DETERMINATION OF MAGNETIC LOSS UNDER MAGNETIC POLARIZATION WAVEFORMS INCLUDING HIGHER HARMONIC COMPONENTS - MEASUREMENT, MODELLING AND CALCULATION METHODS
International Electrotechnical Committee
FOREWORD<br>INTRODUCTION<br>1 Scope<br>2 Normative references<br>3 Principles of measurement<br> 3.1 General <br> 3.2 Yokes, windings and test specimen<br> 3.3 Power amplifier <br> 3.4 Waveform synthesizer <br> 3.5 Digitiser<br> 3.6 Control of secondary voltage<br> 3.7 Peak reading apparatus <br> 3.8 Air flux compensation <br>4 Measuring system <br>5 Measurements<br> 5.1 Generation of the magnetic polarization waveform <br> including higher harmonics <br> 5.2 Determination of peak value of magnetic polarization <br> 5.3 Determination of the magnetic polarization<br> 5.4 Determination of magnetic field strength<br> 5.5 Determination of the magnetic loss<br> 5.6 Plotting the a.c. hysteresis loop including the higher <br> harmonics<br>6 Example of measurement <br> 6.1 Magnetic loss measurement of non-oriented electrical <br> steel sheets <br> 6.2 Magnetic loss measurement under stator tooth waveform <br> conditions<br>7 Prediction of magnetic loss including higher harmonic <br> polarization <br> 7.1 General <br> 7.2 Energy loss separation [14]<br> 7.3 Neural network method [17]<br> 7.4 Modified superposition formula [20]<br>8 Summary<br>Bibliography
Describes for measurement of the magnetic loss of soft magnetic materials under the condition of magnetic polarization which includes higher harmonic components.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 68 |
