磁性材料及器件
磁性材料及器件
자성재료급기건
JOURNAL OF MAGNETIC MATERIALS AND DEVICES
2013年
2期
37-40
,共4页
陈俊全%马伟明%王东%李富华
陳俊全%馬偉明%王東%李富華
진준전%마위명%왕동%리부화
磁性材料%旋转磁化%铁损%磁性测量
磁性材料%鏇轉磁化%鐵損%磁性測量
자성재료%선전자화%철손%자성측량
magnetic material%rotational magnetization%iron loss%magnetic measurement
电机轭部以及多相变压器接合部存在旋转磁化现象,为了对其进行研究,本文设计了单轭结构的旋转磁化平台,并在MAXWELL中对测量平台的三维瞬态磁场进行了模拟.结果表明样片中有效区的磁密分散性小于0.01T,角度分散性小于1°,此外,文中对二维旋转磁场的产生以及磁场测量方法进行了探讨,并且在此基础上研制了二维旋转磁化特性测量平台,并编制了基于 MATLAB 语言的在线测量界面.通过对单片材料50WW400进行实验,观察到无取向材料仍具有显著的各向异性以及二维磁化不同于一维磁化的导磁与铁耗特性.此平台的研制为后续深入研究材料的二维磁化性能打下了基础.
電機軛部以及多相變壓器接閤部存在鏇轉磁化現象,為瞭對其進行研究,本文設計瞭單軛結構的鏇轉磁化平檯,併在MAXWELL中對測量平檯的三維瞬態磁場進行瞭模擬.結果錶明樣片中有效區的磁密分散性小于0.01T,角度分散性小于1°,此外,文中對二維鏇轉磁場的產生以及磁場測量方法進行瞭探討,併且在此基礎上研製瞭二維鏇轉磁化特性測量平檯,併編製瞭基于 MATLAB 語言的在線測量界麵.通過對單片材料50WW400進行實驗,觀察到無取嚮材料仍具有顯著的各嚮異性以及二維磁化不同于一維磁化的導磁與鐵耗特性.此平檯的研製為後續深入研究材料的二維磁化性能打下瞭基礎.
전궤액부이급다상변압기접합부존재선전자화현상,위료대기진행연구,본문설계료단액결구적선전자화평태,병재MAXWELL중대측량평태적삼유순태자장진행료모의.결과표명양편중유효구적자밀분산성소우0.01T,각도분산성소우1°,차외,문중대이유선전자장적산생이급자장측량방법진행료탐토,병차재차기출상연제료이유선전자화특성측량평태,병편제료기우 MATLAB 어언적재선측량계면.통과대단편재료50WW400진행실험,관찰도무취향재료잉구유현저적각향이성이급이유자화불동우일유자화적도자여철모특성.차평태적연제위후속심입연구재료적이유자화성능타하료기출.
Rotational magnetization phenomenon exists in motor stator yoke and joint area of transformers. In order to study this phenomenon, a single-yoke-structured measurement platform was designed for rotational magnetization and a 3-D transient magnetic flux pattern of the platform model is simulated in Maxwell software. The result shows that non-uniformity of magnetic flux density and its angle in interested area of specimen is less than 0.01 Tesla and 1 degree, respectively. In addition, realization of rotational magnetic flux pattern and its detection method is discussed in the paper. On this basis, a 2-D rotational magnetization measurement platform and its MATLAB program for silicon steel is developed. By experiment on non-orient silicon sheet 50WW400, it shows that notable anisotropy still exists, and great difference in permeability and iron loss between 2-D and 1-D magnetization. The establishment of this platform lays a basis for further study of 2-D magnetic property of materials.