation, we take measures of safety goal management, and intensify education and cultivation, and take safety technical step, and intensify safety inspection effect

    從對影響電氣從業人員的安全因素和對影響供電可靠性的主要因素的分析入手,結合株洲化工集團公司的實際,採取安全管理目標管理、強化教育培訓、組織實施安全技術措施、強化安全檢查力度和效果等方面的措施。
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