I.S. EN 60044-3:2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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 - PART 3: COMBINED TRANSFORMERS
Hardcopy , PDF
24-06-2014
English
01-01-2003
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 Scope and object
2 Definitions
3 Normal and special service conditions
4 Ratings
4.1 General
4.2 Limits of temperature rise
5 Design requirements
5.1 General
5.2 Transmitted overvoltages
6 Tests
6.1 Classification of tests
6.2 Type tests
6.3 Routine tests
6.4 Special tests
7 Type tests
7.1 General
7.2 Temperature-rise test
7.3 Impulse tests on primary windings
8 Routine tests
8.1 General
8.2 Power-frequency withstand test on the primary
windling
9 Special tests
9.1 General
9.2 Measurement of capacitance and dielectric
dissipation factor
9.3 Transmitted overvoltage measurement
10 Marking
10.1 Rating plate marking
10.2 Terminal marking
11 Additional requirements for measuring and protective
combined transformer
11.1 General
11.2 Mutual influence
11.3 Type test for accuracy of measuring and protective
combined transformer
11.4 Routine accuracy tests for measuring and protective
combined transformers
Annex A (informative) The mutual influence of current and
voltage transformers
Applies to newly manufactured combined transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz.
| DevelopmentNote |
Supersedes HD 548.3 (03/2003)
|
| DocumentType |
Standard
|
| Pages |
54
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| SN EN 60044-3 : 2003 | Identical |
| EN 60044-3:2003 | Identical |
| DIN EN 60044-3 : 2003 | Identical |
| UNE-EN 60044-3:2004 | Identical |
| BS EN 60044-3:2003 | Identical |
| NBN EN 60044-3 : 2003 | Identical |
| IEC 60044-3:2002 | Identical |
| NF EN 60044-3 : 2003 | Identical |
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