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I.S. EN 60044-2:1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

INSTRUMENT TRANSFORMERS - INDUCTIVE VOLTAGE TRANSFORMERS

Available format(s)

Hardcopy , PDF

Superseded date

03-11-2011

Superseded by

I.S. EN 61869-3:2011

Language(s)

English

Published date

01-01-1999

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

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Foreword
1 General
   1.1 Scope
   1.2 Normative references
2 Definitions
   2.1 General definitions
   2.2 Additional definitions for single-phase
        inductive protective voltage transformers
3 General requirements
4 Normal and special service conditions
   4.1 Normal service conditions
   4.2 Special service conditions
   4.3 System earthing
5 Ratings
   5.1 Standard values of rated voltages
   5.2 Standard values of rated output
   5.3 Standard values of rated voltage factor
   5.4 Limits of temperature rise
6 Design requirements
   6.1 Insulation requirements
   6.2 Short-circuit withstand capability
   6.3 Mechanical requirements
7 Classification of tests
   7.1 Type tests
   7.2 Routine tests
   7.3 Special tests
8 Type tests
   8.1 Temperature-rise test
   8.2 Short-circuit withstand capability test
   8.3 Impulse test on primary winding
   8.4 Wet test for outdoor type transformers
   8.5 Radio interference voltage measurement
9 Routine tests
   9.1 Verification of terminal markings
   9.2 Power-frequency withstand tests on primary
        windings and partial discharge measurement
   9.3 Power-frequency withstand tests between sections
        and on secondary windings
10 Special tests
   10.1 Chopped impulse test on primary winding
   10.2 Measurement of capacitance and dielectric
        dissipation factor
   10.3 Mechanical tests
   10.4 Transmitted overvoltage measurement
11 Markings
   11.1 Rating plate markings
   11.2 Terminal markings
12 Accuracy requirements for single-phase inductive
   measuring voltage transformers
   12.1 Accuracy class designation for measuring voltage
        transformers
   12.2 Limits of voltage error and phase displacement
        for measuring voltage transformers
   12.3 Type tests for accuracy of measuring voltage
        transformers
   12.4 Routine tests for accuracy of measuring voltage
        transformers
   12.5 Marking of the rating plate of a measuring voltage
        transformer
13 Additional requirements for single-phase inductive
   protective voltage transformers
   13.1 Accuracy class designation for protective voltage
        transformers
   13.2 Limits of voltage error and phase displacement
        for protective voltage transformers
   13.3 Rated voltages for secondary windings intended to
        produce a residual voltage
   13.4 Output for secondary windings intended to produce
        a residual voltage
   13.5 Accuracy class for secondary windings intended to
        produce a residual voltage
   13.6 Type tests for protective voltage transformers
   13.7 Routine tests for protective voltage transformers
   13.8 Marking of the rating plate of a protective
        voltage transformer
Annex ZA (normative) - Normative references to international
                       publications with their corresponding
                       European publications
Figures
Tables

Applies to new inductive voltage transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 to 100 Hz.

DocumentType
Standard
Pages
126
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

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