electric energy system 中文意思是什麼
electric energy system
解釋
電能系統-
Estimation method of generating electric energy by pv power system
Pv電力系統發電能量的評估方法 -
This system has passed the appraisal of 1. 0 lever power meter made by dalian weighhouse, its precision and reliability fits the need of power meter, thus it is a kind of electric energy measurement and control system which can easily use and should be popularized
本系統現已通過大連市計量所電表1 . 0級的鑒定，其精度、可靠性完全符合電表的特性要求，是一種使用方便並值得推廣的電能計量控制系統。 -
Reference to correlative products abroad and home, this paper puts forward with a kind of new scheme of electric energy measurement and control system which adopts master / slave structure to realize centralized measurement, control and management of electric energy
本文在參考國內外相關產品的基礎上，結合實際工程提出的一套採用主從式結構進行集中式電能計量、控制、管理的電能計量控制系統的設計方案。 -
Several technologies researched and applied in research of the thesis which includes the technique of electric energy measurement, the remote and automatic reading meter, gprs, embedded system and remote update application in terminal. the system has advantage of execution efficiency, software cubage, and response speed and communication expense
終端系統的設計基於嵌入式系統，充分利用了嵌入式操作系統的多任務能力、模塊可裁剪能力，嵌入式處理器的速度快、尋址能力強和資源豐富以及gprs網路永遠在線、通信費用低廉等優勢，在執行效率、代碼體積、通信處理能力和經濟效益上都有著強大的優勢。 -
They can be applied to electric power automatic control in many fields such as heat power plant, heat - electric generating plant, hydroelectric power plant, electric network, substation, pumping station, hydro - junction etc. and for electric power dispatching telecontrol system by telemetering and remote control, and field electric energy monitoring of the utilization and distribution equipment in numerous enterprises, can widely apply to electric power, water conservancy, metallurgy, petrochemical industry, chemical industry, railway, port, municipal administration, construction material, post and telecommunication, tobacco, papermaking, spaceflight base, civil aviation airport, hospital and school etc, many profession and field
適用於火電熱電水電電網變電站所泵站水利樞紐等方面的電力自動控制和進行遙控遙測的電力調度遠動系統，以及眾多企事業單位用電配電設備的現場電量監控等。可廣泛應用於電力水利冶金石化化工鐵路港口市政建材郵電煙草造紙航天基地民航機場以及醫院學校等多種行業或領域。 -
Analysis on power supply mode of electric traction system and the effects of traction load on the quality of electric energy
電力牽引系統供電方式及其負荷對電能質量影響的分析研究 -
Ddsy951 electronic single - phase advace - payment electric energy meter following as meter with a shielded and sealed construction, adops microelectromic technoligy to measure electricity and comes up to standard of gb t17215 - 1998 and gb t18460 - 2001. it collects handles and stores dataset with advanced monolithic processing system. the meter features in good abti - electromagnetism, low power loss, high precision, abstraction - of - electricity prevention, high overload and long service life
Dtsy951電子式三相預付費液晶電能表下稱電表採用微電子技術計量電能，符合gb t17215 - 1998和gb t18460 - 2001標準的電表，採用全屏蔽全封閉結構，用先進的單片機處理系統進行數據的採集處理和保存，具有良好的抗電磁干擾低自耗節電高精度不需校表防竊表高過載長壽命的特點。 -
The high - voltage transmission lines take on an important task of carrying electric energy, which are the vitals of electrical power system
高壓輸電線路是電力系統的命脈，它擔負著傳送電能的重任。 -
Ac tri - phase reactive electric energy display control instrument ; double screen digital display ; outline dimension 16080 mm ; no communication interface ; no transmit output ; tri - phase four - wire system ; high limit alarm lower limit alarm ; switch power supply ; input voltage signal 0380v ; input current signal 05a ; reactive power display 0114. 0kw active electric energy display 09999999999999kwh
交流三相無功電能顯示控制儀雙屏數字顯示外形尺寸16080 ;無通訊介面無變送輸出三相四線制上限報警下限報警開關電源供電輸入電壓信號0 380v輸入電流信號0 5a無功功率顯示0 114 . 0kw ;有功電能顯示0 9999999999999kwh 。 -
For conductive fillers / piezoelectric ceramic / polymer composites, based on the piezoelectric and conductive theories, mechanical energy or sound energy can change into electric energy induced by piezoelectric ceramic ' s piezoelectric effect, and then these energy can be dissipated in form of heat energy through conductive network formed by conductive fillers in the system
在導電填料/壓電陶瓷/聚合物復合材料體系中，根據壓電、導電原理，機械振動能（或聲能）可通過壓電陶瓷的壓電效應轉換為電能，並通過體系中導電填料形成的導電網路，將電能以熱的形式耗散，從而達到減振降噪的效果。 -
Energy conservation and and reformation of power plants " heat installation affect a lot on the efficient performance of opertion of power plant. pump and fan take a large proportion in power plant and resume much electric energy. so there is much energy conservation pationlity in them. and we should have strong tools and theories " support to reform them. we can combine the theory modeling and engineering design manufacture by the bussiness software such as fluent. in order to take full advantage of the powerful function of fluent and increase absolutely its conveniece and interaction, we should develop fluent secondly. this paper puts the idea firstly demostricly to substitute the performance test of pump and fan to get the integrative system of the optimization and computer aid design, and so we can increase greatly of the efficiecy and quality of the facility reformation. the main idea about the secondary development of fluent in this paper is based on the secondary development of gambit, the modeling and meshing s oftware of fluent, and simplify the modeling and meshing of gambit. meanwile, the data management base on web browser kind is adopted for the convenience of optimization and parameterization, and the journal files createdly recently can get new medeling and meshing files that can be used by fluent. so the designer can focus on the computer scheme and the result analysis without care the fussy designing and optimiziation. so we can increase greatly the optimization efficiency
泵與風機在電廠中占較大數量比例，且消耗大量電能，節能潛力巨大，對其改造需要強有力的工具和理論支持，用商用cfd軟體如fluent可實現泵與風機改造中的理論模擬與工程設計製造間的結合。為了充分發揮fluent的強大功能，又能最大程度地提高其方便性與交戶性，應對其進行二次開發。本課題在國內首先提出對fluent進行二次開發，替代泵與風機性能試驗，形成一體化的優化、輔助製造系統，可大大提高設備改造的效率與質量，其主要思想是基於fluent的cad構體軟體gambit進行二次開發，簡化了泵的構體過程，同時，為了優化及參數化方便，採用基於webbrowser的數據管理方式，生成新的記錄文件同時產生新的fluent計算能識別的圖形網格文件，這樣就將設計優化者從繁瑣的圖形設計及優化中解脫出來，專注于對計算方案的確定及計算結果的分析，極大地提高了設計優化的效率。 -
In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on
本文首先系統地總結了目前國內外低壓電力網數據傳輸技術的研究現狀和存在的問題，在此基礎上，從理論上論證了在低壓電網上應用擴頻載波數據通信技術的可行性和優越性，並重點論述了擴頻載波技術抗電力線噪聲干擾的機埋；本文提出了一個新穎的基於低壓電力線擴頻載波通信技術的集中遠抄系統的總體方案，即由用戶終端、集中器和電能管理系統所組成的網路系統，其中，用戶終端到配變集中器用低壓電力線作為通道，中間無需其他硬體中繼設備，集中器到電能管理系統用公用電話網作為通道。 -
With the development of science and technology more attentions have been concentrated on the performance analysis of the following systems : variable speed drive system of ac machines with power electronics and control devices, power energy system composed of ac machines and power lines, electric machine system consisting of ac machines and excitation control devices
隨著科學技術的發展，交流電機與電力電子及其控制裝置組成的調速傳動系統、交流電機與電力傳輸線組成的電能系統、交流電機與勵磁控制裝置組成的電機系統等的性能分析越來越受到關注。 -
The electric power data network must make sure that the electric power system has high security, stabilization and efficiency. the information of schedular automatization, electricity energy collection, water instance measure, report and electricity network malfunction analysis requires very high security
電力數據網必須保證電力系統安全、穩定、高效生產的需要，其中調度自動化信息、電能量採集信息、水情測報信息和電網故障的分析等信息的安全性要求極高。 -
The first part of the paper is designing the testing project for grounding resistance and insulation resistance in a new way. using 16bits ad converter with programmable control amplifier replaced the way which used changing resistance to change measure range. lt is not only improved testing precision and develop the system expediently, but also reduced the area of the circuit boardwith the new way. in order to make the electric implement safety testing system have upstanding expansibility, the software and hardware of the system adopted the modularization design. adopted mcu atmegal28 as a master mcu which control mmi, realtime clock and communication with slaver mcu. atemga8 as the slaver mcu to realize testing function. so it is easy to add or reduce the testing project. the testing implement system has been developed successfully, and the comments for the system is that it has high precision, high expansibility and easy maintain. but considering the electric implement system should have intelligence and humanity abi lity. so this paper bring forward a scheme of electric equipment safety testing embedded system with speech control. after introduce the basic theory of speech recognition, the paper expatiate the characters of this system. the system is a noise conditon, not special people, small glossary, insulation word system. with these characters design the speech recognition as fellow. utilizing cross zero ratio and short energy to ensure jumping - off point and end point ; adopting mfcc as the character parameters of speech recognition ; the character parameters than be recognized by dtw. in order to ensure the credibility of this project, first realized by matlab in computer
在介紹了語音識別的基本原理后，闡述了本系統的特點：本系統是一個噪聲環境下非特定人、小詞匯量、孤立詞的語音識別系統。根據本系統的這些特點設計了如下語音識別方案：利用過零率和短時能量相結合的方式確定語音端點；採用mel頻率倒譜系數（ mfcc ）作為語音識別的特徵參數；得到的特徵參數最後通過動態時間規整（ dtw ）的模式識別方法進行識別。為了確保本系統實現方案的可靠性，首先通過計算機利用matlab軟體來模擬，在演算法模擬實現后又進一步增加環境的復雜性：加上較大的環境噪聲、突發性的噪聲等，再通過修改參數、修改參考模板、兩級識別等各種提高語音識別精度的方法來提廣東工業大學工學碩士學位論文高識別率。 -
In the situation of using mass electric energy or three - phase four - wire system, the three - phase static inverter must be adopted
在用電量大或需要三相四線制供電的場合，需要採用三相靜止變流器。 -
Special windpipe is adopted for the heating system. featuring quick heating, recyclable heat energy, thus the electric energy can be saved
加熱系統採用特殊風管設計，加熱恰、熱能回收、節省電力。 -
Abstract : the impact of climatic abnormal on energy demand is analysed and assessed through the impact of high temperature on electric supply system in beijing in 1997 " s summer
文摘:通過北京地區1997年夏季異常高溫對供電及電網系統的影響，說明氣候異常對能源需求的影響和評估的途徑，並對未來氣候變暖的可能影響作出相應的評估。 -
Massive use of power electronic devices as nonlinear load in power system is leading to serious harmonic impact, and conventional electric energy metering method may cause certain errors when harmonics exist
電力電子器件非線性負荷在電網中的大量投入使用，使電網中的諧波影響日趨嚴重，常規電能計量方式在諧波情況下存在一定誤差。 -
In addition, it is neccesary to deeply carry out foundational study for the following subjects : the control technique of distributed power generation ; the power market mechanism suitable for fussion of the distributed power generation, and corresponding political regulations ; management of electric energy quality, and stratagy of operation and control for the combined power system ; planning of the combined power system, and scheme of putting units into operation ; pricing of the power marker, and distributing scheme of network loss etc
另外，對于分散式發電控制技術，適應融合分散式發電的電力市場機制和相應政策法規，聯合電力系統的電能質量管理、運行和控制策略，聯合電力系統規劃、機組投運方案，電力市場定價以及網損分配方案等需要進行深入的基礎研究，並結合實際國情制訂相應的標準。
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