高電壓實驗 的英文怎麼說
中文拼音 [gāodiànyāshíyàn]
高電壓實驗
英文
high-voltage experiment- 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...
- 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。
- 實 : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 電壓 : voltage; electric tension; electric voltage
-
On the base of these theory calculations, we passivated the front - surface both of different surface doping concentration solar cells by a thin layer of thermally grown sio2. the results show that the in heavy surface doping concentration cell is lower compared to the cell in light surface doping concentration. the majority of improvement in comes from the emitter surface passivation
接著採用sio2作為鈍化膜,從實驗上比較了在不同表面濃度下單晶硅太陽電池的鈍化效果,結果表明在高表面濃度下其開路電壓比低表面濃度下的開路電壓低,這開路電壓的提高主要來源於降低了前表面復合。Al self - oxide powder, al2o3 - al blending powder and sic - al blending powder extrusion wires obtained by experiments had high tensile strength as well as high conductibility
實驗所得的鋁粉末自氧化擠壓線材及用al _ 2o _ 3和sic顆粒強化所得的線材具有高的抗拉強度和良好的導電性能。There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system
中心擁有各類分析測試儀器和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。The experiment apparatus has been developed, which is based on software ( labview ) and hardware ( pci board ni 6024e ). the displacements and generative force at the tip of the ipmc actuators were measured with respect to the different voltages, frequents and various waveforms which include square, sinusoidal, and triangular wave
實驗選取了不同電壓幅值,不同頻率的方波、三角波、正弦波三種波形作為電激勵信號,利用高速攝像記錄ipmc的位移變形,並通過力傳感器實測了ipmc試樣末端的輸出力。Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。This device realizes series resonance between high voltage inductance and tested capacitance. because of series resonance a higher voltage exists on the tested capacitance than the power ' s output. so a new ac high voltage test way to large capacity sample comes true
該裝置以調頻的方式實現高壓電感和被試品電容的串聯諧振,從而在被試品上得到高於電源輸出端的電壓,即實現了以小容量電源對大容量試晶進行交流耐壓試驗的一種新方法。For the circuit - breakers of rated voltage 252kv up, the synthetic test methods are introduced according now condition because of the limitation of the transformer short - circuit capacity. the correlative prescribes on switching line - charging current in gb / t1984 - 200x " alternating - current high - voltage circuit - breaker " are discussed according to the test results and theoretic analysis
由於開合空載架空線路試驗對電源側的阻抗有明確的規定,這就要求試驗電源必須具有足夠大的短路容量,實驗室很難滿足要求,因此,一般對較高電壓等級的斷路器採用合成試驗方法,本文介紹了利用現有條件,對252kv以上電壓等級的斷路器採用合成試驗時的試驗線路。High - pressure lab in high - pressure electric porcelain factory
電瓷高壓廠高壓實驗瓷室Series ls hffr po cable compound by passing 90 heat distortion for compound and high temperature pressure for cable.
斯瑞公司經過多次實驗,已成功研發出adss抗電痕料,牌號sr - 1818高電壓等級及sr 1717The background of this dissertation is based on a project of researching and developing a high voltage series h - bridge multilevel converter, which drives an induction motor of 6300v, 2240kw for driving a water flooding pump in taigang. the research work on high voltage high power series h - bridge multilevel converter has been carried out by theory analysis, computer simulation and experiments
本文以太鋼某廠額定功率2240kw ,額定電壓6300v注水泵電機變頻調速科研工程為背景,從理論分析、計算機模擬和裝置實驗幾方面入手,對高電壓大容量串聯h橋多電平變頻器的理論和工程應用技術進行較深入研究。The conical insulator high 15 cm, the diameter of top is 5cm and that of the bottom is 35cm. the insulator is operated for more 300 times on voltage more 600kv, and maximum voltage is 750kv. the operated is stability and no surface flashover phenomenon is happened
錐形絕緣子高15cm ,錐底直徑35cm ,錐頂直徑5cm ,實驗結果表明滿足設計要求,在600kv以上工作300多次,最高電壓達750kv ,運行穩定,未發生沿表面閃絡現象。It compares and analyses the equipment test voltage emendated to standard atmosphere conditions with the equipment nominal withstanding voltage. and then it concluded that : the emendation value educed by " humidity ratio " integrated emendation method is basically equal or close to the equipment nominal withstanding voltage ; but the values by two traditional emendation methods are mostly higher. it also proves that, " humidity ratio " integrated emendation method is more perfect than any other methods, and it can reflect the influence degree of atmospheric parameters on electrical equipment outer insulation discharge voltage actually
文中選擇「比濕」綜合校正法和兩種傳統校正法,分別對西高所為羊八井、拉薩、羊湖110kv變電所設備所做的人工氣候室模擬試驗數據及雲南中試所做的zs - 110工頻放電電壓試驗數據進行校正計算,將試驗電壓的校正值與試驗設備的標稱耐受電壓水平進行比較分析;認為: 「比濕」綜合校正法的校正值與設備耐受電壓水平基本相等或接近,而兩傳統校正法的校正值大多高於設備耐受電壓水平;進一步證明, 「比濕」綜合校正法是目前諸多校正法中較為完善的,能真實地反映大氣參數對電氣設備外絕緣放電電壓的影響程度的校正法,在高海拔電力工程設計中應推廣應用。Utilities spends significant amounts of money on insulator washing and cleaning before the restoration of the service. laboratory studies and industrial experience have shown that both contamination and wetting of insulator surfaces, which initiate the flow of leakage current, are required for insulator flashover. the leakage current leading to flashover has distinctive stages of development
人們在詳盡的理論分析和大量的高壓實驗后,發現絕緣子泄漏電流的變化與其污穢及受潮程度有著密切的關系,綜合反映了污閃的發生過程,因此泄漏電流檢測是診斷線路絕緣子早期故障的一種有效手段。In order to increase the occupating coefficient and reliability of digital experimental box, we improve its power supply by designing a simple, reliable overcurrent protecting circuit base on the analysis of its working principle
設計了一個簡單可靠的電源過流保護電路,分析了過流保護電路的工作原理,在此基礎上改進了數字電路實驗箱中穩壓電源電路,提高了儀器的使用效率,增強了可靠性High - voltage experiment
高電壓實驗Ganfa has over 50 years experience of designing and manufacturing and has many items of patent techninque. the synchronous generators and permanent magnet generators which are manufactured with advanced technology and excellent machining equipement, will be able to meet the requirement of different technical condition which matched with various type turbines. ganfa has manufactured the generators of 0. 1 to 20mw in capacity which have been put into operation at present and owns the capability to manufacture the following generators : the capacity per unit up to 180mw, the stator outer diameter of generator up to 9, 000mm, the speed of vertical type generator up to 750r min, and thespeed of horizontal type generator up to 1, 500r min, both the b - grade and f - grade insulation class, the terminal voltage can up to 13. 8kv. ganfa manufactured 34, 500kw water turbine generator sets for the donghewan power station, yongchang, gansu, china which is located in 2. 868. 5m height above sea level, and has successfully solved the difficult problems such as plateau corona - shielding. ganfa is equipped with the generator test station and insulation material laboratory which are advanced test facilites and testing means to make each item electrical performance of products meet designing requirements from purchasing to delivering
公司具有50年的設計製造經驗,擁有多項專利技術,生產的同步發電機永磁機技術工藝先進,製造精良,能滿足與各式水輪機配套的不同技術條件要求。目前公司已製造投產的發電機容量范圍為0 . 120mw ,具備生產單擊容量50mw的能力,發電機機座號最大可達9000mm ,立式機最高轉速750r min ,臥式機最高轉速達1500r min ,絕緣等級有b級和f級,圈式線圈最高電壓達13 . 8kv ,公司製造的甘肅永昌東河水電站34500kw水輪發電機組,海拔為2868 . 5m ,成功解決了高原防暈等難題。公司擁有電機試驗站絕緣材料試驗室等先進的實驗室設施和測試手段,使產品從原材料進產,到成品出產的各項電器性能測試均能滿足設計要求。In laboratory, this system has fulfilled the measurement of simulant large current and high voltage, with the precision better than 1 % to the fundamental wave
在實驗室中成功測量了模擬大電流與高電壓,基波測量精度優於一級,對其它各次諧波的測量精度滿足國家標準要求。In the trial measurement, the device shows good performance. simulant trial and actual result indicate that method in the paper acquire approving effect. the successful develop of device can improve reliability of distribution, can bring some operating experience for realtime and automatic recording overvoltage in higher voltage level power system
通過現場實際採集的數據說明,該裝置可以應用於工程實踐中。本裝置的研製成功對提高配電網的安全性具有重要的科學意義和良好的應用前景,並能對以後10kv以上電壓等級的過電壓實時記錄裝置的研究取得一些經驗。This paper investigates the induction motor full digital ac frequency conversion system, and develops an ac motor experiment platform based on dsp tms320f240, the software and hardware implementation of the system is discussed in detail. the industry computer controls the dsp to output the space vector pulse width modulation voltage wave ( svpwm ) onto the induction motor. using this software we can view the state variable waveform on the pc and modify the variable in the dsp memory
本論文結合「基於dsp的交流電機實驗控制系統」實際科研項目,開發出基於dsp的全數字交流電機實驗控制平臺,給出了該系統平臺的軟硬體設計方案,該系統使用工控pc機對下位機dsp進行實時控制,在dsp中依據選定的電機控制策略程序,發出空間矢量脈寬調制形式的電壓波形,實現對交流電機變壓變頻控制;在上位機中能實時查看變量波形,並對dsp內存變量進行修改,在該平臺上能方便的使用軟體實現各種高性能的電機控制演算法。Detail design process of a 380v / 600w high frequency electronic ballast for high pressure sodium lamp is given in chapter iii. it ' s verified by simulation and experiment
論文第三章詳細闡述了380v高電壓輸入600w高頻電子鎮流器樣機的設計過程,並對其進行了模擬及實驗驗證。分享友人