氣隙電壓 的英文怎麼說
中文拼音 [qìxìdiànyā]
氣隙電壓
英文
air-gap voltage-
For increasing the effective material peak - value power ( empvp ), solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state and improving the efficiency of the pmsm, some solving method are taken as follows : the influence of length / diameter ratio to the empvp is analyzed, and the optimum size of length and diameter is chosen
主要是從提高電機的有效材料峰值功率、解決pmsm提高電動機運行狀態時的弱磁擴速能力和減小發電機運行狀態時的電壓調整率之間的矛盾及提高電機的效率著手,分析了長徑比、氣隙長度對有效材料峰值功率的影響,並確定了它們的最佳尺寸。With the other hand, squeeze the bulb which forms pressure in the cell and forces air and (or) electrolyte through any leaks that may be present in the sealing compound.
另一方面,壓擠橡膠球,使單格電池內部產生壓力,迫使空氣和(或)電解液穿過封口劑上任何可能存在的縫隙。Incondition of surface anti - corrision and insulation coat of metal and tiny hole of steel where resistance and crack is very small, when supplying a high voltage, gas crack will be punctured and electric spark discharging will occur, now send a pulse signal to the alarming circuit the alarmer can send out sound and light to alarm. we can do leak hunting on the coating according to this principle
金屬表面絕緣防腐層過薄、漏鐵及漏電微孔處的電阻值和氣隙密度都很小,當有高壓經過時就形成氣隙擊穿而產生火花放電,給報警電路產生一個脈沖信號,報警器發出聲光報警,根據這一原理達到防腐層檢漏目的。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。The results show that decreasing the driving voltage, primitive cavity, pre - tightness force of spring, and the mass of mobile elements can improve the performance of solenoid
通過降低驅動電壓,減小初始氣隙,降低彈簧預緊力,減輕電磁閥運動部件的質量,均可以提高電磁閥的性能。Electrical field stress at the icicle tips is even stronger. at these areas, if the electric field across air gaps is high enough, corona discharges are initiated. this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice
空氣間隙的存在使覆冰絕緣子表面的電場分佈發生了明顯畸變,間隙上承受了非常高的電壓,這使得冰凌尖端的電場變得相當強,一旦電場達到了電暈的起始電場,局部放電就在這一區域發生,進而產生局部電弧並逐漸發展成整串的閃絡,泄漏電流迅速增大,同時伴隨著冰的融化。The results indicate that there is an obvious effect of air gap and ice state on the inception voltage across the air gap
研究結果表明:間隙長度、冰的狀態和氣壓對間隙的起暈電壓有明顯的影響。Voltage measurement by means of standard air gaps
高電壓測量標準空氣間隙In this paper, a switch power circuit is given as an example to introduce how to confirm the minimum clearance and creepage distance with working voltage on different safety standards
今以一開關電源電路為例,介紹在不同標準下如何根據工作電壓情況對最小電氣間隙和爬電距離值進行確定。By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently
通過提高零件表面加工質量,改善一次封排間的真空衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈度,採用自動電流老煉、超高壓工頻老煉、大電流動態老煉等工藝進一步消除真空滅弧室內活動性微粒,可提高真空滅弧室真空間隙介質強度,使真空開關投切電容器組的重燃率大大降低,並通過實驗驗證真空開關投切電容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。The characteristics of solenoid were calculated and analyzed by using the finite element method
結果表明:影響電磁閥性能的主要參數有驅動電壓、初始氣隙、預緊力、運動部件的質量等。The existence of air gaps will inevitably distort strongly electrical field distribution and cause to a significant voltage drop across the gap, which causes severely non - uniform electrical field near the icicle top
運行和試驗研究表明,絕緣子串在運行電壓或試驗電壓下覆冰時其高壓端總是存在空氣間隙。By applying related theory of gas discharge and mathematical statistics, this paper more in - depth and systemic study the influence of the length of air gap, ice state, water conductivity and air pressure on the inception corona and pulse discharge characteristics, included the discharge frequency, discharge amplitude and time interval
根據試驗結果,用氣體放電和數理統計方法,分析了覆冰水電導率、冰的狀態(乾冰和濕冰) 、空氣間隙長度、氣壓和施加電壓等參數的變化對間隙模型的起始放電電壓、脈沖放電特性、放電頻率、放電幅值和時間間隔等的影響。While, the mean discharge magnitude increase first and after that it has an approximate constant with the increase of applied voltage
間隙中的平均放電量隨著空氣間隙長度的增加而減小,隨著施加電壓的升高先增加后近似保持不變。Power transformers part 3 : insulation levels, dielectric tests and external clearances in air
電力變壓器第3部分:絕緣水平絕緣試驗和外絕緣空氣間隙So there is important implication value and academic value to systemic investigation of the effect of the existence of air gap to the flashover voltage along the ice - covered insulators
因此,深入、系統的研究空氣間隙中的放電活動對絕緣子串閃絡電壓的影響有著重要的工程應用價值和學術意義。The study works and conclusion of the dissertation is followed as : the discharge voltage of short rod - plane air gaps and short insulator strings will also decrease with the altitude increasing or atmospheric pressure decreasing, but the decreasing trend is relative to the scale of altitude, the decreasing speed of discharge voltage is slower in the high altitude region
論文的研究工作和成果主要有: 「棒板」典型間隙和絕緣子短串的放電電壓均隨海拔的升高而降低,且其降低的趨勢與海拔高度的范圍有關,海拔越高降低的速度越緩慢。氣壓的變化反映了海拔高度的變化及其相應海拔下空氣溫度、濕度和相對密度的變化。The change of atmospheric pressure reflect the change of the altitude and the change of the temperature 、 humidity and relative air density in the different altitude region, so the atmospheric pressure is able to be use for the characteristic parameter of token the effect of the altitude on external
氣壓可作為表徵海拔高度對外絕緣放電電壓影響的特徵參數;高海拔地區空氣間隙和絕緣子串的放電電壓u均可表示為相應海拔下氣壓的冪函數,即u = u0 ( p / p0 ) n ,其中氣壓對放電電壓影響的特徵指數n與電壓類型和放電間隙的結構類型以及絕緣子類型等有關。But wvf can only control the air - gap flux and can not adjust the torque
調壓調頻控制只控制了電機的氣隙磁通,而不能調節轉矩。The full - bridge series resonant converter is verified experimentally by using the designed separate transformer. the experimental results for the 4mm and 10mm transformer air gap are given
對全橋串聯諧振變換器構成的非接觸感應電能傳輸系統進行了實驗驗證,給出了可分離變壓器氣隙分別為4mm和10mm的實驗結果。分享友人