利索-全球专利检索

  1. 登录
  2. 注册
发明公开
CN108957368A 一种测量硅钢材料直流偏磁状态下磁特性的系统和方法 无效 - 驳回

一种测量硅钢材料直流偏磁状态下磁特性的系统和方法
摘要：
本发明提供一种测量硅钢材料直流偏磁状态下磁特性的系统和方法，本发明所述的系统在由交流供电单元和单片磁导计构成的标准硅钢材料测量系统的基础上增加由直流电源、电感和电容组成的直流供电单元，将直流供电单元与标准的硅钢材料测量系统串联，为直流偏磁试验系统提供偏置电流，其中，直流供电单元用电容提供交流通路，使直流电源不受交流电流影响，减小了直流电源产生的直流信号波动，采用磁通计在二次绕组上测量直流磁通，所述方法实现了高磁场强度下硅钢片材料的直流偏磁特性测量，并有效地实现了交流磁场和直流磁场分离，获得了直流偏磁状态下硅钢片试样中通过的直流磁感应强度分量。
摘要（英）：

The invention provides a system and method for measuring magnetic properties of a silicon steel material under a DC magnetic bias state. The system provided by the invention is additionally provided with a DC power supply unit formed by a DC power supply, an inductor and a capacitor on the basis of a standard silicon steel material measurement system composed of an AC power supply unit and a monolithic permeameter, wherein the DC power supply unit is connected with the standard silicon steel material measurement system in series so as to provide bias current for a DC magnetic bias test system,the DC power supply unit provides an AC path by using the capacitor, thus the DC power supply is not affected by the alternating current, the DC signal fluctuation generated by the DC power supply isreduced, and the DC flux is measured on a secondary winding by adopting a fluxmeter. The method achieves measurement for the DC magnetic bias properties of the silicon steel sheet material under highmagnetic field intensity, effectively realizes the separation of an AC magnetic field and a DC magnetic field and obtains a DC magnetic induction intensity component passing through a silicon steel sheet sample under the DC magnetic bias state.

0/0