magnetic losses 中文意思是什麼
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Based on the magnetic field data, this paper presents a double - frequency method to separate eddy current lossand hysteresis loss from iron loss, then different methods are used to calculate the two losses separately
在磁場計算所得數據的基礎上，本文提出了採用雙頻法分離出sr電機鐵損中的渦流損耗與磁滯損耗，並分別採用不同的方法計算出這兩種損耗。 -
The air - gap harmonic magnetic field and its effect on the iron losses are analyzed ; then the design rules to reduce the harmonics and the iron losses are presented ; at last, the sine or approximate sine air - gap magnetic field is constructed with non - homogenous air - gap, and the non - homogeneous air - gap function is presented
第三部分對永磁同步電動機的氣隙磁場進行了理論分析和電磁場數值計算，分析了永磁同步電動機氣隙諧波磁場的特點和不同轉子結構尺寸對氣隙諧波的影響，提出了削弱氣隙諧波磁場減小損耗的措施。 -
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。 -
In this paper, the research progress of ac losses of high temperature superconductors and the existing problems on ac losses investigation are introduced ; the characteristics of the critical current and ac losses of hts tapes, stacked tapes and hts coil, such as electro - magnetic characteristics, the anisotropy, the mechanics characteristics and the effects of insular layer between stacked tapes and the influence of frequency of ac transport current etc, are investigated
本文在系統介紹高溫超導體的交流損耗及其研究現狀與存在問題的基礎上，從理論和實驗兩方面，研究了bi系高溫超導單根帶材、多根超導並聯組合帶材、及超導線圈的臨界電流與交流損耗的特性：重點研究了交流損耗與臨界電流的電磁特性、機械特性、各向異性特性、及帶間絕緣層與傳輸電流頻率對交流損耗的影響等。 -
A high - speed generator is much different from a low - speed one not only on the mechanical aspect but also on the electrical - magnetic aspect. the main content of this paper are focused on the followings : first of all, a series of problems caused by the high speed are researched and the relative solutions are given out about the stator, the research focuses on stator losses, winding type, cooling system and so on
高速發電機轉速很高，無論在機械性能方面，還是電磁性能方面都與低速電機有較大不同，本文主要內容就是圍繞高速永磁發電機的設計特點從以下幾個方面展開的：首先，對高速電機因高轉速引起的一系列問題進行了研究，提出了解決相關問題的措施。 -
The main research aspects are as follows : the method of ac transport losses measurement in ac applied magnetic field was investigated. upon the analysis of ac loss measurement, a method to measure ac transport losses in ac applied field was proposed by use of double " 8 " shape coils. a programme controlled system was set up to measure ac losses of hts tapes and coils, which can ensure the experiment data needed by theoretical analysis and verification
主要包括：在實驗方面，探討了交流背景磁場下高溫超導帶材的交流傳輸損耗的測量問題，通過對交流損耗測量的理論分析，提出了採用雙「 8 」字形電勢引線測量交流背景磁場下高溫超導帶材交流傳輸損耗的方法；建立了超導帶材短樣及線圈交流損耗的電測量系統；從而為交流損耗的研究提供實驗數據與理論檢驗標準。 -
By replacing the copper rotor winding of a conventional motor with hts windings, higher magnetic fields will be produced with virtually no rotor losses and significantly reduced losses in the armature
用高溫超導線圈代替傳統電動機的銅轉子繞組之後，幾乎無轉子損耗並可以大大降低電樞的損耗，同時，電動機也產生了高能磁場。 -
With the development of modern permanent magnet ( pm ) machine to high speed, high efficiency, high power density and micromation, the limitation of traditional rare earth pm machine is exhibited, such as higher ripple - free torque, higher losses, lower open - circuit magnetic field, etc. halbach motor, a new type permanent magnet motor, first proposed by american scholar klause halbach, has been studied very widely. halbach motor has higher magnetic field, usually as 1. 4 times as that of traditional rare earth permanent magnet machine, which attributes to higher power density
Halbach永磁電機是由美國學者klausehalbach提出后一直被廣泛研究的一種新型永磁電機，和普通永磁電機相比其優越性有：氣隙磁密比一般永磁電機可增大40 ，從而可有效提高電機的功率密度；固有的正弦分佈磁場，可為電機設計和加工帶來便利，降低成本；自屏蔽效應，轉子可不再需要為磁路提供閉合迴路，這為轉子的選材提供了較大的空間。 -
Research and summary for stray losses and overheating control on metal parts caused by leakage flux of transformer has been given by author in this article through a lot of tests on site, meanwhile, the analysis has been given by electrical - magnetic theory also
本文運用變壓器電磁學理論，通過進行大量探索性試驗，研究並總結出如何控制由於變壓器漏磁引起的附加損耗以及金屬構件中的溫升。 -
When the motorcycle is braking or slowing down, the kinetic and / or potential energy is fed back to the battery, so the running distance can be extended and the energy efficiency is improved. an asynchronous motor is employed in this new system which can overcome the traditional dc drive system bugs and to reduce the cost and maintenance. in addition, the switches of dc / dc converter switch under zero current and zero voltage conditions, which can also reduce the switch losses, electro magnetic interference ( emi ) and prolong its life
該系統在功能上實現了車輛剎車減速或下坡制動時能量的回饋，達到節能、提高能量使用效率和增加車輛行駛距離的目的；採用交流異步電機，克服了傳統直流驅動系統的諸多缺陷，降低了成本，減少了維護；採用zczvs技術，降低了電磁干擾和損耗，提高了效率；另外，在逆變主電路中採用ipm模塊，簡化了系統結構，節約了空間，提高了整個系統的可靠性和經濟性。 -
Core losses are caused by an alternating magnetic field in the core material, thie losses are a function of the operating frequency and the total magnetic flux swing, the total core losses are made up of three main components, hysteresis eddy current and residuallosses, these losses vary considerably from one magnetic material to a - nother, applications such as higher power and hither frequency switching regulators and rf designs require careful core selection to yield the highestinductor perfor - mance by keeping the core losses to a minimum
鐵損是由於在鐵芯中的變更磁場院所造成，這個損失與操作頻率及總流動的磁通量有關，總鐵損由三個成份組成，磁滯損，過流損及殘留損，這些損失因磁性材料不同而異，在如高功率切換調整器和rf的設計需要小心選擇鐵芯種類以降低鐵損使電感的表現最佳。 -
If the stator or rotor ( or both ) is subjected to a time - varying magnetic flux, the iron core is laminated to reduce eddy current losses
如果定子和轉子都同時受到時變磁場的影響，就將鐵芯許多薄片組成，以減小渦流損耗。 -
Magnetic dispersion losses
磁漏損耗 -
By producing higher magnetic fields and minimizing losses, hts motors will be the ideal choice for large motor applications over 1, 000 hp
在超過1000馬力大型電動機的應用中，能夠產生更高的磁場並且能夠盡可能減少損耗，超導電機將成為最理想的選擇。 -
Basic structural parameters of magnetic bearings are analyzed and principles of selecting these parameters are introduced. basic characters of magnetic bearings are analyzed, including static working point, the largest magnetic force and power losses etc. assigning maximal magnetic force as objective function, the optimal design of radial magnetic bearing in magnetic levitated hard disk drive is completed, and the results of optimal design are presented
對磁力軸承的基本結構參數進行了分析，闡述了這些參數的選用原則；對磁力軸承的幾個基本特性進行了分析，包括靜態工作點、最大承載力、功率損耗等；以最大承載力為目標對磁懸浮硬盤的徑向軸承進行了結構優化設計，並對優化結果進行了分析。
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