電工鋼片磁性的計量問題

JohannesSievert[1] 劉亞丕[2]（翻譯）
[1]德國聯邦物理技術研究院,德國布倫瑞克 [2]中國計量學院摘　要:綜述了電工鋼片計量的當前水平和最新進展，重點討論了在交變場中的標準測試方法：Epstein方圈法和單片（SST）法．所討論的相關條款是有關磁通密度控制、數據獲取和數據計算的最新電子方法，以及磁路設計對這兩種方法的準確性和精度特性的影響，也討論了系統誤差來源、再現特性和經濟因素等．[著者文摘]

On the metrology of magnetic properties of the electrical sheet steelJohannes Sievert Physikalisch-Technische Bundesanstalt, Braunschweig, GermanyAbstract:A survey was given of the latest development and the state of the art of electrical sheet steel metrology. It was focused on the standard measurement methods in alternating magnetic fields, the Epstein- and the Single Sheet-Tester （SST） Methods. The relevant items to be considered in this context are up-to-date electronic methods for the flux density control, data acquisition and data evaluation, and the influence of the magnetic circuit design on the accuracy and precision characteristics of the two methods. This included the consideration of the systematic error sources, reproducibility characteristics and economic aspects.[著者文摘]

Key words:electrical sheet steel; magnetic properties; metrology