空載電壓比 的英文怎麼說
中文拼音 [kōngzǎidiànyābǐ]
空載電壓比
英文
no-load voltage ratio- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 載 : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
- 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。
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 空載 : carrying idler; idler; idling; no live load; empty load; no load; non load; weight empty空載變速 ...
- 電壓 : voltage; electric tension; electric voltage
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Designed the dual - loop control circuit based on optimized psm, which realize to select the suitable duty ratio to make output stable by utilizing voltage and current feedback loops
3 )設計基於優化psm調制模式的雙環控制電路。採用電壓、電流雙環路控制,根據負載情況選擇合適占空比來實現穩壓。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。Huadi has cultivated a famous brand in the urban electricity network equipment industry with our emphasis on technology, quality, and honesty, while maintaining the standards of high efficiency, staff recognition, and innovation
產品性能指標符合jb t10318 - 2002油浸式非晶合金鐵心配電變壓器技術參數和要求,該產品與s11產品性能比較,其空載損耗僅為s11空載空載損耗的33 ,負載損耗相同。Each unit of transformer is tested in accordance with the following items : winding d. c resistance test. measurement of turn ratio and calibiation of voltage vector relation. measurement of impedance voltage and load loss
直流電阻測試匝數比測量及電壓矢量關系的校定阻抗電壓及負載損耗的測量空載損耗及空載電流的測量工頻耐壓測試感應耐壓測試絕緣電阻測試局部放電測試外觀和尺寸的檢驗銘牌的檢驗等。In famous constructions and key projects such as capital international airport, sanxia three gorges hydropower project, nanjing metro subway, qingdao good - world sea palace, jinan railroad sub - bureau, suzhou amusement park, beijing 1st heating power plant, china 2nd autombile plant, xian peace villa, our products continue to operate safely
其技術性能指標達到目前國內同類產品的領先水平,其空載損耗比s11型配電變壓器的空載損耗降低60以上。同時,由於本產品採用全密封結構,絕緣油和絕緣介質不與空氣接觸,因而可在潮濕的環境中運行,是城市和農村配電網路中理想的配電設備。Windings d. c. resistance measurement, measurement of impedance voltage and on - load loss, measurement of no - load loss and on cload current, power frequency withstand voltage test, inductive voltage with standing test, measurement of partial discharge level, inspection of appearance and dimension inspection of name plate
直流電阻測試匝數比測量及電壓矢量關系的校定阻抗電壓及負載損耗的測量空載損耗及空載電流的測量工頻耐壓測試感應耐壓測試絕緣電阻測試局部放電測試外觀和尺寸的檢驗銘牌的檢驗等。By applying the method composed of theory analysis, simulation and test verification, some researches have been done on unload characteristic, torque - current characteristic, revolving speed - voltage characteristic and mechanism characteristic of the motor system. meanwhile, various control modes of the system are analyzed. all these researches provide some references for the motor ’ s application
採用理論分析、模擬模擬、試驗驗證相結合的方法,分別研究了雙凸極電機的空載特性、轉矩電流特性、轉速電壓特性、機械特性,並對各種控制方式進行了分析、比較,為在實踐中更好地應用雙凸極電機提供了一定的依據。According to the no - loading waveform deviation factor, the prototype conforms to the national design standard and practical needs in the engineering. more important, the high voltage is achieved. in the condition of considering core saturation and damping winding influence, the influence to powerformer of the no - loading tooth harmonic emf is smaller than conventional generator, and the waveform deviation factor of the former is smaller, too
由求得的樣機空載電勢波形畸變率可知,該樣機滿足國家設計標準和工程實用要求,更重要的是,實現了產生高壓的目的;考慮鐵心飽和、考慮阻尼繞組影響情況時,電力發生器與具有相同尺寸(除定子槽形)的傳統發電機相比,空載齒諧波電勢對電力發生器的影響較小,前者的空載波形畸變率較小。Firstly, the basic theory of full - bridge phase - shift zvs pwm converters are expatiated and another three kinds of circuits of full - bridge phase - shift zvs pwm converters are discussed. there are four kinds of problems which are emphasized : how to expand the zvs range ; how to reduce the circulation in the primary side of the transformer in order to minimize the on state losses ; how to decrease the loss of effective duty circle and how to eliminate the parasitic oscillation of the output rectifiers
本文首先分析了基本的全橋移相zvsdc dc變換器的工作原理,為解決滯后橋臂不易實現零電壓開關( zvs )的情況,討論了另外三種全橋移相zvsdc dc變換器的電路拓撲,重點分析並解決了四個方面的問題:如何擴大zvs的負載范圍;減小變壓器原邊環流,降低變換器系統通態損耗;減少變壓器次邊有效占空比丟失;消除輸出整流二極體的寄生振蕩。A current - doubler - rectifier ( cdr ) zvs pwm ( half - bridge ) three - level converter is proposed in this paper. zvs can be achieved for all the switches in a wide load range with the use of the energy stored in the output filter inductances. the output rectifier diodes commutate naturally without voltage oscillation and voltage spike
針對傳統(半橋)三電平直流變換器的一些不足,本文提出一種倍流整流方式pwm零電壓開關三電平直流變換器,可以使開關管在全負載范圍內實現零電壓開關,副邊整流二極體無電壓尖峰,無占空比丟失。And then, a method of load - flow low - pressure measurement was proposed in the light of the hydraulic - resistance theory of servo valve. the validity of the method was proved by the experimental results. therefore, the measurement of the characteristic of load - flow and no - load flow can be realized by using this method
然後根據電液伺服閥的液橋理論提出了一種負載流量低壓測量方法,在所開發的測試系統上,利用電液比例閥模擬流量測量裝置對所提出的方法進行了試驗驗證,實現了利用低壓流量計和壓力傳感器進行電液伺服閥負載流量特性和空載流量特性的測量。分享友人