DS DS/EN 50482
DS DSEN 50482 2008-FEB-25 nstrument transformers - Three-phase nductve voltage transformers havng Um up to 52 kV
Cart
(empty)
This European Standard specifies the requirements and tests for new three-phase voltage transformers with Um up to 52 kV and frequencies from 15 Hz to 100 Hz, for use with electrical instruments or electrical protective devices.
NOTE Single-phase voltage transformers connected in a three-phase bank are not covered in this document.