牽引力變動 的英文怎麼說
中文拼音 [qiānyǐnlìbiàndòng]
牽引力變動
英文
tractive force variation-
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2圓形尼吊裝繩系列:無接頭尼吊裝繩兩頭扣尼吊裝繩多叉尼吊裝繩船用錨繩纜繩引紙繩變壓器吊裝繩各種規格編織吊繩,尼繩,啟動拉繩,啟動繩,引擎拉繩,引擎繩,起動拉繩,起動繩,動力繩,安全清洗繩,安全繩,保險繩,耐火救生繩,維綸繩,丙綸繩,滌綸繩,錦綸繩,尼吊繩,尼吊裝繩,錨繩,靠岸繩,旗繩,晾衣繩,復合吊繩,掛衣繩,宿營繩,保護繩,防火繩,尼網,休閑吊網,跳繩,蠶絲繩,全棉繩,塑膠繩,布繩,拔河繩,攀巖繩,遊艇繩,綿綸絞制繩,織制繩,登山繩,拔河繩,立桿繩,水平繩,工藝繩,吊繩,船用纜繩,絞制纜繩,綿綸絕緣繩,三股繩,八股繩,軍用繩,線路牽引繩,吊棕繩,割刀繩,引紙繩,包裝袋繩,禮品盒繩,酒盒繩,食品盒繩,手提袋用繩,禮品盒用繩,工藝品用繩,服裝用繩,聚乙烯繩,聚丙烯繩,混紡繩,纖維綸繩,復絲繩,撕裂膜繩,編織繩,加鉛繩,功能繩,軟梯繩,尼軟梯,軟梯,尼繩梯,尼梯繩,安全網,棉繩,彈力橡筋繩,嵌邊繩,封蠟繩等,啟動繩啟動拉繩引擎繩引擎拉繩起動拉繩,雙編織繩,金剛打編織繩,股編織繩,股編織繩,多股編織繩。Cu - zn - cr - zr conducting bar alloy and cu - cr - zr end ring alloys used for superpower asynchronous traction motor rotor were prepared by ingot metallurgy. using hardness measurement, tensile test at room and higher temperature, electrical resistance test at room and higher temperature, optical microscopy, xrd, sem, and tem, the mechanical and electric properties and the microstructure of above alloys at different treatment were studied. them were also analysed and explained in theory
採用鑄錠冶金法制備了大功率異步牽引電動機轉子用導條合金和端環合金,通過硬度測試、室溫拉伸、高溫拉伸、電導率測定、金相分析、 xrd 、 sem 、 tem等方法研究了不同加工工藝和熱處理工藝對上述合金力學性能、導電性能及其組織結構的影響和變化規律,並從理論上進行了分析和解釋。In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given
針對交流傳動電力機車的傳動特點,對其中的牽引變壓器的工作狀態進行了分析,指出交流傳動電力機車用牽引變壓器設計時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網壓波動大可能引起的過勵磁以及直流磁化等問題,同時給出了相應的一些解決方法。It satisfies the requirements of china standard ( gb / t 14549 - 93 ), the harmonic and negative sequence component leaded by the input of electrified railways traction load are measured in si yan qiao substation. this thesis mainly analyzes the effects on the electric elements, feeding system losses, protection system and automatic device, and proposes corresponding schemes according to the problems occurring in si yan qiao substation
本文實測了瀘州石燕橋變電站電氣化鐵路牽引負荷注入電網的諧波和負序分量,著重分析了電力系統中電氣設備、供電網線損、繼電保護和自動裝置受電氣化鐵路諧波和負序的影響,並針對石燕橋變電站出現的問題提出了對策。The improvement and application of motive power carrier of mine in electronic haulage shearer with frequency conversion
礦用動力載波在交流變頻電牽引採煤機上的改進與應用Aiming at the defects of the imc - 70 model stubble - plastic film residue collector that the draft is rather great and the plastic residue or stubble are sometimes left out in the operation process, formulas for the principal parameters of the knives have been driven out based on the analysis of the distribution manner in the field of the stubble and plastic film residue, the variation range and the variation tendency of the principal parameters for the reduction of the draft have been found on a trial basis in the corn field through theoretical analysis and experimental study and a mathematical model for the draft applied on the knives has been established in accordance with the movement and distortion of the soil under the action of the knives
本文針對1mc ? 70型地膜回收起茬機起膜、起茬鏟刀在作業中阻力大,殘膜、根茬有漏起的現象,通過對作物收獲后殘膜、根茬在田間分佈情況的分析,推導出鏟刀滿足生產要求主要參數的求取方法和公式,並經理論分析和試驗研究,確定了鏟刀對玉米茬地進行起膜、起茬時主要參數的取值范圍和減小牽引阻力各參數的取值規律。以鏟刀作用下土壤的運動變形為基礎,建立了鏟刀牽引阻力模型。By using this matching software, input / output characteristic and drawbar performance are obtained for engine and hydraulic converter working together so that the matching rationality between engine and hydraulic converter can be judged, which is significant in type selection of hydraulic converter
通地應用匹配軟體,得到發動機和液力變矩器共同工作輸入特性、共同工作輸出特性和牽引特性曲線,從而判斷二者匹配是否合理,對液力變矩器的選型具有重要的意義。From the service actuality of ji - tong railway traction, the property of joint railway, and referring to the experiences of the reform about national railway traction power, this paper put forward several proposals on the transition from steam to diesel, for the optimum way to do the transtition the joint railway
從集通鐵路牽引動力運用現狀、合資鐵路性質及特點,參照國鐵牽引動力變革的經驗,提出由蒸汽過渡為內燃的幾點建議,以在合資鐵路中尋找動力變革的最佳途徑。He specialises in power electronic converters for variable speed windmills and medium voltage drives designs for ac motor drives from, high speed micro turbine and variable speed gen - sets, innovative circuits for ups applications, traction applications in trains, trolley - buses and trams, battery driven vehicles, automotive drives and fuel cell applications
施雷伯先生的專長是研究變速風力發電機的電力電子變換器和用於交流電動機驅動的中壓電力電子設計,從高速微型燃氣輪機和變速機組,用於ups應用的新型電路,歐列車中的牽引應用,無軌和有軌電車,電池驅動汽車,汽車驅動和燃料電池。Electric traction - rotating electrical machines for rail and road vehicles - part 2 : electronic convertor - fed alternating current motors
電力牽引.鐵路與道路車輛用旋轉電機.第2部分:電子變流器供電的交流電動機Electric traction - rotating electrical machines for rail and road vehicles - part 1 : machines other than electronic convertor - fed alternating current motors
電力牽引.有軌與道路車輛用旋轉電機.第1部分:除電子變流器供電的交流電動機之外的旋轉電機Toyota is performing this juggling act right now, touting world - class hybrid technology with the prius, while simultaneously offering traditional horsepower and towing capacity to new pickup truck buyers
豐田汽車現在就在變這個戲法,鼓吹什麼世界級的前置混合動力,其實只是提供傳統動力和牽引架的新型敞篷載貨小汽車給買主。Development of alterable frequency ac traction motor for freight electric locomotive
貨運電力機車用變頻交流牽引電動機的開發Based on the structural and characteristics analysis upon a certain new style traction - braking typed hydraulic torque variation reducer, the simulation model was established for certain typed vehicle to be on a long decline
摘要基於對某新型牽引制動型液力變矩減速器的結構和特性分析,建立了某型車輛下長坡的模擬模型。Along with science and technique development and the variance of battle mode, the cruise missile again mounted on the stage of hi - tech local war from the 1990s, and fully exhibited the breakthrough capability of precisely beating from far distance in the low space, and then played an important role in the real war
摘要受到科學技術發展的推動和戰爭形態變遷的牽引, 20世紀90年代以後,巡航導彈再度登上高技術局部戰爭的舞臺,充分展示了強大的低空突防和遠距離精確打擊能力,實戰中發揮了巨大作用。Abstract : the basic circuit principle of ac drive traction converters is introduced, whose technical characteristics and development process are also described in details combinating the main parameters of traction converters for ac drive locomotives, such as dj electric locomotive, nj1 diesel locomotive and dwa metro engineering machine
文摘:闡述了交流傳動牽引變流器的基本電路原理,結合國產dj型電力機車、 nj1型內燃機車、 dwa型地鐵工程車等交流傳動機車牽引變流器的主要技術參數,對交流傳動牽引變流器的技術特點及其發展過程作了較為詳細的敘述。This thesis demonstrates a " ac - dc - ac locomotive emulation experiment platform " system, which is used to simulate behaving environment of locomotive system in several control circumstance and obtain kinds of performance parameters, so it contributes to the design of locomotive. to user - computer interaction, this thesis devises corresponding graphical user interfaces, so users can configure various modules " and controllers / parameters with knowing little about the details of this emulation system
本論文擬構造「交?直?交型電力機車模擬試驗臺」一系統,模擬電力機車系統在各種控制條件下(如牽引、制動等)的運作情況,觀測各種性能指標參數(如變壓器一次側電壓/電流/功率因數、牽引電機電壓/電流、牽引力、機車速度等) ,這對于電力機車的設計和運行具有一定的指導意義。1. adopting frequency vector conersion motors control the main motor, unwinding and rewinding, and tension of them. seven motors controlled
1主機收料放料及收放料牽引均採用矢量變頻電機控制全自動七電機張力控制。分享友人