過網損耗 的英文怎麼說

中文拼音 [guòwǎngsǔnhào]
過網損耗 英文
vnl via net loss
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : Ⅰ動1 (減損; 消耗) consume; cost 2 [方言] (拖延) waste time; dawdle Ⅱ名詞1 (壞的音信或消息) ...
  • 過網 : body over
  • 損耗 : 1. (損失消耗) loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
  1. Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory

    對配電電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究,用模糊區間來描述實際的負荷情況,並用負荷的模糊區間值計算配電的潮流,得到有功功率和電壓的模糊區間值,使率和節點電壓最大偏移量的隸屬函數更接近實際情況;將改進遺傳演算法與模糊集理論相結合,通求解多目標函數和約束條件的模糊集合的交集,得出率和節點電壓最大偏移量最小的最優運行狀態。
  2. In accordance with the fact of power system and the analysis of the power flow induced by a certain wheeling transaction in one transmission line to allocate the transmission losses and the unit power price of each transmission line, the paper proposed a corresponding wheeling costs model

    本文主要討論了電力市場中轉運費用的定價問題,結合電力系統的實際情況,通描述轉運業務對線路的使用程度來對線路固定成本及進行分攤,並提出相應的轉運費定價模型。
  3. The article consists of three parts mainly : the first part has described the method of detecting the faint signal, mainly include : detection technique of faint signal, principle of the optical fibre sensor, the little lose effects when optic fibre little curved, and the research of the stress sensor of optical fibre. the second part emphasizes on the design of the intelligent photoelectricity system, mainly tells the design of the circuit to process the faint photoelectricity signal, details the software and hardware design of intelligent photoelectricity system made of single chip microcontroller, led, man - machine interface, communication interface, etc. the third part is the network communication of the detection system, details the technology of single chip microcontroller how to group the network, and the communication between single the chip microcontroller system and the modem, and how to realize the data between the field and computer central exchanged through the existing public phone network

    文章主要分為三部分:第一部分論述了微小信號的檢測方法,主要包括微小信號的檢測技術、光纖傳感器的原理、光纖微彎效應及光纖應力傳感器的研製;第二部分重點講述了智能光電檢測系統的研製,主要講述了微弱光電信號調理電路的設計及由前(后)向通道、單片機、 led 、人機介面、通信介面等組成的智能光電系統的軟硬體的具體設計;第三部分為檢測系統的路通信部分,具體闡述了單片機系統間的組技術、單片機和modem之間的通信及通現有的公用電話路實現遠程監控的技術,實現現場檢測系統與橋梁測控中心的數據交換。
  4. Then the paper uses the same typical four network operating conditions as the primary given conditions and when adding one set of the parallel capacitor bank, changing the 330 / 220kv transformer tap changer position step by step to change the transformer ration, through this study methods this paper found out all the optimized combination of the tap changer position and the amount of input reactive power, also obtained four sets of the 330kv, 220kv and hokv s / s bus voltage and the active and reactive power losses changing curves. through analyzing the optimized combination control curve and the network power flow, the paper generalizes the rules as following : the chief measure of coordinative control is inputting shunt reactor in chengxian s / s in winter time both in the planning year of 2010 & 2005 ; in summer time in planning year of 2010 the chief measure is to input proper shunt capacitor

    本研究通分析所獲得的最優綜合控制組合曲線及電潮流,總結出了如下規則:隴南電在2005年及2010年冬大、以及2005年夏小運行方式下,綜合控制應以成縣變投入適量並聯補償電抗器作為主要措施;在2010年夏小運行方式下則投入適量並聯補償電容器作為主要措施,再輔助以選擇合適的主變有載調壓分接頭來調節,達到控制內無功潮流分佈合理、各變電站母線電壓在理想的范圍內時電有功最小,從而也提高了電安全運行水平及供電質量。
  5. On the condinary, much reactive capacity loaded would be bad, and net ' s voltage would be higher and its security would be influenced. with the needs of reducing line loss, to study the method of compensating reactive capacity has been an important task in power department

    同理,如果就地投入補償大,多餘的無功就要通輸配電線路向其他設備或區域輸送,也會造成無功和有功,使得用戶的電壓偏高,影響到電力的安全經濟運行。
  6. By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source

    模擬結果與軟開關點焊逆變器試驗結果的對比分析,得到了如下主要結論:採用輔助路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍,減小了次級占空比丟失,降低了逆變電阻點焊電源的開關;諧振電容是影響軟開關工作狀態的重要因素,其大小不僅影響開關管的零電壓關斷,同時也影響開關管的零電壓開通范圍,因此,諧振電容應該綜合考慮;功率變壓器漏感越大,越容易滿足滯后橋臂的軟開關條件,但是大的漏感也使變壓器的通態增加,降低了軟開關逆變器的效率。
  7. In order to accurately calculate the available energy dissipation resulted from the steam flowing through a restrictive device, a new view point for measuring energy in steam piping network system has been put forward, i. e. a model for computing the available energy dissipation has been obtained through entropy equation in occurrence process of the resistance, which is deduced from steam condition equation of iapws - if97

    為了準確計算蒸汽流經阻力件產生的可用能,提出了蒸汽管系統能量計量的新觀點,即通iapws - if97的蒸汽狀態方程,推導出阻力發生程的熵方程,得到可用能失計算模型。
  8. The insert loss of the passive circuit is less than 3. 5db, return loss better than 10db. the ammic5040 is used to drive the tga1141, and the power is splited into two signals, each of these is to drive tag4517. at the output port, the power is 4w

    無源小於3 . 5db ,回波優於10db 。第一級放大器採用ammc5040以驅動tga1141 ,通功率分配器將信號分為兩路以驅動兩路tga4517功率放大器。最後獲得了4w連續波功率輸出。
  9. The article has set up a new assignment process on production logistics for the industrial port of wisco ' s finished product wharf, mixing the modernized information technology, especially the abundant applying on computer network, guiding with information, by strengthening the plan of production logistics to improve the passing ability of fished product wharf and steel ' s outbound quality and level, to reduce the inefficiencies assignment of every process in the product logistics, bring down the wastage with effect

    文章構建了武鋼工業港成品碼頭新的生產物流作業流程,融合現代信息技術尤其是計算機路技術,以信息流為先導,通增強生產物流的計劃性來提高成品碼頭的通能力和鋼材外發質量與水平,減少生產物流各個環節的無效作業,有效降低物流
  10. For excessive electric energy loss in distribution network in our country, optimal control of reactive power is put forward in distribution network to decrease the line loss and increase the energy utilization rate

    摘要針對我國電電能大,提出在配電裝設無功優化控制以降低線,提高電能利用率。
  11. This paper discusses life - wastage of creep - fatigue for headers of superheater and reheater and algorithm of this two kinds wastage. based on these theories, b - p neural network with self - organized function has been introduced detailedly to calculate the fatigue wastage. at the same time, the paper introduces the calculation method of stress

    本文主要介紹了熱器和再熱器聯箱的疲勞和蠕變壽命的問題以及這兩種壽命的計算方法,並在此基礎上採用前饋型路( b - p )來計算高溫低周疲勞的壽命(疲勞和蠕變交互作用) 。
  12. The research and developing of gps / gsm vehicles watch and control system based on analyzing gps positioning technology is discussed in this article. this system is a public security prevention and far distance watching control telecommunication management which has adopt the advanced system in the world including gps / gsm, gis and internet. through this system, all the movable objectives covered by gsm net can be kept being watched and controlled from far distance. the gps data of the movable objectives and different kinds of alarm data will be sent back to the service center through gsm or cable. then the center may send the information of movable objectives " gps data and help alarms that have been already classified and identified to the different departments to deal with linking the consumers through ddn, isdn, pstnand adsl. the advantages of this system is that it adopts mature gps technology and combines the movable telecommunication net - gsm provided by china telecommunicate trades throughout the nation and it can get voice information everywhere. by utilizing internet, vbandsql server computer technology, watch and control center and far distance terminals can aim at how to increase vehicles operating efficiency, decrease wear, promote service quality and build a concentrated system of watch and control, deploy and cammand, scientific management, coordinate and process, and safety in the professions relevant with transfortation of the city

    移動目標的gps數據及各類報警數據通gsm路及電信有線路傳回監控服務中心。該中心可通ddn 、 isdn 、 pstn或adsl等方式與用戶相聯,將移動目標的gps定位信息,求救信息,報警等信息進行分類確認后,實時傳送到相應的職能部門進行處理。本系統的優點在於利用了成熟的gps全球衛星定位技術,並結合了我國電信行業在全國所開通的gsm移動通訊路,在話音上實現了全國漫遊等特點,在監控中心和遠程用戶終端利用路技術、 vb數據庫管理系統、 sqlserver分散式數據庫管理系統等計算機技術,可針對城市中與交通有關的各行各業如何提高車輛使用效率,降低,提高服務質量,建立集監控、調度指揮、科學管理、協調運營、安全防範為一體的指揮控制體系,發揮其不可替代的作用。
  13. The main idea of our algorithm is to avoid choosing nodes with lower residual energy as cluster - heads, thus to ensure balanced energy - usage among the nodes in the network

    演算法通綜合考慮候選節點的剩餘能量級、通信能量等參數來優化簇首的選擇,從而有效地避免了低能量節點被選為簇首的可能性,進一步保證路內節點能量負載的均衡性。
  14. Reactive power optimization ( rpo ) has received worldwide interest for its significant influence on secure and economic operation of power systems. the objective of rpo is to allocate reactive power generation so that the active power transmission loss is minimized, while satisfying numbers of operation constraints

    電力系統無功優化因對系統的安全性和經濟性存在重要的作用而受到廣泛的關注,該問題的目標是通改變無功功率的分佈來實現全的有功功率最小化,並且滿足各種運行約束。
  15. This passive circuit exhibits a measured 2db insert loss and 11db return loss. also, the theory of 3db power splitter is described

    實測結果表明經改進的功率分配/合成路在30 . 53ghz到39ghz范圍內小於2db ,回波優於10db 。
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