鐵磁電動的 的英文怎麼說
中文拼音 [tiěcídiàndòngde]
鐵磁電動的
英文
ferrodynamic- 鐵 : Ⅰ名詞1 (金屬元素) iron (fe) 2 (指刀槍等) arms; weapon 3 (姓氏) a surname Ⅱ形容詞1 (形容...
- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 電動 : motor driven; power driven; power operated電動擺 motor pendulum; 電動扳手 electric wrench; 電動泵...
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The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network
它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,頻率響應寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量和保護數字化、微機化和自動化發展的潮流。For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field, by establishing the equations of motion, the equations of distortion, the equations of lorentz force, the equations of electronic dynamic mechenical, and adopting iterative method, we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell, and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field
摘要為了獲得內邊界固定的環形導電薄板在均布力與橫向磁場作用下的變形問題的數值解,通過建立運動方程、變形方程、電動力學方程和洛侖茲力方程,運用迭代法得出了載流板殼的非線性磁彈性的計算方法和結果,以及機械場、電磁場對鐵質變厚度圓板各力學參量的影響程度。Ssr - dd series of dc solid relay is vastly applied to output joggle of computer and external equipments, it is also applied to control or switch dc load : dc relay 、 contactor 、 dc electrical motor 、 kinds of electric - heating apparatus 、 dc electromagnetic valve 、 electromagnetic iron 、 solenoid 、 filament lamp 、 indication lamp 、 plc logical electrical appliance and dc solid relay
Dd系列直流固態繼電器廣泛應用於計算機與外部設備的輸出介面,適用與控制或開關直流負載:直流繼電,接觸器、直流電動機、各類電熱器具;直流電磁閥,電磁鐵、螺線管、白熾燈、指示燈; plc邏輯電器。Speed controls for traction include not only electrical vehicles of horizontal transportation such as electrical trains, internal - combustion locomotives with electrical transmissions, underground metros, light fait locomotives, trolley buses, even magnetic suspension trains and electrical cars etc., but also electrical vertical traction systems such as elevators, automatic moving staircases, mine winding engines, and gantry crane trucks etc
牽引調速既包括電氣火車、電傳動的內燃機車、地下鐵道、輕軌機車、無軌電車及磁懸浮列車和電動汽車等這類水平運輸電動車輛,也包括電梯、自動電梯、礦井卷揚機和龍門吊車等電動豎直牽引系統。In the second half of his career at ornl, lue worked in the research and development of high - temperature superconducting magnet and cable for power applications
在橡樹嶺國家研究所的後半段時間里,呂錦文從事電動力應用所需的高溫超導磁鐵與電纜的研發。At present, differential protection is often used as the main protection for traction transformers. however, the existing of certain factors, such as magnetizing inrush, over - excitation, ct saturation and mismatching of ct ratio, will result in that it is hard to distinguish state current and fault current, and differential protection misoperation or maloperation, then secure operation of electric railways system will be threatened
目前,牽引變壓器通常採用差動保護作為主保護,但是在某些因數的影響下差動保護並不能準確的區分牽引變壓器內部故障或非內部故障,如故障電流與變壓器處于勵磁涌流、過勵磁, ct飽和及ct變比不匹配等情況下的狀態電流就很難準確的區分,可能造成保護誤動或拒動,從而危及整個鐵道電氣化系統的安全運行。Since iron hearts of a very similar role to iron core magnetic - fluid changes will enable the inductance with the electrical frequency change, and therefore affect the dynamics of the electrical performance
5 .由於爪極鐵心中的渦流作用引起鐵心磁導的變化,也就使電機的電感隨頻率而變化,因此影響電機的動態性能。The voltage ir on core adopts semienclosed insert model. the current element adopts two - stage compensation to have wide load property. the whole plasticenclosed voltage coil. can withstand instantaneous large voltage impulse. the double jewels bearing or the magnetic - propelled bearing can ensure long lifetime. the bipolar aluminium nickel cobalt damping magnet steels have high coercivity, stable magmetic property. the electric function is in accordance with iec521 international standard
:電壓鐵芯採用半封閉插入式,電流元件採用二級補償使表計具有寬的負載特性。全塑封的電壓線圈能稱說瞬時大電壓沖擊。雙寶石軸承或磁推動軸承確保表計長壽命。Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly
用同步電動機實現步進傳動;將步進電動機的設計思想從組合電磁鐵理論提高為旋轉磁場,使增量運動系統的容量和效率發展到一個新的水平,這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論,本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。We also analyzed the interaction among the distribution of the magnetic field around the magnet, the induced electromotive force in the coil and the vibration of the magnet
對永久磁鐵在空間產生的磁場分佈、感應線圈中的感應電動勢與磁鐵相應振動等因素的相互關系進行了計算分析。Permanent magnet synchronous motors ( pmsm ) have the advantage of not requiring any magnetizing current and easy to control. they are widely used in high performance servo systems
永磁同步電動機轉子勵磁由永久磁鐵產生,因其電路結構簡單,控制方便,而廣泛應用於高性能的伺服系統中。Besides the simple control and relatively larger force by increasing the dimensions, one of the most important reasons for this is that the basic elements of the microactuators can be fabricated with ic - compatible micromachining technology, such as electroplating of ni - fe alloy, a soft magnetic material, and structuring of plane and three - dimensional coils by resist micromoulding and electroplating
最後,最為關鍵的是磁驅動的基本材料與微機械加工技術是相兼容的,它們可以採用微機械加工方法進行加工。光開關的切換可以通過懸臂梁下端的電磁鐵線圈中的電流進行控制。Electromagnetic heat is generated from the coils that are transmitted with high frequency electric currents, when magnetic metal cookware is used, high magnetic frequencies are generated, thereby creating huge volumes of whirling fluids, which is transformed from electric power into heat power
電磁爐具熱源的產生是利用高頻電流通過一組線圈,形成高頻交變磁場,磁場的磁力線穿過鐵磁材料的金屬鍋,作用於鍋體內的粒子,使其劇烈運動、磨擦,即時產生極高的溫度場,將電能轉化成熱能。In the actual cases, there are many motors often operate on low load with low power factor and low efficiency, also there are many motors operate on the magnetic flux saturate region with high energy consumption, a large mount of energy used by ac motors is wasted due to all of those factors
在實際運行中,許多電動機經常處在低效率、低功率因數的欠載運行狀態下,還有許多電機則是鐵芯磁通常進入飽和區的高能耗電機,這些因素均可導致大量電能的浪費。The magnetic distribution of a - magnet is presented by analytic way and numeric simulation way. the single particle movement is studied in a - magnet and the movement rule of charged particle in ideal four poles magnetic field also is obtained. quantificational results of the incidence angle, trajectory length and the maximal distance in x direction are presented for ideal trajectory, and the equation indicates some important characters of a - magnet
論文對-磁鐵的有關物理問題進行了較為詳細的論述,從解析形式和數值模擬兩個方面給出了-磁鐵的磁場分佈,對單個粒子在-磁鐵中的運動進行了分析,利用數值求解方法研究了帶電粒子在理想四極磁場中的運動規律,提出了歸一化運動方程和理想軌道等物理概念,定量給出了消色散的入射角、軌道長度和x方向最大距離的解析表達式。Non - destructive testing of steel tubes - part 4 : automatic full peripheral magnetic transducer flux leakage testing of seamless ferromagnetic steel tubes for the detection of transverse imperfections
鋼管的無損檢驗.第4部分:檢測橫向缺陷用無縫鐵磁鋼管的自動全周邊電磁變換器漏磁檢驗The system takes both advantages, the former is fast and convenient characteristics of dasylab in building a control and measure system, and the latter is the powerful program function and abundant control button of labwindows / cvi. it can acquire, analysis and save the real - time data in the experiments of the lim and electromagnet meanwhile, it can control the start / stop of the lim. electromagnet and dc motor, as well as it can control the change of the voltage and frequency of the lim. the exciting windings voltage and rotor windings voltage of the dc motor
整個測控系統利用了dasylab組建採集分析系統的簡單快捷和labwindows cvi豐富的控制項與強大的編程功能,將兩者的優點有機的結合起來,可以完成直線電機及電磁鐵試驗中的數據採集、分析、存儲,並且可以控制試驗中直線電機、電磁鐵、直流電機的啟動與停止,對直線電機繞組電壓、直線電機繞組電壓頻率、直流電機勵磁繞組電壓、直流電機電樞繞組電壓、電磁鐵繞組電壓的大小進行控制。This dissertation is devoted to the study on permanent magnet synchronous motor ( pmsm ) drive system in electric vehicle ( ev ) application aided by the state " 863 plan " and the science and technology items of liaoning province. four parts are included as follows : first of all, an efficiency - optimization control strategy for pmsm system used in ev is presented in order to extend road haul per charge
在國家863計劃「九五」重大項目「釹鐵硼電機應用產品開發」 、遼寧省科學技術計劃項目「高性能釹鐵硼永磁電機的研製」及沈陽市「十五」科技攻關項目資助下,本文研究工作圍繞電動汽車用永磁同步電動機( pmsm )傳動控制系統展開,研究內容分為以下四個部分:首先,為提高電動汽車一次充電續行里程,提出電動汽車用pmsm系統的效率優化控制策略。The mathematical model of non - linear transient magnetic field excited by voltage source is established in this paper. it coupled with electric circuit equation and mechanical motion equation, could solve the transient problem excited by voltage source, and the effect of the eddy currents, non - linearity in magnetic materials and mechanical motion of medium is taken into account
文中建立了電壓源激磁下的非線性瞬態磁場的數學模型,通過把瞬態磁場方程、電路方程及機械運動方程耦合在一起,得出求解電壓源激磁下,考慮鐵磁材料的非線性、導電媒質的渦流及媒質機械運動等條件下的瞬態過程問題。In addition, the magnetic force of the different structure pma and saturation characteristic of magnetic material are analyzed in this paper, that provide valuable results for the design and optimization of pma
此外,本文還對不同結構形式的永磁操動機構電磁吸力及機構中鐵磁材料的飽和特性進行了分析,其結果為永磁操動機構的設計和優化提供了理論上的參考和依據。分享友人