Power transformers -- Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors

Available format(s)

Hardcopy , PDF

Language(s)

Spanish, Castilian, English

Published date

13-10-2005

Publisher

Asociacion Espanola de Normalizacion

1 Scope
2 Normative references
3 General
4 Specified waveshapes
5 Test circuit
6 Calibration
7 Lightning impulse tests
   7.1 Waveshapes
   7.2 Impulses chopped on the tail
   7.3 Terminal connections and applicable methods of
        failure detection
   7.4 Test procedures
   7.5 Recording of tests
8 Switching impulse tests
   8.1 Special requirements
   8.2 Transformers
   8.3 Reactors
9 Interpretation of oscillograms or digital recordings
   9.1 Lightning impulse
   9.2 Switching impulse
1O Digital processing, including transfer function analysis
11 Impulse test reports
Annex A (informative) Principles of waveshape control
Annex B (informative) Typical oscillograms and digital
        recordings
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Figures
Table B.1

Provides guidance and explanatory comments on the existing procedures for lightning and switching impulse testing of power transformers to supplement the requirements of IEC 60076-3.

Committee	CTN 207/SC 14
DevelopmentNote	Supersedes UNE 20177. (10/2005)
DocumentType	Standard
Pages	68
PublisherName	Asociacion Espanola de Normalizacion
Status	Current
Supersedes	UNE 20177:1985

Standards	Relationship
IEC 60076-4:1976	Identical
NF EN 60076-4 : 2002	Identical
NBN EN 60076-4 : 2003	Identical
I.S. EN 60076-4:2002	Identical
DIN EN 60076-4 : 2003	Identical
EN 60076-4:2002	Identical
IEC 60076-4:2002	Identical
BS EN 60076-4:2002	Identical