AS 3822(INT)-1998

1 - AS 3822(INT)-1998 TEST METHODS FOR BARE OVERHEAD CONDUCTORS
4 - PREFACE
6 - CONTENTS
7 - 1 SCOPE
7 - 2 REFERENCED DOCUMENTS
7 - 3 DEFINITIONS
7 - 3.1 Aeolian vibration
7 - 3.2 Batch
7 - 3.3 Breaking load
7 - 3.4 Calculated breaking load (CBL)
8 - 3.5 Coefficient of thermal elongation
8 - 3.6 Composite conductor
8 - 3.7 Conductor stress
8 - 3.8 Creep
8 - 3.9 Dynamic stress
8 - 3.10 Elongation
8 - 3.11 Fatigue
8 - 3.12 Fatigue life
8 - 3.13 Fatigue limit
8 - 3.14 Fatigue strength at N cycles
8 - 3.15 Gauge length
8 - 3.16 Initial creep
8 - 3.17 Lay length
8 - 3.18 Lay ratio
8 - 3.19 May
8 - 3.20 Modulus of elasticity
8 - 3.21 Proof load
8 - 3.22 Secondary creep
8 - 3.23 Shall
8 - 3.24 Should
9 - 3.25 S-N Diagram
9 - 3.26 Strain
9 - 3.27 Stress
9 - 3.28 Test piece
9 - 3.29 Test sample
9 - 4 PREPARATION OF A SAMPLE FOR TENSILE LOADING OF A WHOLE CONDUCTOR
9 - 5 MEASUREMENT
9 - 5.1 Temperature measurement
10 - 5.2 Strain measurement
10 - 5.2.1 General
10 - 5.2.2 Creep test
10 - 5.2.3 Stress/strain and coefficient of thermal elongation tests
10 - 5.2.4 Conductor elongation during the breaking load test
10 - 5.3 Load measurement
10 - 6 TEST METHODS
10 - 6.1 Geometric properties
10 - 6.1.1 General
10 - 6.1.2 Test pieces
10 - 6.1.3 Apparatus
10 - 6.1.4 Conductor layer diameter
10 - 6.1.5 Lay length and lay ratio
11 - 6.1.6 Nominal cross-sectional area
11 - 6.2 Breaking load
11 - 6.2.1 Principle
11 - 6.2.2 Apparatus
11 - 6.2.3 Procedure
12 - 6.2.4 Test validity
12 - 6.3 Coefficient of thermal elongation
12 - 6.3.1 Scope and general
12 - 6.3.2 Principle
12 - 6.3.3 Apparatus
12 - 6.3.4 Procedure
12 - 6.3.5 Analysis of data
12 - 6.4 Stress/strain
12 - 6.4.1 Scope and general
13 - 6.4.2 Principle
13 - 6.4.3 Apparatus
13 - 6.4.4 Procedures
14 - 6.4.5 Analysis of data
14 - 6.5 Creep
14 - 6.5.1 Scope and general
14 - 6.5.2 Principle
14 - 6.5.3 Apparatus
15 - 6.5.4 Procedure
15 - 6.5.5 Analysis of data
15 - 6.5.6 Test validity
15 - 6.6 d.c. resistance
16 - 6.7 Fatigue
16 - 6.7.1 General
16 - 6.7.2 Principle
16 - 6.7.3 Apparatus
16 - 6.7.4 Procedure
17 - 6.8 Thermal ageing
17 - 6.8.1 General
18 - 6.8.2 Apparatus
18 - 6.8.3 Test piece
18 - 6.8.4 Procedure
18 - 6.8.5 Analysis of data
18 - 7 TEST RESULTS
18 - 7.1 Geometric properties
18 - 7.2 Breaking load
18 - 7.3 Coefficient of thermal elongation
19 - 7.4 Stress/strain
20 - 7.5 Creep
22 - 7.6 Fatigue
22 - 7.7 Thermal ageing

Specifies test methods for determining the characteristics of bare overhead conductors to enable users to compare conductor types and predict the performance of conductors in service. It covers test methods for determining creep characteristics, stress-strain characteristics, breaking load, thermal aging characteristics, d.c. resistance, self-damping characteristics and geometric properties.

This Interim Standard specifies methods for determining the following properties and characteristics of bare conductors for use in overhead lines:(a) Geometric properties.(b) Breaking load.(c) Coefficient of thermal elongation.(d) Stress-strain characteristics.(e) Creep characteristics (permanent elongation).(f) d.c. resistance of conductors.(g) Fatigue characteristics.(h) Thermal aging characteristics.

First published as AS 3822(Int)-1998.