Applies to newly manufactured electronic voltage transformers with analogue output, for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. The standard covers optical arrangements with electronic components. Three-phase voltage transformers are not included, but some of the requirements apply.
PUBLISHED
IEC 60044-7:1999 ED1
60.60
Standard published
Dec 17, 1999
PUBLISHED
IEC 61869-11:2017 ED1