1. IEC 60404–2, Magnetic Materials—Part 2: Methods of Measurement of the Magnetic Properties of Electrical Steel Strip and Sheet by Means of an Epstein Frame, 3.1th ed. (IEC, 2008).
2. BS EN 10280:2001 + A1:2007, Magnetic Materials—Methods of Measurement of the Magnetic Properties of Electrical Sheet and Strip by Means of a Single Sheet Tester (BSI, 2001).
3. A simple representation of dynamic hysteresis losses in power transformers