NBN EN 62044-3 : 2002

1 Scope
2 Normative references
3 Terms, definitions and symbols
  3.1 Definitions
  3.2 Symbols
4 General precautions for measurements at high
  excitation level
  4.1 General statements
  4.2 Measuring coil
  4.3 Mounting of cores consisting of more than one
      part
  4.4 Measuring equipment
5 Specimens
6 Measuring procedures
  6.1 General procedure
  6.2 Measuring method for the (effective) amplitude
      permeability
  6.3 Measuring methods for the power loss
7 Information to be stated
8 Test report
Annex A (informative) Basic circuits and related
         equipment for the measurement of amplitude
         permeability
Annex B (informative) Root-mean-square method for the
         measurement of power loss - Example of a circuit
         and related procedure
Annex C (informative) Multiplying methods for the
         measurement of power loss - Basic circuits and
         related measurement procedures
Annex D (informative) Reflection method for the
         measurement of power loss - Basic circuits and
         related measurement procedures
Annex E (informative) Calorimetric measurement methods
         for the measurement of power loss
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Provides measuring methods for power loss and amplitude permeability of magnetic cores forming the closed magnetic circuits intended for use at high excitation levels in inductors, chokes, transformers and similar devices for power electronics applications.