EVS-HD 587 S1:2003

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• Instrument transformers; Three-phase voltage transformers for voltage levels having U<(Index)m> up to 52 kV

  Käsitlusala:

  This document specifies the requirements and tests for new three-phase voltage transformers with U<(Index)m> up to 52 kV and frequencies from 15 Hz to 100 Hz, for use with electrical instruments or electrical protective devices.

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