This standard of KS C IEC 61869 applies to newly manufactured inductive voltage transformers used in electrical measuring devices and electrical protection devices with a frequency of 15 Hz to 100 Hz.
KS C IEC 61869-3:2014 history
2019KS C IEC 61869-3-2019 Instrument transformers — Part 3: Additional requirements for inductive voltage transformers
2014KS C IEC 61869-3:2014 Instrument transformers — Part 3: Additional requirements for inductive voltage transformers