electric fluctuation 中文意思是什麼

electric fluctuation 解釋
電起伏
  • electric : adj. 1. 電的;帶電的;起電的,導電的,發電的,電動的。2. 令人激動的,緊張的,驚人的。3. 〈美口〉(樂曲的)用電吉他演奏的。n. 〈口語〉1. 帶電物體。2. 電動車輛。
  • fluctuation : n. 1. 波動,起伏,漲落;【物理學】脈動。2. 動搖不定,躊躇。3. 【生物學】彷徨變異。
  1. This paper introduces a simulation experimental system of 3 - phase ac arc furnace, developing a dsp based electric - arc furnace electric pole fluctuation control system

    摘要介紹一種按照實際交流電弧的特性設計的三相交流電弧爐模擬試驗系統,針對電弧爐電極升降控制提出了一種基於dsp的控制方案。
  2. Influence of electric grid voltage fluctuation on main motor drive system for four - high medium plate mill and its solution are introduced

    摘要介紹了電網電壓波動對中板四輥軋機主電機傳動系統的影響和解決方法。
  3. Phase lock and multiple frequency circuit diminishes the influence from frequency fluctuation of electric net ; in addition, multiple channels simultaneous sampling, high - precision circuit decreases the error caused from the sampling tache

    用鎖相倍頻跟蹤電路來提供采樣頻率,以減少頻率波動的影響,用多路同採的高精度采樣電路來減少採樣環節引入的誤差。
  4. At the same time, with the rapid development of electric power industry, stabile power quality issues, such as voltage fluctuation and flicker, frequency fluctuation, harmonics, have increasingly captured considerable attention from utility companies and their customers

    同時,隨著電力工業的快速發展,穩態電能質量問題如電壓波動、頻率波動、諧波等,已經引起了足夠的重視。
  5. By magnetoelectric coupling, the application of an electric field or ferroelectric polarization can change one or more of the parameters governing the ma gnetic behavior of the system. correspondingly, being possible magnetostrictive effect or electron - phonon interaction, the fluctuation of spin ordering may lead to a dielectric anomaly and ferroelectric relaxation

    通過磁電耦合,鐵電有序或外電場可導致自旋的再分佈而改變系統的磁性性質,同樣由於自旋有序的漲落通過磁致伸縮或可能的電-聲子作用可導致鐵電弛豫或介電異常。
  6. Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed

    論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構;第二章對系統內置110v直流控制電源進行了分析和設計,結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施;第三章論述了步進電機的驅動,結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路,並在試驗中得以驗證;第四章詳述了液晶驅動及顯示技術,利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路,設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼;第五章則將以上構建的整個系統應用在機車受電弓的實測中,並對測試解析度進行了分析。
  7. Aiming at the impact of electric network fluctuation on frequency diverter, it provides countermeasures in aspects of expanding electric network capacity, technical reformation, electric network filtering, applying on - line tap changer and uninterruptable power supply, and modifying frequency inverter parameter setup

    針對電網波動對變頻器運行造成的影響,從電網擴容與技術改造、電網濾波、採用有載調壓變壓器和不間斷電源、修改變頻器參數設置等方面提出了相應的措施。
  8. Consumers successively plunged a large number of silicon controlled commuted devices ( such as steel rolling 、 electrized locomotive 、 aluminium electrolysed devices etc ) and smelting devices to improve their produced efficiency or to save energy. on the one hand it is good for consumers, on the other hand it will arouse the fluctuation of voltage and frequency and it will result in the collision of the active and reactance capacity. meanwhile these nonlinear loads bring much harmonic into the electric network which deteriorate the quality of power supply and hazard the online device enormously

    用電部門為了提高生產效益、節約能源,在大電網中相繼出現了大量的可控硅整流裝置(如軋鋼、電氣化機車、鋁加工電解設備等)以及冶煉設備,這些設備的投入使用對節能有一定好處,但給電網造成有、無功沖擊,引起電壓和頻率的波動,同時,這些非線性負荷向電網注入大量諧波,大大惡化了供電系統的電能質量,給用電設備帶來了極大的危害。
  9. Once the electric power system working in an unusual service conditions. the voltage fluctuation will make the utilization equipments abnormal which influence on productivity and daily life. so voltage regulation is one of the main tasks in electric power system

    電力系統正常運行時,電壓的變動將使用電設備工作出現異常,直接影響生產和日常生活。故電壓調節是電力系統主要任務之一。變壓器有載調壓是在不斷電的情況下進行電壓調整。
  10. Electric current sensors employing highly circularly birefringent fiber are proposed. also a novel scheme to compenwte for laser source power and ambient temperature fluctuation is proposed here. this scheme is based on the traditiona1 signal - processing scheme with simpler and more effective design

    對應用高圓雙折射光纖的電流傳感器進行了研究,在傳統的信號處理方案上,保留其原方案優點,提出新的功率補償方案,對應用高圓雙折射光纖電流傳感器的溫度效應進行研究。
  11. Factors influencing power quality vary from the electric pulse in millisecond to long term voltage fluctuation

    電能質量干擾的變化范圍很廣,從毫秒級的沖擊干擾到長期的電壓幅值波動。
  12. Voltage fluctuation aroused by fluctuating loads impacts on the operation of electric equipment

    大功率的波動性負荷大量進入電網,引起電壓波動,嚴重影響電氣設備運行。
  13. Fluctuation of operating conditions in the main column resulting from the failure of control cabinet for the electric heater

    電加熱器電控櫃故障引起主塔工況波動
  14. The design of software is composed of the development of virtual panel interface and the research of algorithm of measuring electric variable. the most popular vc + + 6. 0 is used here to complete the development of the former which concludes the dynamic display of input wave - form, real - time displaying rms, power and power factor, harmonic analysis and measuring the voltage fluctuation and flicker

    其中,虛擬儀器面板界面的開發在目前最流行的可視化編輯工具visualc + + 6 . 0 ( mfc )下實現,完成了輸入電壓、電流波形的動態顯示,波形頻率、有效值、功率以及功率因數的實時顯示,諧波分析以及電壓波動和閃變的檢測。
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