BS IEC 61467:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Insulators for overhead lines with a nominal voltage above 1000 V. AC power arc tests on insulator sets
Hardcopy , PDF
03-31-2009
English
05-15-1999
FOREWORD
1 Scope and object
2 Normative references
3 Definitions
4 Symbols and abbreviations
5 Test arrangement
6 Test current
7 Supply and return circuit conditions
8 Arc initiation
9 Ambient conditions
10 Test series and characteristics of the power arcs
11 Test report
12 Evaluation of results
12.1 Visual examination
12.2 Porcelain or glass insulators
12.3 Composite insulators
12.4 Acceptance criteria
TABLES
1 Supply and return conditions
2 Test series
3 Test assessment criteria
FIGURES
1 Illustration of supply and return currents
2 Arc initiation
ANNEXES
A Test arrangements and practical methods of tower simulation
(return circuit)
B Determination of the r.m.s. value of the current
C No-load voltage of the power source
D Power arcs on insulator sets and their true simulation by appropriate
positioning of fusible wires
E Wind velocity during power arc tests
F Variation of the fault current magnitude and reasons for the choice
of the prescribed test parameters
G Recommendations for the test report
H Sample of a power arc test report
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