FOREWORD
1 Scope and object
2 Normative references
3 Definitions
4 Symbols
5 Environmental conditions
6 General precautions for methods involving permeability
measurements
6.1 Parameters involved
6.2 Mounting of cores consisting of more than one part
7 General precautions for loss measurement at low flux density
7.1 Contributory losses
7.2 Mounting
8 Magnetic conditioning
9 Inductance measurement
9.1 General
9.2 Determination of the test signal
9.3 Determination of the test coil
9.4 Considerations for core alignment during test
9.5 Measurement of inductance under the influence of
d.c. magnetic field
9.6 Parameters related to core geometry
9.7 Magnetic material parameters
10 Disaccommodation
11 Temperature coefficient of permeability
11.1 Specimens
11.2 Measuring procedure
12 Losses at low flux density
12.1 Object
12.2 Measuring coil
12.3 Measurement of residual and eddy current loss
12.4 Measurement of the hysteresis loss
13 Total harmonic distortion
13.1 Specimen
13.2 Measuring instrument and circuit
13.3 Measuring procedure
13.4 AL value and winding conditions for THDF measurement
13.5 Material characteristics - THDF
14 Curie temperature
15 Normalized impedance, parallel conductivity, and insertion
loss
15.1 General
15.2 Measuring procedure
15.3 Normalized impedance
15.4 Parallel conductivity
Annex A (informative) Disaccommodation
Annex B (informative) Measurement conditions for THD testing
Figures
Tables