負荷不同率 的英文怎麼說

中文拼音 [tóng]
負荷不同率 英文
load diversity
  • : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
  • : 荷名詞(蓮) lotus
  • : 名詞[書面語] (剁物所用的木墩) a block of wood
  • : 率名詞(比值) rate; ratio; proportion
  • 負荷 : [電學] load; charge; weight
  1. First from system aspect, this paper uses voltage sensitivity, pv curves method, equivalent reactive compensation method, back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system. the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation. the erc and back - up methods can evaluate the availability of replacing other generators. the value determines the cost

    從對系統貢獻角度,採用電壓靈敏度方法( vs法) 、 pv曲線法、等效無功補償法( erc ) 、無功備用方法來確定一個七節點系統中的發電機的無功價值和ieee14節點系統的發電機的無功價值,電壓靈敏度法和pv曲線法可比較出電源跟蹤變化的靈敏度大小,而等效無功補償法和無功備用方法可比較出電源替換其它發電機是否是最有效的。
  2. It ' s the first time to explore the combustion characteristics of lpg / diesel mixing fuel engine, and find that, with the change of load and rotation, the changing trend of the ignition delay period of e10 mixing fuel is almost as identical as that of the diesel, but that of e30 mixing fuel is very different. comparing with diesel, the combustion of e10 is improved slightly, but that of e30 greatly changes ; the maximum eruptive pressure decreases ; the maximum pressure increase rate decreases ; the highest releasing heat rate increases ; the highest combustion temperature falls ; the ignition delay period extends

    結果表明: e10混合燃料與柴油的著火滯燃期隨和轉速的變化趨勢基本一致; e30混合燃料與柴油則有所; eio混合燃料發動機的燃燒與純柴油相比,略有改善; e30混合燃料的燃燒特性發生明顯的變化,最高爆發壓力下降,最大壓力升高減小,最大燃燒放熱增大,最高燃燒溫度下降,滯燃期延長。
  3. The over - current relay works to protect oscillation tubes and rectifier, when the current exceeds its limits. frequency deviation caused by faulty operation is also prevented

    當電流超過限制值時,過電流繼電器自動保護振蕩管和整流器,時可以避免由當操作所引起的頻漂移。
  4. This paper, based on the electric policies of some city, compares in aspects of the capacities and electric powers of main equipment, initial investment, annual operating power costs and the economic analysis of ice storage air condition with normal air condition in different quantity of the storage - ice

    本文鑒于某市的電價政策,通過計算某工程的設計日及全年空調,得出各自所需的設備容量及電功大小,分析比較了初投資及年運行電費等,並按的設計日對此工程進行了蓄冰量時的經濟分析比較。
  5. The height of media 、 the ratio of gas to liquid 、 hydraulic loading 、 the organic and ammonia loading of influent are the key factors influence the performance of one - stage aerobic baf. the conclusions of the experiment are as following : the best height to remove the organic matter and ammonia is at 60cm 、 120cm from the influent side respectively. the best ratio of gas to liquid is 3 : 1 4 : 1 ; the organic and ammonia loading of influent have litlle influence on the performance of one - stage aerobic baf when the concentration are low ; whe the ratio of gas to liquid is 3 : 1, the ammonia loading is blow 0. 87kgnh _ 4 ~ + - n / m ~ 3. d, the enfluent concentration of ammonia is blow 5mg / l which satisfies the water reuse standard ; at different organic loadings, the removal of organic matter keeps 35 % 45 %. hypothermia is unfavourable to nitrification for one - stage aerobic baf to removel ammonia, the influent concentration of ammonia can ’ t satisfy the water reuse standard

    試驗表明:對有機物的去除主要發生在進水端60cm內,對氨氮的去除主要發生在進水端120cm內;曝氣生物濾池運行的最佳氣水比為3 : 1 4 : 1 ;在進水有機物和氨氮濃度比較小時,水力對其去除影響大;在氣水比為3 : 1 ,進水氨氮小於0 . 87kgnh4 + - n / m3 (濾料) ? d時,出水氨氮小於5mg / l ,滿足回用水的要求;在有機下,有機物去除保持在35 % 45 % 。
  6. This paper analyzes the composing of the cost of the production of electric power and the optimization methods of economic dispatch and gives emphasis on the application of the equal incremental equation method to economic dispatch of generating load in ma wan power plant

    論文對火電廠生產成本構成進行了分析,利用優化理論對機組在工況下的經濟分配問題進行探討,應用等微增方法結合媽灣電廠實際生產狀況進行發電經濟分配。
  7. In sum, the main contents of the thesis include : 1. analyses of the impact of different load characteristics on static voltage stability with the v - p - and - v - q curves of power system loads

    歸納起來,本文的主要內容包括: 1 .應用電力系統的電壓-功特性曲線,分析了特性對靜態電壓穩定性的影響。
  8. One of the characteristics of gprs service different from real - time voice service is that it requires very low erroneous frame rate. the accuracy of packet data can be guaranteed through the mechanism of retransmission, which, however, leads to longer transmission delay and low payload in spite of busy channels

    Gprs業務於實時語音的一個特點是它要求有很低的誤幀,這可以通過重傳機制保證分組數據的正確,但重傳將使傳輸時延大、通道盡管很忙但有效的卻低。
  9. Based on the further study of dynamic characteristic of the tractor - implement combination, according to the integrated control model, which including the flowing three parameters : the engine load rate, drive wheel slip and work resistance, and the three control strategies, which are : highest production efficiency control strategy, oil consume economic control strategy and give attention to the above control strategy, we can adopt different control strategies according to different purpose of the task. applying the theory of the hybrid dynamic system to this case, the three control strategies can be abstracted to three discrete matters, and then the exchange model of the discrete matters of the top layer ( which called manage layer ) of the tractor - implement combination and the function decision model, which based on the nerve network, can be established. through this way, the best ad aptive controlling of the tractor came true

    本文研究了拖拉機機組的綜合控制問題及其最佳匹配方法,在深入研究機組動態特性的基礎上,根據發動機、驅動輪滑轉和作業阻力三參數的綜合綜合控制模型以及三種綜合控制策略(最高生產效的控制策略、燃油經濟性的控制策略和兼顧最高生產效及燃油經濟性的控制策略) ,針對的作業目的,採用的控制策略,應用混雜動態系統理論,把三種控制策略抽象為三種離散事件,建立了拖拉機機組上層(管理層)離散事件切換模型,並建立了基於神經網路的功能決策層模型,從而實現了拖拉機機組的整機最優控制。
  10. During the calculation of reactive power and voltage in the power network, reactive power insufficiency and the system under - voltage are always concerned. in the same way, we should consider the problem that reactive power surplus and over - voltage during the period of low - water and low load

    在無功電壓優化計算中,對于無功功足和系統電壓偏低的情況一直是研究者關注的問題;樣在枯水期輕時,電網運行中也要考慮到無功功過剩,系統電壓偏高的問題。
  11. The system uses tomcats. 2 and resin2. 0 as jsp engine at the same time at one machine so as to test the feasibility and stability by deploying different port to different jsp engine to provide virtual multi - server environment. this can improve the using rate of single server and provides effective solutions to burdened server at the time of responding to the request of client

    系統採用了tomcat3 . 2與resin2 . 0時作為jsp引擎(時還作為webserver和servlet容器) ,在單服務器下通過埠的設置構造了虛擬的多服務器環境,試驗了單機系統里多jsp引擎( web服務器、 servlet容器)時運行的可行性與穩定性,提高了網路服務器的利用,也為單一服務器高運行時有效產生客戶端響應提供了行之有效的解決方案。
  12. Under different load, when we apply this software to any time, region and cooling way, we can get the hottest spot increment and aging rating. to manufactory, the software means sounder thermal design, which will meet the load, putted forward by user, while to user, the software equal to a master who can help them decide the capacity rating of the transformer, which will fit the load. by using the software, the potential danger and the waste, caused by unfit load choice may be avoided

    研究開發了計算乾式電力變壓器載能力的計算軟體,可對于各種絕緣結構,各種冷卻方式和任一地區、任一時間下運行的變壓器在運行載下的最熱點溫升絕緣老化進行分析和計算,時利用該軟體製造廠可以依據用戶提出的運行載量給出相應的熱設計方案,用戶可根據運行載情況利用軟體計算所需變壓器的額定容量,避免額定容量選擇當造成隱患和浪費。
  13. When the load of agriculture and illume is forecasted, the load is decomposed into stationary terms that is not related to meteorologic factors and random term that is related to meteorologic factors by use of wavelet analysis. because the forecasting accuracy of stationary term is higher and the amplitude of random term, although it is difficult to forecast, is smaller, so the impact of forecasting error bringing about by random factors on final forecasting result is weakened

    在預測行業的時,利用小波分析的方法對農業和照明序列進行分解,然後將頻較低的部分視為與氣象因素無關的穩定項進行處理,將頻較高的部分視為與氣象因素相關的隨機項進行處理,由於穩定項預測精度高,隨機項雖較難預測但幅值較小,因此削弱了隨機因素帶來的預測誤差對最終結果的影響。
  14. According to the characteristic of nine - area diagram of substation vol / var coordinated control, this system gives the defination of fuzzy sets and the degree of membership of input / output variables, and designs corresponding control rules. the results of simulation demonstrate the system can satisfy the constrains of the day - adjusting times of the switching of on - load transformer and paralleled compensation capacitors, and ensure voltage quality, reactive power basical balance. considering the var requirement in different load time period and the control demand in load saltation, a improved control scheme is provided. the results of simulation show the improved scheme can meet the demand of vol / var in different load time period, protect the wrong operation when either voltage or reactive power appears saltation, and decrease the times of regulation of the switching of on - load transformer and paralleled compensation capacitors finally, a background software module of substation vol / var coordinated control is designed, based on the supervisory control and data acquisition system of substation

    模擬結果證明該系統能在各種條件下確保電壓合格和無功基本平衡,且能滿足變電站對有載調壓變壓器分接頭日調節次數和並聯補償電容器組的日投切次數的限制。通過考慮時段對無功功的需求和突變情況下的控制要求,對上述模糊控制策略進行了改進,模擬結果證明改進后的控制策略能滿足時段對電壓和無功的要求、抑制電壓或無功突變情況下的誤動作,且有效地減少了有載調壓變壓器分接頭和並聯補償電容器組的調節次數。最後基於變電站scada系統設計了一后臺電壓無功綜合控制軟體模塊。
  15. The paper attempt to applied sequential cluster method to set up the classification standard, then it regards the correlation coefficients of record values as weights and predicts the future loads by using markov chain model with weights. this method make the best of the information comprised in load series and solved the problem of obtaining weather information. not only the concrete value of the monthly sales electric energy but its range in the future is gained

    實際上,各月份的氣象、經濟因素之間具有一定的相關性,這些相關信息已經包含在序列中,本文嘗試將馬爾可夫鏈理論應用於預測之中,應用聚類分析的方法確定分級標準,將分為的狀態,根據狀態之間的轉移概來推測未來的發展變化,並將觀測值之間的相關系數作為權值進行綜合預測,更加合理地利用了序列中包含的信息,僅可以預測出未來的具體值,而且得到了其所屬的區間,具有一定的實用價值。
  16. The paper put forward three integrated control strategies adapting full of engine load, i. e. highest production efficiency control strategy, oil consume economic control strategy and give attention to the above control strategy. to aim at different task apply correspondent control strategy. so the simulation control study had practical purpose

    提出了適應全工況的三種綜合控制策略:最高生產效的控制策略、燃油經濟性的控制策略和兼顧最高生產效及燃油經濟性的控制策略,針對的作業目的,應用的控制策略,使模擬控制研究具有實用的目的。
  17. Under different rev and loads, the optimal diesel / alcohol proportion would be different. in order to find out the change rule of optimal diesel / alcohol proportion, an orthogonal regression rotating experiment of three factors ( rev, diesel / alcohol proportion and load ) at five levels has been carried out. based on the experiment, four regression equations including energy consumption, soot emission, noise level, and power equations concerning the three factors have been established

    在性能試驗的基礎上,還進行了三因素五水平的二次正交回歸旋轉組合試驗,建立了能耗、煙度、噪聲、功與轉速、酒精摻燒之間的回歸模型,通過分析可知,這些模型具有較高的可信度;利用這些模型,本文最後對工況下的最佳酒精摻燒進行優化分析,並利用正交多項式回歸,求出了最佳摻燒與轉速、之間的回歸模型,該模型在今後的深入研究中將起到一定的指導作用。
  18. The impact of load characteristics and on load tap changer on static voltage stability is analyzed with the methods based on v - q and v - p curves, and the phenomenon of voltage stability voltage instability and voltage collapse are studied with steady - state simulation. finally the thesis presents the essential explanations of both voltage stability and the mechanism of voltage collapse. xu yonghua ( electrical engineering ) directed by prof

    通過電壓?功曲線分析法定性分析了特性和有載調壓變壓器對靜態電壓穩定性的影響,並通過靜態模擬法從物理現象上研究了電壓失穩和電壓崩潰現象,最後針對這些現象給出了關于電壓穩定、以及電壓崩潰的本質解釋。
  19. In the power transmission system, reactive capacity and active power is closely related to each other, at feeding power load required active power and reactive capacity. if a mount of reactive capacity could be supplied by far location but no local station, a great deal of reactive capacity and active power would be wasted, and its voltage be descended

    在電力傳輸系統中,無功功和有功功是密切相關的,在輸送電力所需要有功功時必須消耗一定量的無功功時輸送無功電力也需要消耗有功功。如果大量的無功電力能就地供應,靠長途輸運,就會產生較大的無功和有功損耗及電壓降落。
  20. Main factors are pointed out. in simple power system, the factors are : active power shortage 、 moment of inertia 、 load frequency coefficient ; in the loose complicated power system, the factors which make dynamic frequency dispersive are : the difference of moment of inertia 、 load frequency coefficient 、 power shortage and electric distance to hinge station of each area

    指出影響簡單系統頻特性的主要因素有:系統的功缺額、轉動慣量以及的頻調節效應系數;使聯系鬆散的復雜系統動態頻呈分散性的因素是:各區域的轉動慣量調節效應系數、功缺額、與樞紐站之間的電氣距離等。
分享友人