無功電度表 的英文怎麼說

中文拼音 [gōngdiànbiǎo]
無功電度表 英文
kilovar-hour meter
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • : 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...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • 無功 : [電學] idle; idle work
  1. Intelligent electricity quantity concentration display instrument is a kind of intelligent instrument used to measure combined parameter of ac electricity quantity, which can simultaneously measure each phase electricity parameter in the tri - phase ac loop such as voltage, current, active power, reactive power, apparent power, power factor, frequency, active kilowatt hour, reactive kilovolt ampere - hour and so on

    智能量集中顯示儀是一種用於交流量綜合參數測量的智能儀,它可以同時測量三相交流迴路的每一相流有率視在率因數頻率有等參數。
  2. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以法使用棒銑刀銑削、化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外面的母線輪廓復雜,手工編制數控加工程序難大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成,對其他相似類型零件的加工亦具有參考意義
  3. To prepare international standards for electrical energy measuring and electrical load control equipment ( such as watt - hour meters, var - hour meters, maximum demand indicators, telemetering for consumption and demand, equipment for remote meter reading, time switches, equipment for the control of loads and tarifs and consumer services ) including the equivalent electronic forms of these devices and their accessories

    負責制定能測量和負荷控制設備(如:有無功電度表、最大需量指示器、損耗和需量的遙測、遠程抄設備、時間開關、負荷和費率控制設備及用戶服務等)的國際標準,包括能相近的運用子技術實現的設備及其附件。
  4. Since the wireless transmission system makes the best use of msp430 family chip, which is effective, high speed and precision, it is specially designed for the turbo _ generator monitoring which is handy or powered by batteries, or the room is very limited

    本文利用msp430超低耗和高集成的優點,專門針對池供和使用空間受限的汽輪機組監視保護儀,設計、實現了傳感信號的線數字傳輸系統。
  5. Ate plays a more and more important role in the test and repair of aircraft avionics, and can considerably improve servicing quality and efficiency. our task is to develop a new type of ate used to test six kinds of aircraft avionics instruments located in the cockpit. it should be able to fulfill the test of all functions and performances of each instruments according to it ’ s component maintenance manual

    本文研究一種新的航空儀自動測試設備,能對六種分佈於駕艙內的指示型航空子儀?空速馬赫數指示器、動氣壓高距離磁指示器、地平儀、姿態指示儀、水平位置指示儀進行檢測,完成維修手冊所規定的全部能、性能方面的綜合測試。
  6. A new full - wave measurement circuit structure is put forward that would increase distribution automation system reliability and veracity. the distributed protection and monitoring unit in this paper can instead of general instruments of low voltage distribution system. it not only combines ampere meter, voltage meter, active power meter, reactive power meter and power meter, frequency meter into a meter, but also increases monitoring position switch, control bus switching alternately and monitoring energy

    本文研製的保護和測控單元,可替代低壓配系統中所使用的常規儀,將原來迴路需要的、有率因數、頻率簡化為一塊,並增加了位置開關量檢測,控制母線投切和監測能,從而極大的簡化了低壓配二次儀設計、安裝調試,提高了運行、維護和管理水平。
  7. Alternating current static var - hour meters for reactive energy classes 2 and 3

    2和3級靜止式交流無功電度表
  8. Rules for the inspection of alternating current watthour and reactive energy meters for export

    出口交流有無功電度表檢驗規程
  9. Electricity meters - specification for class 3 var - hour meters

    .第4部分: 3級伏安小時規范
  10. Intelligent tri - phase ac active reactive power instrument adopt advanced microprocessor carry out smart control, and to the inputed tri - phase ac voltage and current signal carry out accurate measurement, through cpu automatically count out the tri - phase ac active reactive power value total power, conduct clear and visual display by high brightness led display tube, it can be simultaneously transferred to standard voltage current signal to transmit output, and have super - limit control alarm standard serial communication function etc

    智能三相交流有率儀採用先進的微處理器進行智能控制,對輸入的三相交流壓與流信號進行精確的測量,經過cpu自動計算出三相交流有率值總率,由高亮led數碼管進行清晰直觀的顯示,同時可轉換成標準流信號變送輸出,並具有超限控制報警標準串列通訊等能。
  11. An instance indicates that the proposed approach can find the optimal control more effectively than general approach and can minimize the reactive power through the transformer and the deviation of the secondary bus voltage. it also increases the margin of appropriate voltage in the second side

    模擬結果明,所提演算法較傳統方法能更有效地搜索到最優控制策略,使主變中流過的率及主變二次側壓偏移最小,增加了二次側壓合格裕
  12. The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation. simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, no audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer, ac regulator, and wave converter etc

    試驗明,這類變換器具有高頻氣隔離、路拓撲簡潔、兩級率變換( lfac hfac lfac ) 、率密高、雙向率流、音頻噪音、變換效率高、網側率因數高等優點。為新一代正弦交流穩壓器、子變壓器、交流調壓器、同頻波形變換器的實現奠定了關鍵技術基礎。
  13. With the development of high power microwave tube, the theoretical and experiment investigation of the high performance cathode have been conducted. the research work includes how to prepare the high performance cathode and the effect of the based metal on the cathode emission, the measurement of the inner and surface fine structures of the cathode, the discussion of emission mechanism of thermionic cathode. after a lot of experiment, we finally determined the cathode preparation with an excellent emission

    為了適應大率微波管的發展,本文展開了對高性能(大流密、長壽命)陰極的研究,研究工作包括陰極制備工藝、鋇鎢陰極基金屬對陰極發射性能影響、以及鋇鎢陰極基底內部結構損檢測及面形貌檢測、鋇鎢陰極發射機理探討及應用四個方面的實驗和理論的研究。
  14. The thesis uses sql server 6. 0 database, standard sql access interface, and oriented - object program language vc + + to implement our electric network dispatching message management system. the system can operate like this : automaticly check if having data files come ; discriminate file type ; automaticly read data into database ; rapidly give out the precise analysis results, including waveform display, fault component calculating ; select fault phase ; distinguish fault type ; precisely fault allocate ; run all kinds of database administration, like antomatic add - on, automatic deletion, amendment, inquiry by different conditions ; print all kinds of outcome and keep them into database ; share data resource by web technique ; deal with complex faults. the whole system i finished will be powerful technic support for dispatching operation

    本文採用標準的sqlserver6 . 0數據庫,標準sql訪問介面和面向對象編程工具vc + +進行編程,實現了集數據庫、分析計算、圖形化界面、網路通訊於一體的網故障錄波信息管理及故障診斷系統,該系統能夠在每次故障后自動查詢有數據文件的到來;能夠對傳送到調端的數據文件分析其類型;能夠按comtrade格式自動地將大量數據信息完整地填入數據庫中;能夠進行故障選相,故障類型判別和故障精確定位;能夠快速地對故障做出精確的分析,計算各次諧波分量,有和視在率,角,序分量等;能夠對數據庫進行各項管理,如瀏覽,自動添加和刪除,修改和按各種不同條件進行查詢;能夠將計算結果,各種格圖形列印出來和保存進數據庫中;能夠將計算分析結果通過web技術為其他部門提供共享數據資源
  15. In the making process we use hot - forging warm - forging cold extrusion forming and magnetic annealing processes to completely solve the problem of complex form hign precision dimensions difficult manufacturing lower power and so on. what s more, part surface is very smooth with no trimmed margin, continuous flowing metal fiber, high strength, lower noise. forged claw poles obviously increase generator s power and life, and also improve finished product rate of roughness

    在製造過程中採用了熱鍛溫鍛冷擠壓成型及磁性退火等先進生產工藝徹底解決了精鍛「爪極」形狀復雜尺寸精高製造難率低等問題,且產品面光潔飛邊金屬流動纖維連續毛坯強大噪音低,明顯提高了發機的率和壽命,並且提高了毛坯成品率。
  16. The negotiable instrument of present age is impacted by modern means of electronic payment, but only its extent of application is extruded. although its function of exchange, payment and settlement can be partly performed by modern electronic financial shifting system and the means of non - paper settlement, its intrinsic function, for instance, the function of credit and financing, shall not be replaced by other financial means. therefore, it is no reason to despise the development and improvement of negotiable instrument law and its theory

    當代票據,雖然受子化和現代支付手段的沖擊,但也不過是使用范圍被擠壓而已,其固有的能如信用、融資,並其他金融形式可以替代,即使匯兌、支付、結算等能也只是部分地由現代子資金移轉制紙化的支付結算方式來完成,因此,沒理由對票據法及票據理論的發展和完善現出不應有的輕視。
  17. An instance indicates that the coordinated control system can increase the margin of appropriate voltage in the 10kv bus, make the reactive power flow rational and decrease the loss of the network through the reasonable actions of its

    算例明,通過協調控制系統的合理動作,可以使10kv母線壓合格裕有較大的提高,潮流分佈合理,有效降低了網損。
  18. Intelligent single phase ac active reactive power double way instrument adopt advanced microprocessor carry out smart control and to the simultaneous inputed single phase ac voltage and current signal carry out accurate measurement, through cpu automatic count the single phase ac active power value, reactive power value, which is displied clearly and visually by the high brilliance led digital tube or high resolution light column, uper screen display active power and down screen display reactive power, and can select serial communication function

    智能單相交流有率雙路儀採用先進的微處理器進行智能控制,對同時輸入的單相交流壓與流信號進行精確測量,經過cpu自動計算出單相交流有率值,率值,由高亮led數碼管或高解析光柱進行清晰直觀的顯示,上屏顯示有率下屏顯示率,並可選擇串列通訊能。
  19. Intelligent three phase ac active reactive power instrument adopt advanced microprocessor carry out smart control and to the simultaneous inputed three phase ac voltage and current signal carry out accurate measurement, through cpu automatic count the three phase ac active power value, reactive power value, which is displayed clearly and visually by the high brilliance led digital tube or high resolution light column, uper screen display active power and down screen display reactive power, and can select serial communication function

    智能三相交流有率儀採用先進的微處理器進行智能控制,對同時輸入的三相交流壓與流信號進行精確測量,經過cpu自動計算出三相交流有率值,率值,由高亮led數碼管或高解析光柱進行清晰直觀的顯示,上屏顯示有率下屏顯示率,並可選擇串列通訊能。
  20. Intelligent single phase ac active reactive power instrument adopt advanced microprocessor carry out smart control and to the simultaneous inputed single phase ac voltage and current signal carry out accurate measurement, through cpu automatic count the single phase ac active reactive power value which is displayed clearly and visually by the high brilliance led digital tube or high resolution light column, and can select serial communication function

    智能單相交流有率儀採用先進的微處理器進行智能控制,對同時輸入的單相交流壓與流信號進行精確測量,經過cpu自動計算出單相交流有率值,由高亮led數碼管或高解析光柱進行清晰直觀的顯示,並可選擇串列通訊能。
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