field-winding 中文意思是什麼
field-winding
解釋
磁場繞組-
Alternator field winding
交流發電機磁場繞 -
The winding through which a current is passed to produce the primary source of flux in the machine is called the field winding
電流通過其在電機中產生主磁通的繞組稱為勵磁繞組。 -
So far, there has existed several kinds of theory of ground fault protection for field winding of generator. in these methods, pingpong bridge field ground protection is a simple and effective one
目前已有多種原理的發電機勵磁迴路接地保護，其中乒乓式勵磁迴路接地保護是一種簡單有效的保護原理。 -
In the second part, provided that the operating mode of the turbo generator keeps unchanged when the rotor winding appears fault, the magnetic motive force of the field winding will keep unvaried
通過對發電機磁動勢的分析，得出發電機在故障前後運行工況不發生變化的條件下，勵磁磁動勢將會維持不變的結論。 -
Being added an anti - phase compensating winding, this device, which is placed between high voltage line and first insulator, makes the synthesized magnetic field in magnetic core reach a dynamic balance, and thus solves the problems from remanence and assures the measurement accuracy
其漏電流傳感器增加一個反相的補償線圈，使得電流傳感器磁芯內的合成磁場達到動態平衡，解決了由於剩磁而帶來的問題，保證了測量精度。 -
This paper uses field methods to calculate the winding loss and the modified steinmetz experiential equation for core loss calculation
鐵心損耗的計算是基於steinmetz經驗公式來進行的。 -
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。 -
Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot
Sr電機鐵心的磁通波形不僅與電機的相數有關，還與定、轉子齒極數、定子繞組連接方式等密切相關，從而使得sr電機磁場分析很復雜，復雜的磁通密度波形導致電機損耗特別是鐵損的計算非常困難。電機的損耗又會引起電機的溫升，因此高性能的sr電機的熱分析也成為目前的研究熱點。 -
The narrow winding road crosses many a mustard field ， and many a mango forest
曲徑穿過一片芥菜田地和幾層芒果樹林。 -
The surface semi - conducting layer is widely used to control the electric field and suppress the surface corona discharge in both hv power cable termination and the end turns of hv generator stator winding
摘要表面半導電層結構可以均勻電場和抑製表面電暈放電，因此被廣泛應用於高壓電力電纜接頭和高壓發電機定子線圈端部絕緣中。 -
Powerformer is a new high voltage generator ， which use xlpe cable as stator winding instead of rectangular conductor bars ， thereby it overcome the shortcomings which the shape of these conductors results in an uneven electric field distribution with high electric field strenghs at the corners especially and prevents the output voltage of the conventional generator from exceeding about 36kv powerformer offers a direct connection to the network without the need for a step - up transformer as a consequence, there are some merits in the total plant equipped with powerformer, such as high effiency, high availability, low maintaining cost and giving less environmental impact
Powerformer是一種新型的高壓發電機，它採用電纜代替矩形導體作為定子繞組，從而克服了矩形導體電場分佈不均勻，特別是在矩形導體在導體拐角處電場過于集中而使常規發電機的輸出電壓等級不能高於36kv的缺點，使其能夠直接和輸配電網相聯，這樣就不需要升壓變壓器，同時也使裝配powerformer的電廠具有如下優點高效率、可利用率提高、維修費用降低和降低了對環境的負面影響。 -
For compensating the nonlinear error between winding current and the result magnetic field of stepper motor, the method of minimum square is adopted to fit and correct the error curve of subdivision step angle, and the subdivision precision is improved
為了補償步進電機相繞組電流與其產生磁場之間非線性引起的誤差，採用了最小二乘法對細分步距角誤差曲線進行了擬合與修正，提高了細分精度。 -
The dissertation introduces you a kind of intellectualized machine, which can be used to those precise winding for some loops of different standard such as inductance loop, mutual inductance apparatus, round transformer etc. the design and study involved the application field of singlechip, the use of electromotor, the check of infrared and hall ' s apparatus, the mutual talking interface of lcd display and keyboard control
本文介紹的是一種能自動給某些電感線圈、互感器、環形變壓器等不同規格的線圈進行精確繞線的智能機器，其設計與開發涉及到單片機的應用領域、電機的使用方面、紅外線與霍爾器件的檢測應用、液晶顯示與鍵控的人機對話平臺。 -
Based on characteristics of the whole manufacturing process enclosed the winding, cure and autofrettage processes for the composites filament wound vessel with metal liner, a methodology for the prediction of the induced process stress field has been developed
摘要基於具有金屬內襯復合材料纏繞容器纏繞、固化和預超壓3個製造工藝過程的特點，提出一種溫度參數當量法模型和虛實單元分析策略，以模擬在纏繞預張力工藝中的力學行為。 -
On this basis, fortran program is written to solve temperature and velocity fields in transformer. by using this program we can calculate total flow, duct flow, mean temperature rise of transformer oil, oil time constant, mean oil temperature rise in each winding - coil, temperature distribution in each winding - coil, and stable / transient state temperature field. so this program has a great use value
在此基礎上，我們編制了計算自然油導向冷卻的具有餅式線圈變壓器流場和溫度場的fortran程序，程序可以對總油流量，進入各相、各油道的油流量，各線圈內的油流分佈，變壓器的油平均溫升，油的時間常數，各線圈的平均線油溫升，各線圈內的油溫分佈以及各線圈的穩態溫度場、暫態溫度場進行定量模擬，具有較強的實用價值。 -
The researcher could use the ansys software to design and analyze the motors who did n ' t know the ansys software very well by the special purpose software packets. the influence of a centralization winding brushless dc motor structural design parameter and magnetic field were analyzed, and a way to achieve the fix position angular force was brought out
利用上述軟體研討無刷直流電機的定位轉矩的求取方法；分析集中式繞組的無刷直流電機各結構設計參數對磁場的影響，嘗試求取、分析空載漏磁系數，討論如何削弱定位轉矩。 -
Finally, a non - linear finite element method on the basis of the classical plastic theory was introduced to analyze the distribution of residual stress field in the filament winding layers and metal liner after the autofrettage process
採用經典塑性理論為基礎的非線性有限元方法，預測了預超壓工藝后容器復合材料纏繞層和金屬內襯內殘余應力場的分佈。 -
2, the single - phase electrical strict sense, the main winding of the magnetic field is generated directly to the pulse magnetic field rather than straight to rotary magnetic field is not a moment ; namely : supply of electrical equipment not own
2嚴格意義上的單相電機，其主繞組所產生的磁場是直來直去的脈動磁場而非旋轉磁場，是沒有啟動力矩的即：通電后電機不會自己轉動。 -
Based on the investigation of analysis methods for the overvoltage striking on rotating electric machines and its research status at home and abroad, the safety forecast theory and the analysis method for the switching overvoltage of large power stations are firstly presented based on the field - circuit analysis, and the transient field distribution and the insulation condition in the stator winding insulator stricken by the switching overvoltage in large power stations are studied and analyzed on line
本文在分析和總結國內外關于旋轉電機過電壓分析方法及其研究現狀的基礎上，首次提出了基於場路結合的廠站操作過電壓安全預測理論和分析方法。本文研究了大型電站中的操作過電壓沖擊波在發電機定子繞組絕緣介質中暫態電場的實時分佈狀態，在線分析發電機的絕緣工作狀況，搜索發電機內部可能突發絕緣事故的區域，預測發電機內部可能發生絕緣事故的故障點，並重點研究了大型發電機絕緣安全在線預測分析方法和建立了大型發電機絕緣安全評估模型。 -
( 2 ) implement of monitor and control for field equipment. rs - 232 ( 485 ) serial communication criterion tcp / ip protocok client / server mode and customed upper communication protocol are applied to this system to implement local or remote monitoring control for the filament winding equipment and data exchange between equipment and upper network
採用標準的rs - 232 （ 485 ）現場通訊標準、 tcp ip協議，客戶機服務器模式以及自定義的上層通訊協議及數據格式，對纖維纏繞機及輔助設備實現本地或遠程的網路監控，以及設備與設備之間、設備與上層網路之間的數據交換。
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