EN IEC 61869-11:2018

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
5 Ratings
6 Design and construction
7 Tests
601 Information to be given with enquiries, tenders and orders
Annex 11A (normative) - Tests for impact of electric field
          from other phases
Annex 11B (informative) - Designation of accuracy class
          when using corrected transformation ratio and ratio
          correction factor
Annex 11C (informative) - Types of divider principles covered
          by this part of IEC 61869
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their corresponding
         European publications

IEC 61869-11:2017 is a product standard and covers only additional requirements for low-power passive voltage transformers (passive LPVT). The product standard for low-power passive voltage transformers is composed of IEC 61869-1, along with IEC 61869-6 and this document with specific requirements.This document is applicable to newly manufactured low-power passive voltage transformers with analogue output having rated frequencies from 15 Hz to 100 Hz for use with electrical measuring instruments or electrical protective devices.This document covers low-power passive voltage transformers used for measurement or protection and low-power passive voltage transformers used for both measurement and protection.Low-power passive voltage transformers have analogue output only (for digital output or for technology using any kind of active electronic components refer to future IEC 61869-7). Such low-power passive voltage transformers can include the secondary signal cable (transmitting cable). The secondary voltage of the low-power passive voltage transformer is proportional to the primary voltage. Derivative output signals are not within the scope of this document.This first edition of IEC 61869-11, together with IEC 61869-1 and IEC 61869-6, cancels and replaces the relevant clauses or subclauses of the first edition of IEC 60044-7, published in 1999 and the first edition of IEC 60044-8, published in 2002. This edition constitutes a technical revision.