IEC 61869-2 : 1.0
IEC 61869-2 : 1.0
INSTRUMENT TRANSFORMERS - PART 2: ADDITIONAL REQUIREMENTS FOR CURRENT TRANSFORMERS
International Electrotechnical Committee
INSTRUMENT TRANSFORMERS - PART 2: ADDITIONAL REQUIREMENTS FOR CURRENT TRANSFORMERS
International Electrotechnical Committee
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
5 Ratings
6 Design and construction
7 Tests
Annex 2A (normative) - Protective current
transformers classes P, PR
Annex 2B (normative) - Protective current
transformer classes for transient
performance
Annex 2C (normative) - Proof of low-leakage
reactance type
Annex 2D (informative) - Technique used in
temperature rise test of oil-immersed
transformers to determine the thermal
constant by an experimental estimation
Annex 2E (informative) - Alternative measurement
of the ratio error [varepsilon]
Annex 2F (normative) - Determination of the turns
ratio error
Pertains to newly manufactured inductive current transformers for use with electrical measuring instruments and/or electrical protective devices having rated frequencies from 15 Hz to 100 Hz.
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Committee | TC 38 |