GB/T 4596-1984
Replaced
GB/T 28869.3-2023
Active
National standards
GB/T 28869.3-2023 Cores made of soft magnetic materials—Measuring methods—Part 3:Magnetic properties at high excitation level
GB/T 28869.3-2023 Cores made of soft magnetic materials—Measuring methods—Part 3:Magnetic properties at high excitation level
Basic Information
Standard Code:
GB/T 28869.3-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nMagnetic components
ICS Name:
\nMagnetic components
Publish Date:
2023-11-27
Implement Date:
2024-03-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国磁性元件与铁氧体材料标准化技术委员会(SAC/TC 89)
Pages:
34 pages
Scope
本文件规定了高励磁水平下工作的电感器、扼流圈、变压器和其他有功率要求的电子器件等用的闭路磁心的功耗和振幅磁导率的测量方法。
本文件给出的测量方法如量热法和反射法能实现磁性能的测量频率范围从直流（d.c.）到10 MHz，甚至更高。对于给定频率范围的磁特性测量，选用哪种测量方法取决于需要达到的准确度。
本文件中的测量方法基于通常的正弦波励磁情况，对其他周期性波形也适用。但是，只有在相应的频谱范围内磁通密度和磁场强度波形准确度只有轻微降低的情况下，所用的测量电路和仪器能够控制幅度和相位，才能获得足够的准确度。
Development Information
Drafting Units:
中国电子科技集团公司第九研究所
Drafting Persons:
彭清贵、李忭、高晓琴、王慧丽、甘邠
Same series standard
Replace the following standards
Referenced Standards
Adopt standards
IEC 62044-3:2000
Related Standards
GB/T 9632.1-2002
Abolished
GB/T 9632.1-2002 Measuring methods of cores for inductors and transformers for telecommunications
GB/T 18909-2002
Active
GB/T 18909-2002 Sectional specification for high-frequency inductors and intermediate frequency transformers for use in electronic equipment for capability approval
GB/T 9634.1-2002
Active
GB/T 9634.1-2002 Ferrite cores-Guide on the limits of surface irregularities—Part 1:General specification
GB/T 9634.2-2002
Replaced
GB/T 9634.2-2002 Ferrite cores—Guide on the limits of surface irregularities—Part 2:RM-cores
GB/T 9634.3-2002
Active