高壓電離計 的英文怎麼說
中文拼音 [gāoyādiànlíjì]
高壓電離計
英文
high pre ure ionization gauge- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 壓 : 壓構詞成分。
- 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...
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 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...
- 高壓電 : haute tension
- 高壓 : 1 (殘酷迫害; 極度壓制) high handed 2 [氣象學] (高氣壓) high pressure3 (高電壓) high tension...
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In order to enhance the precision, this design proposes that temperature - measuring circuit of platinum resistors and software should be employed to carry on adjustment of measured precision ; it also proposes that the interference of the grid can be reduced by the voltage front feed ; and meanwhile it calls for the application of the photoelectric insulation, the over heating protection and alarm so as to enhance the security performance of the system
為了提高精度,本設計還採用了鉑電阻溫度測量電路,並利用軟體對測量精度進行自校準;通過電壓前饋控制減少電網干擾。此外,設計中還加入了光電隔離措施及過熱自動保護和報警功能,以增強系統的安全性能。The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment
本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手,得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。In general, delayed or distorted pulses, excessive plateau slope, raised working voltage, or failure to count at all are likely results of negative ion formation.
一般說來,延遲或畸變脈、過度的坪斜、工作電壓的升高和不能計數,都可能是負離子形成的結果。The whole circuit ' s timing generation and synchronization was realized with cpld. as the channel of data transmitting, pof can isolate high voltage part and low voltage part efficiently. at the same time, a single chip processor was used to design a digital meter for the fiber current transducer
系統採用cpld實現整個工作電路的時序發生和同步協調,利用光纖實現高壓部分和低壓部分的完全電氣隔離和實現信號傳輸,採用單片機技術實現混合式光纖電流互感器專用數字顯示儀表的設計。There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。Founded in 1946, sepw is specialized in manufacturing low & high - voltage surge arresters, indoor and outdoor high - voltage fuses and disconnecting switches, outdoor expulsion load switches as well as special high - voltage insulators for power transmission & distribution systems. sepw is the cradle of surge arresters and fuses in china and has been standing in the forefront of development for arresters and fuses
上海電瓷廠創建於1946年,是中國最早設計製造避雷器和熔斷器的企業,經過幾代人五十余年的不懈努力,現已成為一家生產電站、輸變電系統各類高、低壓避雷器;戶內外高壓熔斷器;高壓隔離開關、戶外產氣負荷開關及各種特殊規格的高壓電瓷為主的綜合性電器廠。( 2 ) reactive power optimal of hv network is a very complex nonlinear discrete optimal problem. to ensure the speediness, feasibility and optimality, evolution algorithm is improved by combination with interior point sequence linear optimal algorithm and expert knowledge of voltage / var adjustment. the improved algorithm is applied to the reactive power optimization and achieves distinct effect
( 2 )高壓網路無功優化是一個非常復雜的非線性離散優化問題,為了保證計算結果的快速性、可行性和最優性,本文結合內點法的逐次線性優化方法,以及電壓無功調節的專家經驗,對模擬進化優化方法進行了改進,並將該演算法應用於無功優化問題的求解,取得了顯著的效果。A novel self - bias high - voltage device structure for the start - up circuit of an off - line switching model power supply ic is described
摘要設計了一種新的用於離線式集成開關電源啟動電路的自偏置高壓器件結構。The system uses hpc as a detector, based on the computer and network technology, reaches the design requirements of high - sensitivity, wider range, full automation and no - man on duty
該系統採用高壓電離室為探測器,利用計算機及網路技術,基本達到了靈敏度高、量程寬、全自動無人值守的設計要求。( 2 ) the method of finite element discrete and optimal parameter back analysis is adopted. ( 3 ) concentrated on the question of high external water pressure of the deep - lying tunnel, the basic theory and method calculating external water pressure are systematically studied. ( 4 ) based on jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward
( 2 )採用有限元離散?優化法進行參數的反演分析; ( 3 )針對深埋隧洞的高外水壓力問題,進一步分析和研究了襯砌水荷載及外水壓力的作用機理和計算方法; ( 4 )以錦屏二級水電站深埋長引水隧洞作為本文的主要研究對象,採用考慮降雨入滲滲流場分析的方法對排水方案和灌漿封堵方案不同情況下的滲流場的水頭分佈進行了數值模擬,並對其外水壓力進行了分析和研究,提出了滲流控制的具體措施。Based on the results, the article analysis the main factors : the voltage level and the current of the line, the height of the line, the distance between two phases, the structure and the location of the lines, that affect the distribution in human body, and gets some basic principles
根據計算結果,分析了超高壓輸電線的電壓等級、電流、離地高度、導線的相對位置結構和距離等影響人體內電磁場分佈的主要因素,得出一些基本規律。With the gradual built of three - gorges hydraulic power station and the execution of the project " electric power transmission from west to east ", the hydroelectric resource is being developed at top speed and the hydroelectric occupy more and more specific weight. the continuous completion and commissioning of large hydraulic power station, as well as the continuous increasing of extra - high voltage and long distance power transmission system, deteriorate the stability control problem of hydro - electricity system
隨著三峽水電站的逐步建成和「西電東送」計劃的實施,我國的水電開發進入了高速發展的時期,大型巨型水電站不斷建成投運,超高壓遠距離輸電系統不斷增長,水電在我國電力系統中所佔比重越來越大。At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db
本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素( ql值)超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器,精心設計電路,優化設計布置印製電路板,用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件,製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。As it has been made successfully, the optocoupler will be used more extensively in the field of consecutive simulation signal transmission. 4 ) in order to achieve high - capacitance driving, double - loop designing in the circuitry and appropriate ic are adopted
4 、採用雙迴路電路設計和專用集成晶元,研製出高壓隔離高容驅動光電耦合器,並對該器件的性能進行了全面分析。The high - voltage isolation optocoupler has been developed successfully, and its characteristics have been analyzed, it has some excellent merits, such as simple structure, working on stable status and high speed and so on. it will be extensive applied in high - voltage working environment extensively. 3 ) adopt hollow taper cavity to conduct the light in order to improve the stability and reliability of the high - voltage isolation and linearity optocoupler that can ’ t run very well
3 、針對高壓隔離線性光電耦合器的穩定性、可靠性不佳的狀況進行研究,提出了解決辦法,設計了空心錐腔進行導光,研製出了高穩定性、高可靠性的高壓隔離線性光電耦合器,對該器件的性能進行了分析,與改進前相比,穩定性、可靠性都有較大提高。The operation characteristic of the new relay is analyzed in theory and verified by the simulation tests. the new relay operates with clear selectivity and high operation speed and can satisfy the demand of the protection for the ehv transmission line. the performance of the fault component impedance relay has been improved and the misoperaion of the healthy phase under cross - country fault and close - in fault have been avoided
理論分析及模擬計算表明,基於自適應補償的突變量距離繼電器有很好的選擇性和速動性,完全能夠滿足高壓線路保護的需要,顯著提高了突變量距離的性能,解決了其在大電源出口單相故障以及正反向復故障可能會誤跳三相的缺點。The practicality calculation of compensating capacity for extra - high voltage and long - distance transmission line
超高壓遠距離輸電線無功補償容量的實用計算Design and fabrication of high voltage isolating photocoupler
高壓隔離光電耦合器的設計和製作A indirect fiber - trigger system is adopted for high voltage thyristor vale, which solves the problem of high voltage insulation and improves the capability against interfering and the reliability of the control signal. the thyristor gate electronics is also designed
論文採用間接光纖觸發方式作為高壓晶閘管閥的觸發隔離系統,很好地解決了系統的高低壓隔離問題,大大提高了控制信號的傳輸抗干擾能力和可靠性,並設計了相應的晶閘管門極電子電路。Its test results indicate : voltage mode inverters with high frequency link have the advantages such as high frequency electrical isolation, simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, low audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type high power density, high efficiency and low cost asi
設計的1kva270v 10 % dc / 115v400hzac單極性移相控制雙向電壓源高頻環節逆變器原理試驗表明,這類逆變器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換( lfac / hfac / lfac ) 、功率密度高、雙向功率流、音頻噪音低、變換效率高、網側功率因數高等優點,為新一代高功率密度、高變換效率、低成本航空靜止變流器奠定了關鍵技術基礎。分享友人