power quality 中文意思是什麼

power quality 解釋
電能質量
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • quality : n 1 質,質量;性質,特質;品質,品位。2 優質,美質,優點。3 才能,能力,技能,素養。4 品種。5 身...
  1. Power quality - admissible deviation of supply voltage

    電能質量供電電壓允許偏差
  2. The reactive power is of great significance. it can reduce loss, improve voltage wave, increase power quality and maintenance system stabilization. as the generation and net disjoined, remunerating the reactive cost relates the benefits of the generation and transmission

    隨著電力市場的改革,廠網分離,競價上網后,無功成本的收回問題關繫到發、輸電各方切身的利益,逐漸受到人們的重視,但由於對其研究起步較晚,尚未形成完善的理論。
  3. Transient power quality issues have been becoming extrusive, such as voltage well, voltage sag and voltage interruption, and bring customers amount of loss

    暫態電能質量問題越來越突出,如電壓跌落、驟升、短時斷電等現象經常發生,給用戶帶來了很大的損失。
  4. The characteristic of power quality signal ' s deal by wavelet multi - resolution decomposition and time - domain analysis is studied then brings forward combine the tow methods and uses it to filter bed yawp, decomposition and feature extraction. 8 kinds of power quality are classified and characterization of sag is specially classified

    然後研究了小波多解析度分解和時域分析電能質量信號處理的特點,提出了應用兩種方法相結合的方法,對電能質量信號進行去噪、分解,通過大量的計算機模擬工作,對擾動信號進行了特徵提取。
  5. The thesis presents a expert system for identifies power quality disturbance signal, after compare the artificial neural network, nearest neighbors, fuzzy decision, and expert system. we bring forward the project flexible rule - based expert system, according to the characteristic inspection and measure system, and has a deep research on the problem of this system. this project for disturbance classifies has lower mistake ratio and facility maintenance

    採用專家系統的方法進行模式識別,在對神經網路、最近鄰法、模糊邏輯和專家系統及一些交叉方法等模式識別方法進行比較分析的基礎上,根據電能質量信號故障分析的特點,提出了採用規則基專家系統的方法,該模式識別方法具有便於擴展、修改和識別率高等特點。
  6. Status analysis on power quality of guangyuan power grid

    廣元電網電能質量現狀分析
  7. According to iec ' s standards involved, voltage fluctuation and flicker become a index of power quality. but the research in those aspects such as harmonic frequency excursion and ect

    然而,人們對于電能質量中諸如諧波、頻率偏移等方面的研究相對電壓波動和閃變來說要多得多,研究得也較成熟。
  8. It can reduce the harmonic or harmonic oscillation in public power net to take some effective measures by making use of this software, and finally reduce the power system accidents and cease time, improve power quality. it is wide application in the future

    應用該軟體的分析結果採取有效防範措施,可以預防或減少諧波源進入公用電網,減少或降低諧波諧振,進而減少電力事故和停電時間,提高電能質量,應用前景十分廣闊。
  9. During the period of june 28 to july 1 in 2003, power quality testing and analysis on the power grid of middle - broad plant of chongqing steel group corporation was performed. from the testing report, it can been seen that the refine rolling mill system will inpour badly harmonic to the power grid, which will affect the normally function of power grid

    2003年6月28日到7月1日,我校對重慶鋼鐵集團公司中板廠電力網電能質量進行了測試分析,從測試報告中可以看出該廠精軋機系統在有些工作情況下運行時會向電網注入較多的諧波,影響電網的正常運行。
  10. Practice for the transfer of power quality data

    電能質量數據傳送用實施規程
  11. On the other hand, with the development of the city and the basic demand of power supply has been meet, more and more power customers are strict at power quality

    另一方面,隨著城市的發展,越來越多的電力用戶在滿足了基本供電的需求后,對電能質量提出了更嚴格的要求。
  12. It first classifies power quality disturbancesinto stable one and transient one by wavelet ’ s multi - resolution analysis, and thencompresses the stable and transient disturbance signals by fourier transform andorthogonal wavelet packet transform, respectively

    在此基礎上,提出一種針對復雜電氣信號的基於傅立葉變換和小波包變換的綜合電能質量擾動信號數據壓縮新方法。
  13. During it consumes electric power, feeds back a great amount of high order harmonic to energy supply system and jeopardizes the electric power quality

    電氣機車為單相整流負荷,它在消耗電能的同時向牽引供電系統注入了大量的高次諧波。
  14. Application of lcd controller ic sed1335 in power quality analyzer

    1335圖形液晶控制器在多功能電量分析儀中的應用
  15. Power quality temporary and transient overvoltages

    電能質量暫時過電壓和瞬態過電壓
  16. The cabbage, radish and tomato were conducted with beneficial microecologigal preparation, and its effect on plant growth power, quality and weight of the three vegetables was observed

    摘要採用益微制劑分別在白菜、小蘿卜和番茄三種蔬菜作物上進行處理,觀測其對三種作物的植株長勢、品質和重量的影響。
  17. Harmonics, reactive power, voltage flicker and negative - sequence current of power grids can affect the power quality and harm the power equipment badly

    摘要電網中存在諧波、無功、電壓閃變及負序電流等問題,嚴重影響電能質量,危害電力設備。
  18. With the development of electric power industry reform, the customers are showing more demands in power quality, reliability, convenience and the whole process of service. however, as an invisible product, there is still no systematic research about its strategy, organizational structure and its hrm. no more are its promotion, marketing concept establishment and the capital arrangement

    但是作為沒有形式產品的電力商品如何進行增供促銷,供電企業如何樹立完整的營銷理念,建立營銷戰略思想和完善的營銷組織體系,在市場營銷活動中如何進行合理的人力資源配備和資金安排等,都沒有比較系統的研究和探討。
  19. With the development of modern industry, the nonlinear loads of power system are greatly increased. they absorb the non - sine current waves from power network and result in voltage aberrance. voltage aberrance makes the power quality severely deteriorate, endangers the safe and economical running of power system and affects some users ’ s normal work

    隨著現代工業的發展,電力系統中的非線性負荷大量增加,這些非線性負荷從電網吸收非正弦電流,導致電網電壓發生畸變,使電能質量嚴重惡化,危及電力系統安全和經濟運行,影響了用戶的正常工作。
  20. The temperature and humidity control system. the system consists of the local and administration stations and allows the center management being able to monitor the electric power supplying parameters, the electric power quality, the air conditioner running parameters and the ups running parameters in the local systems and facilities remotely using the administration station. the system divides the alert into levels, and uses different alert signals for different alarms

    在系統設計的過程中,根據系統安全性和管理的需要採用「分散式控制集中式管理」的設計模式,使區域結算中心機房管理人員,通過該系統平臺即可方便地觀看機房配電參數市電供電質量空調ups運行參數及報警狀態等信息,同時對報警事件,按照不同的報警級別,以不同的報警方式通知機房管理人員,確保機房安全穩定高效的運行。
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