02/206403 DC : DRAFT MAY 2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
IEC 62231. ED.1.0 - COMPOSITE STATION POST INSULATORS FOR SUBSTATIONS WITH A.C. VOLTAGES GREATER THAN 1000 V UPTO 245 KV - DEFINITIONS, TEST METHODS AND ACCEPTANCE CRITERIA
31-05-2007
23-11-2012
FOREWORD
INTRODUCTION
SECTION ONE - GENERAL
1 Scope and object
2 Normative references
3 Definitions
4 Identification
SECTION TWO - TESTS
5 Classification of Tests
5.1 Design tests
5.2 Type tests
5.3 Sample tests
5.4 Routine tests
6 Design Tests
6.1 General
6.2 Tests on interfaces and connections of end
fittings
6.3 Assembled core load tests
6.4 Tests of shed and housing material
6.5 Tests for the core material
7 Type tests
7.1 Verification of dimensions
7.2 Electrical test
7.3 Mechanical test
8 Sample tests
8.1 General rule
8.2 Verification of dimensions (E1 + E2)
8.3 Galvanizing test (E1 + E2)
8.4 Verification of the specified mechanical loads (E1)
8.5 Re-testing procedure
9 Routine tests
9.1 Identification of the station post insulator
9.2 Visual examination
9.3 Tension load test
Annex A (Informative) Determination of the equivalent
bending moment caused by combined compression
(tension) and cantilever loads
Annex B (Informative) Example of torsion test arrangement
Annex C (Normative) Tolerances of Form and Position
Annex D (Informative) Notes on the compression/buckling
test
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.