漏磁的 的英文怎麼說
中文拼音 [lóucíde]
漏磁的
英文
leaky-
Powerformer have some changes in constract with the conventional generator , subsequently it also have some new problems in order to have an economical , efficient , credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design , magnetism design , thermal design and structural design are have some new changes above all , the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first , it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances , including monolayer - slot , multilayer isometric - slot and multilayer anisometric - slot then , the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second , the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced , including stable reactance , transient and subtransient reactance specially , the saturated influence of the stable reactance is considered then , the results are analysed final , it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then , it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence
基於上述原因,本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式,考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況,並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算,並比較其結果;其次,簡要介紹了有限元法計算powerformer電抗參數的原理,包括穩態電抗、瞬態電抗和超瞬態電抗,對穩態電抗考慮飽和影響,對結果進行分析;最後,介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢,看看繞組排列對諧波磁勢的影響。The approximation analysis result of band dipole model is obtained on the basis of the theory of mfl. the electromagnetic distribution feature of the defect in the steel panel is studied by means of simulation. the leakage magnetic distribution of the two defects and four defects plural and the defects in the column differently in the width are also assayed. conclusions that factors affecting flaw magnetic leakage to the panel also affect the column and magnetic leakage bx should be the feature of the flaw identification to several flaws are drawn
在對漏磁檢測原理進行詳細介紹的基礎上,得出了帶偶極子模型的近似解析解,並以有限元數值模擬分析為主要手段,以鋼板上缺陷為對象,分析了各因素對缺陷漏磁場產生影響的不同規律,同時模擬分析了板上平行的兩條裂紋,四條裂紋以及柱體上寬度不同時的裂紋的漏磁場分佈特徵,得出結論:影響板上缺陷漏磁場的諸因素會對柱體上缺陷漏磁場產生同樣的影響;對于多條裂紋,宜用漏磁分量bx作為缺陷識別的特徵量。Magnetization of the magnetic leakage detection technology
油管漏磁檢測中的磁化技術In the light of the status that there are caustic faults in the oil well tubing and there are not effective inspections, in this paper the plane roundness fault model of the is studied, and the magnetic leakage flux distributing model at the direction of the normal of the roundness fault is proposed
針對油管容易遭到腐蝕性損傷而目前缺乏有效檢測手段的現狀,本文系統的研究了平面圓形缺陷模型,提出了圓形缺陷的法線分量漏磁場的實驗分佈模型。The small part which returns via an air path is called the leakage flu and is indicated by dotted lines.
一小部分經空氣路徑返回的磁通量,叫做漏磁通量,並用虛線畫出。By starting with the analysis of generator end structure and overheat sources, it is presented that the technical key required to expand the capacity of the unit is to solve the electromagnetic leakage shielding problem. by proceeding with the analysis of the reasons causing the aging of the stator winding bars insulation, the necessity for stator winding bars to adopt class f insulation and relative fixing technological improvement are pointed out so as to extend the service life of the winding bars insulation
從分析發電機端部結構及過熱原因入手,提出了增容的技術要點在於解決端部漏磁屏蔽問題;從發電機線棒絕緣老化原因分析入手,指出為延長定子線棒絕緣使用壽命,線棒主絕緣採用f級的必要性以及相關工藝的改進。A nondestructive system for monitoring broken wires in production line was designed, which based on the magnetic character of locked coil wire rope
根據密封鋼絲繩的結構特點,採用漏磁檢測技術,研製了一套斷絲在線無損檢測系統,能對密封鋼絲繩生產過程中出現的斷絲現象進行有效監測。The second chapter explains the character of mfl data by introducing the principle of pipeline mfl inspection and the structure of mfl detector, and then brings forward the diagnostically lossless compression request by combine discuss the analyzing method of inspection results
第二章通過對管道漏磁檢測原理和檢測器結構的介紹,說明漏磁檢測數據的特徵並結合檢測結果的分析方法提出對管道漏磁檢測數據的檢測無損壓縮要求。The alternating current in the alternating current magnetic field leakage testing ( ac - mfl ) is one of the magnetizing manners. the sensitivity is very high to the defect of surface and the near to the surface of the workpiece. it is one of the developing directions of nondestructive testing ( ndt ) domain
交變漏磁檢測技術中的交變是漏磁檢測技術中的一種磁化方式,該技術對工件表面及近表面缺陷具有較高的檢測靈敏度,是無損檢測領域未來主要發展方向之一。Thickness measurement and detection for magnetic materials using magnetic leakage flux method
漏磁法測量導磁材料的厚度及缺陷The influence of separating magnetic flux method of rotor with u ' s and tangential permanent magnet to the pole - to - pole leakage factor is analyzed by finite element method ( fem ), and given the rule of design
通過對pmsm進行電磁場求解,分析了u型結構和切向結構轉子磁路結構的隔磁措施對電機極間漏磁系數的影響,提出了設計準則。This paper, combined with the task and based on the thorough analyses of the theories and methods of data compression, realize the data compression of the mfl inspection data using huffman coding and wavelet transform coding
本文結合課題,在對數據壓縮的原理和方法進行深入分析的基礎上,分別利用霍夫曼編碼和小波編碼等方法實現了管道漏磁檢測數據的壓縮。I first introduce the importance and the basic situation of the steel tube ends testing ; then explain the flux leakage theory, which is the base of the design of the testing flux leakage system
在本文中首先討論了端頭檢測的研究現狀及其意義,然後研究漏磁檢測的基本原理,這是端頭漏磁檢測系統設計的基礎。For the convenience of testing, sampling software was programmed using vc + + 6. 0 through computer. this software can control the scanning device to move in various ways, and can take real - time data from gauss meter by rs232. now, weak magnetic measurement system has been completed
又利用vc + + 6 . 0編制了軟體,控制掃描架按照多種方式進行掃描,將高斯計測得的漏磁場數據實時採集到數據庫中,組成了一套可精確定位、自動採集數據的弱磁場測量系統。As the main products series of non - leak pumps, the market of magnetic force pump is very large, centuries - old history of magnet utilizing and abundant thulium contain establish stable bases of thulium magnet couplings " exploitation and applying of magnetic force pump driving technology
磁力泵作為無泄漏泵的主要產品系列,市場前景非常廣闊,我國具有悠久的永磁利用歷史和巨大的稀土儲藏量,為稀土永磁聯軸器的開發和在磁力泵傳動技術中的應用奠定了堅實的基礎。Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation
作者在參閱大量國內外有關文獻,著重探討了水泵流量、揚程、軸功率、轉速的測試原理和測試方法,提出了採用電測法並結合電機效率特性曲線測量水泵軸功率,從而避免了損耗分析法中大量復雜的中間過程,滿足了試驗裝置的自動化測量要求;採用漏磁感應線圈法測量電機轉速,彌補了其它轉速測量方法對水下電機測試的局限性,適應了萊恩公司開發潛水電泵的實際需要。Abstract : based on principle of minimal leakage magnetic field energy for current distribution of parallel coils in the primary side of transformer and also on finite element method, the method for calculating the current distribution of parallel coils in the primary side is studied and solved
文摘:以變壓器一次各並聯線圈的電流分配一定滿足漏磁場能量最小原理為基礎,結合有限元方法研究了計算一次各並聯線圈電流分配的方法。Leakage analysis of claw - shaped pole electric machine using fem
爪極發電機漏磁的有限元分析Based on the review of the factors of affecting the distribution of mfl on the ferromagnetic material, this dissertation described the wire rope defects characters from mfl signal and put emphasis on the analysis of the mfl character of mass broken wires in a strand. this dissertation indicated the peak value and width and sharpness of the mfl signal, which together provided information about mass broken wires
在總結了鐵磁材料漏磁影響因素的基礎之上,分析了鋼絲繩各種缺陷漏磁的特徵,重點研究了鋼絲繩一股中集中斷絲的漏磁特徵,指出漏磁波峰的峰值、寬度、峰尖銳度等共同反映集中斷絲的信息。By magnetic field analysis for the stage, three formulas reached : one is magnetic road magnetic force calculational formula of magnetic levitation system that except flux leakage, the second is magnetic driving force calculational formula for open magnetic road dc linear motor, the third is magnetic flux density calculational formula for dc linear motor. these formulas make reference for design, analysis and control
本文對磁懸浮定位平臺進行了電磁場分析,推導出磁懸浮系統不計漏磁的簡單磁路、磁力計算公式和原理樣機所採用的開磁路直流直線電機推力及磁通密度計算公式,為設計、分析及控制提供參考。分享友人