電磁鐵鐵心 的英文怎麼說
中文拼音 [diàncítiětiěxīn]
電磁鐵鐵心
英文
electromagnet core-
On the other hand, the harmonic and surge current in capacitor banks is restrained so that the capaci - tor is protected by reactor. since this type of reactor has a dry - type air - cored structure, no - core structure without ferromagnetic induc - tion effect, it is provided with the feature of good linearity and low noise, so that the product is convenient for maintenance and ope - ration in all weather
該型電抗器採用乾式空心結構，維護簡單，運行安全，無鐵心，不存在鐵磁飽和，電感值不會隨電流變化而變化，線性度好，噪聲低，適合全天候條件下運行。Hollow ferrites particles are the alternative to conventional solid ferrites particles, which have lower density, larger specific surface area and stability. moreover, it is expected electromagnetic wave can be reflected and absorbed again and again in the cavum of hollow particles which become its black hole. in addition, their electromagnetic parameters can be adjusted in a certain range by changing the thickness of the shell and the diameter of hollow microspheres, and the ability of absorbing microwave can be expected to improve
空心結構的鐵氧體是對傳統實心鐵氧體的改造，不僅密度小，還具有特殊的電、磁功能，有可能使電磁波在其空腔中反復振蕩吸收，成為電磁波的「黑洞」 ，從而增加材料的吸波能力，同時可通過調節核殼粒子的內外徑來調控電磁參數。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。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。Design of multi - disc coreless permanent magnet synchronous motor based on halbach array
陣列的多盤式無鐵心永磁同步電機設計研究1. since this type of reactor has a dry - type air - cored structure, which will prevent leakage and burning so as to maintenance easily and operate reliably. no - core structure without ferromagnetic induction effect so that it is provided with the feature of good linearity and low noise
1 .電抗器採用乾式空心結構，避免油浸式電抗器發生漏油易燃等缺點，維護簡單，運行安全，無鐵心，不存在鐵磁飽和，電感值不會隨電流變化而變化，線性度好，噪音低。For low-frequency currents(up to about 15, 000 cycles per second)an iron core, called a magnetic circuit; is placed.
對于低頻率電流（約15，000周秒以內），置有一個叫作磁路的鐵心。For the former has inductance winding and ferromagnetic material, its measurement range is restricted by saturation, so it has a narrower range of frequency. being an inductance, it has the possibility of resonance
由於電磁式電壓互感器帶有電感線圈和磁性材料，測量范圍受鐵心磁飽和的限制，傳輸頻帶不夠寬；作為感性元件，存在鐵磁諧振的可能，可靠性差。The observer makes use of motor parameters to estimate speed, but these parameters ( stator and rotor resistance, magnetizing inductance ) will vary because of the change of environmental temperature, iron loss and main flux saturation. so parameter variation will lead to the error of estimation, the purpose of this paper is to study the influence and the compensation of parameter variation
因為觀測器在估計轉速時利用的是電機的額定參數，而電機的參數（定子電阻、轉子電阻、勵磁電感）由於環境溫度的變化、鐵心損耗和主磁飽和的影響將發生變化，所以必然有估計誤差產生。4. to get the motor ' s performance by calculation with known formulas, as a result an adjustment for the motor ' s configuration can be practised. when a combined method of altering the length of armature, the number of turns in the winding and the dimension of permanent magnet is used. 5. to get the motor ' s performance when it is driven by the power converter. finally, the calculated data are compared with the experimental measurements, so as to verify the rationality and reliability of the method
Q採用數值分析直軸負載磁場和交軸電樞反應磁場的方法來計算，得到較為準確的結果；根據電機工作特性的計算公式計算電機性能，由計算結果調整電機的結構，而調整工作使用改變電機鐵心長度、繞組匝數和永磁體尺寸相結合的方法，這樣可以得到較為理想的結果；對變頻電源供電時電機的工作特性進行計算，以檢驗其變頻時的性能。Therefore, the stable operational region of generators is discussed along with the analysis on relationship between under - excitation operation and loss of excitation / synchronism, end temperature rise of stator - core, and automatic excitation regulators etc
針對這種情況，對發電機穩定運行區域進行了探討，並對進相運行與失磁失步、進相運行與定子鐵心端部過熱、進相運行與自動勵磁調節器等關系作了分析。Firstly, srm magnetic field analysis is performed to get the flux density waveforms in motor core
本文首先對sr電機的磁場進行了有限元分析，得到了電機鐵心各點的磁通密度波形及變化規律。By adopting resistance divider, voltage sensor designed in this topic has no ferromagnetic resonance, overcome saturation, has no load sharing, and is permitted to short and cutoff in circuit, so it has high reliability
本課題所研究的電壓傳感器採用電阻分壓器原理，不存在鐵磁諧振，克服了鐵心飽和，不再有負荷分擔，短路和開路都是允許的，具有高的可靠性。Surface acoustic wave components, capacitors, emc filters, ntc thermistors, ptc thermistors, ferrites & accessories, inductors, microwave ceramics, arrestors, rf modules etc
聲表面波元件，電容器，電源濾波器，熱敏電阻，壓敏電阻，鐵氧體磁心與附件，電感器件，微波陶瓷元件，氣件放電管，射頻前羰模塊等等As a new kind of motor, switched reluctance motor ( srm ) has a doubly salient structure, and its windings are only mounted on the stators. these characteristics bring srm lots of virtues : solid structure, high reliability and efficiency, good fault - tolerance, low cost etc. switched reluctance driver ( srd ) combined srm with modern power electronic technology and control technology
開關磁阻電機（ srm ）作為調速電動機的新品種，採用定、轉子雙凸極鐵心結構，並且只在定子上裝有集中繞組，轉子上無繞組或永磁體，具有結構簡單堅固、運行可靠、效率高、功率變換簡單、容錯性好和成本低等優點。Abstract : the mathematical model for the magnetic field numerical calculation is presented with the theory and the method of magnetic field numerical calculation, which combines with the structure characteristics of the 5 - limb core. the program is compiled by fortran language, and an example for the 5 - limb with flat yoke is given. the results prove the correctness of the method and the practical value
文摘:應用電磁場數值計算的理論與方法，結合五柱鐵心的結構特點，推導出磁場數值計算模型，用fortran語言編制出計算程序，並對五柱平軛式鐵心結構進行實例計算，計算結果驗證了分析方法的正確性和實用價值With summarizing and describing systematically the fundamental principles and research developments of electromagnetic field in the motor, finite element analyses ( fea ) of electromagnetic field of engineering, the switched reluctance motor ( srm ), and iron losses of motor cores, taking the common four - phase, 8 / 6 - pole srm as the object of study, this paper analyses, calculates, and then simulates the electromagnetic field in the srm using 2d finite element method, and obtains the - i - characteristics as the magnetization curve of the srm with the data derived from the results of fea
本文在系統地總結和描述電機內的電磁場、工程電磁場有限元分析、開關磁阻電機（簡稱sr電機）以及電機鐵心損耗基本理論和研究進展動態的基礎上，以常見的四相8 6極電機作為分析對象，進行sr電機磁場二維有限元分析與計算，對電機內磁場進行了模擬，並通過有限元計算所得有關數據獲得- i -形式的sr電機磁化曲線。For low - frequency currents ( up to about 15, 000 cycles per second ) an iron core, called a magnetic circuit ; is placed
對于低頻率電流（約15 ， 000周秒以內） ，置有一個叫作磁路的鐵心。It mainly calculates intensity of magnetic flux in every part of motor magnetic circuit in order to prevent the fact the intensity is so high that the magnet core saturates
改繞計算主要是計算電動機磁路各部分磁通密度數值，不使其過大而致鐵心嚴重飽和。Thirdly, the proportional electromagnetism of the change over valve is introduced in terms of principle, type of action and characteristics
然後介紹了電空轉換閥核心技術比例電磁鐵的原理、作用方式、特點等。分享友人