IEC 60076-18:2012

FOREWORD
1 Scope
2 Terms and definitions
3 Purpose of frequency response
  measurements
4 Measurement method
5 Measuring equipment
6 Measurement records
Annex A (normative) - Measurement lead connections
Annex B (informative) - Frequency response and factors
        that influence the measurement
Annex C (informative) - Applications of frequency response
        measurements
Annex D (informative) - Examples of measurement configurations
Annex E (informative) - XML data format
Bibliography

IEC 60076-18:2012 covers the measurement technique and measuring equipment to be used when a frequency response measurement is required either on-site or in the factory either when the test object is new or at a later stage. This standard is applicable to power transformers, reactors, phase shifting transformers and similar equipment.