靜電電壓計 的英文怎麼說
中文拼音 [jìngdiàndiànyājì]
靜電電壓計
英文
electrostatic voltmeter- 靜 : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 壓 : 壓構詞成分。
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 靜電 : [物理學] static electricity; franklinism; franklinic electricity
- 電壓 : voltage; electric tension; electric voltage
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First, a simple discussion for the mechanism about electrostatic atomization of the liquids has been given ; then the paper theoretically analyzed waving course, liquid drop producing course, and the liquid drop diffusing course in electrostatics atomization process., gave an analysis about the methods about carrying charges to the liquid drop, and analyzed that liquid with high electrical conductivity can be carried charges and atomized by electric field, while the isolated liquid with low electrical conductivity can be charged fully with the soakage electrode and inducing charge methods. at last the paper designed and configured the experimental equipment, conducted the atomization experiment to the three liquid medium - kerosene, emulsifier and alcohol under the same environment, handled the experimental results, then summarized the relationship between liquid electrostatic atomization effect and liquid surface tension, electronic conductivity and viscosity, along with the influence of voltage to electrostatic atomization and so on, found out the liquid atomization rule in high voltage electrostatic field
首先,對液體介質的靜電霧化機理作了初步的探討,理論上分析了液體霧化過程中射流區、波紋區、霧滴區和霧滴擴散區;然後對液體荷電方法進行了研究分析,對于高電導率的液體,場致荷電和接觸荷電可以使其霧化,而對于電導率較低的絕緣液體,需用浸潤電極荷電和感應荷電方法使其充分帶電;最後,根據前面的研究分析,設計和組裝試驗裝置,在同一環境下對煤油、乳化劑、酒精三種不同液體介質進行高壓靜電霧化試驗,並對試驗結果進行分析處理,總結出液體靜電霧化與液體表面張力、電導率和粘度的關系及電壓對液體靜電霧化的影響等,得出高壓靜電場中液體霧化的一般規律。When the design pressure of the reactor / regenerator is less than or equal to the design pressure of the main fractionator, or there is some absolute mechanical limit to the regenerator pressure ( plus the static head difference between the regenerator and reactor ) that is less than the main fractionator design pressure, the units do not need large relief valves on the main fractionator
當所設計反應器或交流熱換器的壓力小於或等於主分餾器,又或者有些機械上無可避免的限制(還有就是兩靜電頭的不同)小於交流熱換器的壓力,其時整個部件就不需要大的調劑電子管了。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。Designed a set of monitor system to realize the real - time control of dust - collecting system. the security performance and automation of high - voltage electrostatic dust - collecting system are improved
並對整個系統的優化控制,進一步提高高壓靜電除塵器的安全性、可靠性、等指標進行了全面的改進設計。In order to observe process and study the rule of producing and collecting dust, and to study the performance of high - voltage electrostatic dust - collecting system, a set of analog device is designed based on on - site measure for workshop of unloading coal of qing huangdao port
對秦皇島煤碼頭翻車機房進行實地測量,設計製造了試驗模擬裝置。觀察翻卸作業起塵與收塵的物理過程,描繪起塵量與收塵量之間的變化規律。檢驗了高壓靜電除塵器的工作性能。A novel method on the basis of electro - static voltmeter theory and a specially designed instrument were introduced
摘要提出了一種新型測量直流系統絕緣子串電壓分佈的靜電計式儀器和測量方法。In this paper, they are set forth at first that the kinds of computer - simulation of electronic devices, the development and the requirements of mosfet ' s model and the way of gain the models " parameters, the dc models have been bui it in chapter 2 and the models of big signals have been deduced in chapter 3, they are different from the equivalent circuit models in the traditional software pspice that they come from the numer i ca i - s i mu i at i on wh i ch is based on the essence equat i on, so the precision of simulation is enhanced ? mosfet ' s small signal models of low frequency, intermediate frequency and high frequency have been built in chapter 4 and chapter 5, although the equivalent circuit models in pspice are used for reference to bui id them, they have their own characteristics which are analyzed at a i i kinds of situations, so that the simulation software for mosfet can be written according them and it i s a i so benef i c i a i for us to catch the gen i us character i st i cs of mosfet and to d esign all kinds of applicable devices the correctness of the models is simply proved in chapter 6
本文首先介紹了電子器件計算機模擬的分類、 mosfet的建模發展動態、對器件模型的要求以及模型參數的提取方法。在第二章中建立了mos晶體管在直流端電壓條件下的工作模型;第三章推導了mosfet的大信號模型,這兩類模型不同於傳統模擬軟體例如pspice中的等效電路模型,而是從模型方程出發,採用數值模擬的方法,提高了模擬的精度。第四章和第五章分別建立了mos晶體管低頻、中頻、高頻的小信號模型,雖然借鑒了pspice模擬軟體中用等效電路模型的方法,但是本文分別討論了準靜態和非準靜態時器件的本徵部分以及包含非本徵部分工作于低頻、中頻和高頻條件時的模型,可以根據這些模型編寫相應的模擬軟體,這樣在做器件的模擬分析與器件設計的時候,就可以利用模擬軟體逐步深入地分析器件在不同的條件下和器件的不同部分在工作時的各種小信號特性,有利於抓住器件工作的本質特性,設計出符合要求的各類通用和特殊器件。( 5 ) designed the synthetic jet actuators and the testing system. experimented it in quiescent air, and analyzed the actuator ' s influence factors, such as voltage magnitude and frequency. the results agreed with the conclusions that made from theory analysis and numerical simulation
( 5 )基於設計的合成射流激勵器及測試系統,在靜止大氣環境進行了初步原理性實驗,並對激勵電源電壓幅值和頻率對合成射流的影響進行了分析,實驗結果與理論分析及數值模擬結果相吻合。Design of three - phase static convert based on voltage space vector
一種基於電壓空間矢量控制的三相靜止變流器設計A method, which is for computing the voltage stability limit based on pss / e, is presented in this dissertation
本文提出了一種基於pss e的自定義語言iplan的靜態電壓穩定極限的計算方法。By this analysis method, through the calculation of power consumption of every single cell, the current model is obtained
摘要提出了一種對基於標準單元晶元計算其電源線網的靜態電壓降的分析方法。The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )
硬體電路設計包括:工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路(恆流源電路、時基信號處理電路、被測信號處理電路)設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括:主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號,並對三種不同測試狀態(靜態、動態、暫態)下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。At the same time, the mathematical models of the electric field and the flow field distribution were established from the theory of electrostatic enhancement of heat transfer. employed finite differential method and over - relaxation iteration method, according to certain boundary conditions in the wire - plate electrode space, the electric field and the flow field in the wire - plate space were numerically simulated under different initial velocities of r11 stream and different magnitudes of applied voltage. the calculation results agreed with theoretical analysis satisfactorily
同時從靜電強化換熱理論出發,建立了表徵線板電極間的電場和流場分佈的數學模型,並根據線-板電極間的邊界條件,利用有限差分法和超鬆弛迭代法,分別就不同氣流初速度和不同外施電壓的情況下,對線-板空間的電場和流場進行了數值模擬,計算結果與理論分析基本一致。F4 plus use the professional static electricity prevention and anti jamming design, all of the input or output interface are protected from over - voltage and frequency, it has the function of anti - dismantlement alarm and professional alarm, as well as the voltage and pfk watchdog inspection, outstanding quality
F4 plus在硬體設計上,採用國際流行的poe設計,專業的防靜電和抗干擾設計,所有輸入輸出口均具備過流和過壓保護,具備防拆報警和專業的警報處理功能,具備電壓監控及可編程看門狗監測,品質卓越。The calculation of ttc involves network limitations due to thermal and voltage stability limits. network limitations are to be calculation not only for the current operating but also for a worse case that could occur due to a set of contingency cases, which require huge amount of computation
本文以連續潮流技術為基礎,提出了考慮各種約束條件的電力系統區域間最大輸電能力的分析與計算,考慮了電力系統運行中鞍型分叉點造成的靜態電壓穩定性約束條件等的計算。Owning the powerful technical team in the fields of machinery, high tention static electricity, electron and electri, chemical industry and thermotechnical crafts, qiao feng is capable of providing various services in static electricity - operated paint spraying projects, including designing, manufacturing, installing adjusting, technical consultation, training and repairing
企業擁有雄厚的表面塗覆、高壓靜電、電子電氣、機械、熱工等配套的技術力量,為客戶提供從設計、製造、安裝、調試到技術咨詢、培訓、維修等一條龍靜電噴塗工程的技術服務。A new static hybrid layered voltage control model has been set up. in this way static layered management management and control of voltage are realized, the proposed static hybrid automatic voltage control ( havc ) system and the methods are proved to be effective by the results of computer simulation research done by wscc - 9 system in the paper
最後,將混成控制系統的理念和方法引入電力系統靜態電壓控制的模擬研究,建立靜態混成自動電壓控制( havc )模型,實現系統的靜態電壓分層調節和控制。以wscc - 9節點系統為例進行計算機模擬研究驗證,證明了靜態混成自動電壓控制系統的有效性。This paper calculates and analyses the positions of compensation in chongqing power network respectively by means of sensitivity analyses singularity analyses margins analyses and modal analyses. before optimization, the paper firstly makes certain the weak voltage bus and the positions of compensation
論文分別採用靈敏度分析法、奇異值分析法、靜態電壓裕度法和基於靈敏度的模式分析法分別對重慶電網的無功補償點進行了計算和分析,在優化計算前先確定出了重慶電網的電壓薄弱點和對應的無功補償候選點。After load fiow study in each sample, distance to static voltage stability boundary is calculated. when static voltage instability will occur, load curtailment with optimum location and amount is executed
在每個抽樣樣本執行潮流計算后,判斷系統距離靜態電壓失穩的距離,當可能發生靜態電壓失穩時,執行切負荷控制措施,尋找最優切負荷位置及切負荷量。The current research on the steady - state operation of grid - connected wind farms is introduced, including the power flow calculation models for power systems which contain wind farms, the analytic methods and models for the static voltage stability of wind farms, the voltage static stability indices and measures to control the voltage stability, the factors influencing the maximum power injection of wind farms and main relevant analytic methods, indices for wind farm scale, and the capacity credit
摘要介紹了風力發電並網的穩態運行的研究現狀,包括含風電場的電力系統潮流計算及模型,風電場的靜態電壓穩定性的分析方法與模型,電壓靜態穩定性指標和控制電壓失穩措施,風力發電最大注入功率的影響因素及主要分析方法,衡量發電規模的指標及容量可信度等。分享友人