無功損耗 的英文怎麼說

中文拼音 [wúgōngsǔnhào]
無功損耗 英文
no load loss
  • 無 : 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...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 損 : 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...
  • 耗 : 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） ...
  • 無功 : [電學] idle; idle work
  • 損耗 : 1. （損失消耗） loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
  1. Reactive power optimization is of great impotae to voltage quality twee, powerloss minimization and thus security and economic operation of power system

    電力系統無功優化對保證電壓質量、降低運行損耗，實現電網的安全經濟運行具有重要意義。
  2. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  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

    負責制定電能測量和負荷控制設備（如：有功、無功電度表、最大需量指示器、損耗和需量的遙測、遠程抄表設備、時間開關、負荷和費率控制設備及用戶服務等）的國際標準，包括功能相近的運用電子技術實現的設備及其附件。
  4. 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

    對配電網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網的潮流，得到有功功率損耗和電壓的模糊區間值，使網損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，通過求解多目標函數和約束條件的模糊集合的交集，得出網損率和節點電壓最大偏移量最小的最優運行狀態。
  5. 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

    本研究通過分析所獲得的最優綜合控制組合曲線及電網潮流，總結出了如下規則：隴南電網在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，達到控制網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網有功損耗最小，從而也提高了電網安全運行水平及供電質量。
  6. It is built using graphical technology of geographic information system and can be used as the graphical plate for power system software, making the operation and the management of the devices easy and intuitionist, and the analysis of network topology more automatic and accurate. in the aspect of the calculation of loss, this system calculates the loss of the active power and reactive power, forms the result in the database considering the differences of load - curves at every node, and allows the property or queries loss of the devices using graphic interface

    它以地理信息系統（ gis ）的圖形化技術為基礎，為電力系統軟體架設圖形化平臺，使設備的操作、管理更加直觀，使電力系統的網路拓撲分析程序更加自動化、準確；在線損計算方面，考慮了各負荷節點負荷曲線的不同，可以從計算結果中分別統計有功損耗和無功損耗，也可以方便的在配網圖上對各種元件進行屬性查詢，損耗查詢等。
  7. In china, the quantity of electromotor - consumed electricity is 60 % - 68 % of that of all industry - consumed electricity. reactive wastage aroused by electromotor is central source of electricity wastage. since large and medium - sized electromotor contribute mainly to the equipment consumed electricity of many industry enterprises, how to reduce wastage aroused by large and medium - sized electromotor has become the key to saving energy and reducing wastage for many industry enterprises

    在我國，電機所耗電能占整個工業用電的60 - 68 ，電機等感性負載所引起的無功損耗是電網無功損耗的主要來源，而大中型電機又是許多工業企業的主要用電設備，因此，如何減少大中型電機造成的無功損耗成為許多工業企業節能降耗的關鍵。
  8. From the perspective of minimum transmission losses, an instantaneous reactive power theory for systems with any number of phases and with or without neutral line is developed. under the new definition, each quantity has its own physical meaning, and the zero sequence current can be decomposed into active and reactive components. furthermore, a generalized compensation method for zero sequence current is developed

    從輸電損耗最小的角度出發，提出了任意相無中性線或有中性線系統的瞬時無功功率理論，在新的理論下，每個量都有清晰的物理意義，且能分解出零序電流的有功分量和無功分量，並給出了通用的零序電流補償方法，揭示了瞬時無功功率理論與傳統平均意義下的無功功率理論的聯系及本質區別，從而為研究hvdc - vsc及各種facts裝置的無功功率控制奠定了理論基礎。
  9. For the algorithm of reactive power optimization, presented in this paper, in order to found the linear programming model equations, the objective function is minimum total power losses, the controlled variables include the compensating capacity of reactive power, generator bus voltages and transformer tap positions, the state variables include reactive power of the generators, and the voltage amplitudes in the ends of transformers

    本文研究的電力系統無功優化演算法是以整個網路的損耗最小為目標函數，以無功補償設備出力、發電機端電壓和可調變壓器變比為控制變量，以發電機的無功出力和變壓器端電壓幅值為狀態變量建立了線性規劃模型方程。
  10. The reactive power optimization of a radial distribution system can efficiently minimize the real power losses and improve voltage level of it, so that the yearly running charge will be reduced and the quality of power energy can be increased

    配電網無功優化可以有效地降低網路有功損耗，提高系統的電壓合格率，從而降低網路運行費用，提高供電質量。
  11. 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，如果就地投入補償過大，多餘的無功就要通過輸配電線路向其他設備或區域輸送，也會造成無功和有功損耗，使得用戶的電壓偏高，影響到電力網的安全經濟運行。
  12. Capacitors dispatch of distribution system is an efficient method to network loss reduction and voltage improvement in the distribution system operation. it is an important component of distribution automation system ( das ). the thesis mainly discusses reactive optimal control of distribution system

    首先，研究了配電網無功優化控制的基本理論，討論了配電網無功優化控制對電壓和有功損耗的影響，提出配電饋線電容器優化控制對進一步降低配電網的有功損耗效果顯著。
  13. Based on the theory of branch complex power, accurate formulas are derived to determine complex loss and flow components in power elements. to overcome the deficiencies of the traditional methods which transmission cost is allocated to users only based on active power flow and the existed using portion definitions which fail to take it into account that the interaction of active and reactive power, a new definition of the using portion of a power element by a particular generator or load is addressed

    針對當前輸電費用只按有功潮流進行分配，無法計及無功潮流交叉影響的缺陷和基於傳統的電路理論無法結合有功無功潮流來定義元件使用份額的問題，本文又在復功率電源的支路功率分量理論基礎之上，基於發電機和負荷的復功率在支路上引起的有功損耗分量，給出了發電機和負荷對元件使用份額的新定義。
  14. Thus the reactive compensator can be located in the center of the distributed load in the area and make the best user of the compensator ' s capacity. the distance flowed by the reactive current is efficiently reduced and the active loss of power net goes down. two - stage control model is adopted in the optimized control technique of the system

    該系統採用了測量點與補償點與分開的方式，實現了區域性無功負荷監視，使無功補償點可以安置在區域性分散負荷的中心部位，最大程度地利用了補償容量，有效地縮短了無功電流傳輸的距離，降低了電網的有功損耗。
  15. The result of long - term operation shows that the computer control system is practical and effective, it can run in the optimal state within a long duration to fully realize data collection and process, remote data transmission and vfvs constant injection control of pumps. it speeds up the automatic procedures of the seawater treatment process, really realizes the unmanned working, decreases the physical intensity to a large extent, improves the management, enhances the management level, avoids equipment wear down as much as possible, makes the seawater treatment efficient and lessens the cost of production

    長期的運行結果表明，該計算機控制系統的實施切實有效，既成功實現了對被檢測參數的數據採集與處理、遠傳以及注水泵機組的變頻調速恆壓注水控制，又提高了系統的自動化程序，真正實現了無人值班作業，在很大程度上降低了工作人員的勞動強度，極大的改善了現場的管理狀況，提高了生產管理水平，且有效避免了設備損耗，提高了水處理效率，降低了生產成本。
  16. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起，首次利用該種有源區結構制備出偏振不靈敏半導體光放大器，並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬，在不同信號波長，不同信號功率0 - 200ma的注入電流范圍內，偏振相關損耗均《 0 . 9db ，在耦合差損為7db / facet的條件下，最大fiber - to - fiher增益達10db ，無損操作電流為50 - 70ma ，消光比達50db以上，而噪聲指數則低於8db ，最小可達4 . 6db 。
  17. Because it is a long time before the hybrid method getting the field, one can use the artificial net work ' s character of learning by itself, and get the law of the path loss. consequently, it become easier to study the wireless electrical wave ' s propagation characters

    利用混合法計算場，比較耗時，可以運用人工神經網路的自學習功能，就能很快得出路徑損耗規律，從而更加方便對室內的無線電波傳播特性進行研究。
  18. The electric power harmonic comprehensive control system with low cast and high security is applied in this article. it adopts that sourced compensation links with non - sourced compensation herewhich the former is realized by high frequency pwm control technology and the latter is carried out by crystal switch formed by non - flow and over - voltage. it can realize stepless modulation with imaginary power, mightiness compensation of harmonic and negative electricity, and circuitry consumption debasing are achieved

    提出採用有源補償與無源補償相結合的電力諧波綜合治理技術及裝置，無源部分採用無涌流和過電壓的晶閘管控制電容器技術實現，有源部分採用高頻pwm控制技術實現，成本低、可靠性高、可實現無功功率的無級調節、強力補償諧波電流和負序電流，降低線路損耗。
  19. The propose method performs ranking of the contingencies using a severity index based on the incremental reactive power losses and of sensitiveness between the base case and contingency base. based on the ranking, a short list of contingencies is to be selected for full simulation

    為了減少計算量對預想事故進行了排序、選擇出便於最大輸電能力求解的集合，為此提出了無功損耗增量指標和l / p _ （ ij ）靈敏度指標的排序方法。
  20. 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，無功功率和有功功率是密切相關的，在輸送電力負荷所需要有功功率的同時必須消耗一定量的無功功率，同時輸送無功電力也需要消耗有功功率。如果大量的無功電力不能就地供應，靠長途輸運，就會產生較大的無功和有功損耗及電壓降落。
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