空載電壓 的英文怎麼說
中文拼音 [kōngzǎidiànyā]
空載電壓
英文
floating voltage- 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。
- 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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Self supporting telecommunication aerial cables on overhead power lines above 1 kv vde - specification
電壓大於1kv的電力架空線的載波通信高空電纜vde -規The products is of high water hydrophobe device usedin suitable and has the characteristics of aging resistance, resistance, tracking resistance, and corrosive resistance. it can withstand high bent load, strong impact force fn12 - 12 series indoor use high voltage load switch fn12 - 12 and fn12 - 12r is of three phases indoor use ac high voltage load switch for breaking and making the circuit of 50hz, 12kv system under rated loading
Fn12 - 12和fn12 - 12r組合電器是額定電壓12kv額定頻率50hz的三相高壓開關設備用於分合負荷電流閉環電流空載變壓器和電纜充電電流關合短路電流配裝接地開關的負荷開關,可以承受短路電流The main transformer uses imported quality cool - rolled silicon - steel plate cores, less power loss and small idle current
主變壓器採用進口優質冷扎硅鋼片鐵芯,其功耗少,空載電流小。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。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。Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv 7. 2kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component
本產品是英國brush公司高壓限流熔斷器製造技術生產的,產品適用於戶內交流50hz ,額定電壓3kv 3 . 6 kv , 6kv 7 . 2kv , 12kv , 15kv系統,並可與其它保護電器如負荷開關,真空接觸器配合使用,作為高壓電動機,電力變壓器及電力設備的過載或短路等保護元件。Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component
本產品是英國brush公司高壓限流熔斷器製造技術生產的,產品適用於戶內交流50hz ,額定電壓3kv 3 . 6 kv , 6kv 7 . 2kv , 12kv , 15kv系統,並可與其它保護電器如負荷開關,真空接觸器配合使用,作為高壓電動機,電力變壓器及電力設備的過載或短路等保護元件。Its main transformer is made of imported cold rolled silicon steel, so its power loss is little with low no - load current
該系列點焊機,主變壓器均為進口冷軌硅鋼片,因此,主變壓器功耗小,各型空載電流小。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。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。Measuring method of equivalent cell temperature for crystalline solar cells by the open - circuit voltage
採用空載電壓的晶體太陽能電池等效電池溫度的測量方法( 3 ) verifies the voltage wave, electrical current vuive and output power wave of asteroidal magneto, and the veracity of parameters by a series of experiments. the experimental result demonstrates that the error is less than 10 % between theoretic value and actual value
( 3 )通過一系列實驗驗證了星形磁電機空載電壓波形、電流波形、短路電流倍數、輸出功率等波形和參數的準確性,實驗結果表明,理論與實測值相差不到10 。Using the traits of arc adjust itself of the co _ 2 welding, adopting slow - descending feature or even feature of electrical source equipping with system that delivering the welding rod at the invariable speed, then, the arc burning steadily is realized, and the quality of welding is improved
利用co _ 2氣體保護焊電弧的自身調節特性,採用緩降或平硬特性的電源配等速送絲系統,通過改變電源空載電壓來調節電弧電壓,再利用電弧電壓和熔化速度之間的關系調節焊絲熔化速度使之等於送絲速度,最終實現電弧的穩定燃燒。Secondly, the math model of the high - speed pm generator with a shielding is deduced. the method of how to analyze the electromagnetic field of the generator is introduced. and with the help of a kind of fem software, the parameters of a model machine are calculated and simulated, including the electromagnetic field, no - load voltage, single - side magnetic force, loaded torque and axial force
其次,對轉子帶防護罩的高速永磁發電機數學模型進行了推導,介紹了利用有限元法對電機磁場進行分析的方法,並運用有限元軟體對一臺樣機的參數進行了模擬,包括電機磁場分析、空載電壓波形、單邊磁拉力、負載轉矩以及軸向力等方面的內容。Application of high - voltage explosion fuses is very abroad. in addition to protecting the electrical equipment by melting itself, disjunction or close of its tube can also be manipulated by a high - voltage insulative stick under some circumstance, for example, to switch on or off no - load overhead transmission line, no - load transformer and little burden current
跌落式高壓熔斷器的應用極為廣泛,不僅能保護電氣裝置,在一定條件下還能直接用高壓絕緣鉤棒來操作熔管的分合,以斷開和接通空載的架空線路、小容量空載變壓器和小負荷電流。Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter
西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓,在滿足輸出電壓條件下使諧波最小。Prototype of the symmetrical typical voltage space - vector of open - loop variable frequency speed system is designed by using the tms320f240 digital controller and the ipm ( intelligent power model ), with which had a exam on the motor and the experimental results are also given. from the results we can conclude that the results are according with the theory analysis
利用ipm智能功率模塊,設計了採用基於tms320f240數字控制器的對稱空間電壓矢量的開環變頻調速系統的原理樣機,對電機進行了空載實驗,給出了它們的實驗結果,實驗結果和理論分析相一致。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。Overvoltage limiting for vacuum circuit breaker when breaking off non - loaded transformer
真空斷路器斷開空載變壓器的過電壓限制分享友人