This part of IEC 61869 is applicable to inductive and electronic instrument transformers with analogue or digital output for use with electrical measuring instruments for measurement and interpretation of results for power quality parameters in 50/60 Hz a
DS/IEC/TR 61869-103:2012 history
2012DS/IEC/TR 61869-103:2012 Instrument transformers - The use of instrument transformers for power quality measurement