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AS/NZS 1660.3:1998
[Current]Test methods for electric cables, cords and conductors, Method 3: Electrical tests
This Standard sets out electrical tests for component parts and complete cables, cords and conductors.
Published: 05/01/1998
Pages: 22
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.4 TESTING TEMPERATURE
1.5 SELECTION OF SPECIMENS
2 ELECTRICAL TESTS ON CONDUCTORS—MEASUREMENT OF RESISTANCE
2.1 GENERAL
2.2 PROCEDURE
3 ELECTRICAL TESTS ON INSULATION EXTRUDED SEMI-CONDUCTIVE SCREENS AND NON-METALLIC SHEATHS
3.1 SPARK TEST
3.1.1 High voltage source
3.1.2 Test voltage
3.1.3 Design of test electrode
3.1.3.1 Contact electrode
3.1.3.2 Non-contact electrode
3.1.4 Fault indicator
3.1.5 Sensitivity
3.1.5.1 General
3.1.5.2 A.C. electrode supply
3.1.5.3 D.C. electrode supply
3.1.6 Procedure
3.1.7 Advice on the use of spark testing machines
3.2 VOLTAGE TESTS
3.2.1 Voltage test for cables rated ≤0.6/1 kV (excluding flexible cords)
3.2.1.1 High voltage a.c. test for 4 h
3.2.1.2 High voltage test for 5 min
3.2.2 Voltage test for cables rated >0.6/1 kV and ≤19/33 kV
3.2.2.1 High voltage a.c. test for 4 h
3.2.2.2 High voltage a.c. test for 5 min on completed lengths of cable
3.3 INSULATION RESISTANCE CONSTANT TESTS FOR CABLES UP TO AND INCLUDING 0.6/1 kV (EXCLUDING FLEXIBLE CORDS)
3.3.1 Measurement at ambient temperature
3.3.2 Measurement at elevated temperature
3.3.3 Calculation of insulation resistance constant
3.3.4 Calculation of volume resistivity
3.4 INSULATION RESISTANCE CONSTANT TESTS FOR CABLES ABOVE 0.6/1 kV
3.4.1 Measurement at ambient temperature
3.4.2 Measurement at elevated temperature
3.4.3 Calculation of insulation resistance constant
3.5 VOLTAGE TEST AND INSULATION RESISTANCE CONSTANT TEST FOR FLEXIBLE CORDS OTHER THAN FLAT-TWIN FLEXIBLE CORDS WITH TINSEL CONDUCTOR
3.5.1 Voltage test for completed flexible cords
3.5.2 Voltage test on cores from completed flexible cords
3.5.3 Insulation resistance at ambient temperature
3.5.4 Insulation resistance measurement at elevated temperature
3.5.5 High voltage test for 5 min
3.6 VOLTAGE TEST AND INSULATION RESISTANCE CONSTANT TEST FOR FLAT-TWIN FLEXIBLE CORDS WITH TINSEL CONDUCTORS
3.6.1 Voltage test on completed flexible cords
3.6.2 Insulation resistance at ambient temperature
3.6.3 Insulation resistance at elevated temperature
3.7 VOLTAGE TESTS FOR FLEXIBLE CORDS HAVING FLUOROPOLYMER INSULATION
3.7.1 Voltage—Test No. 1
3.7.2 High voltage—Test No. 2, after heat ageing
3.8 SURFACE LEAKAGE TEST, VOLTAGE TESTS AND INSULATION RESISTANCE TESTS FOR CABLES AND FLEXIBLE CABLES WITH FIBROUS INSULATION AND WORKING VOLTAGES UP TO AND INCLUDING 0.6/1 kV
3.8.1 Surface leakage—Test No. 1
3.8.2 High voltage—Test No. 1
3.8.3 Insulation resistance—Test No. 1
3.8.4 Surface leakage—Test No. 2
3.8.5 High voltage—Test No. 2
3.8.6 Insulation resistance—Test No. 2
3.9 PARTIAL DISCHARGE TEST
3.9.1 Principle
3.9.2 Definitions
3.9.3 Apparatus, test circuit and instruments
3.9.3.1 Apparatus
3.9.3.2 Test circuit and instruments
3.9.4 Calibration and checking
3.9.4.1 Method
3.9.4.2 Sensitivity
3.9.4.3 Particular provisions for long cable lengths
3.9.4.4 Calibrating capacitors and calibrating signals
3.9.5 Procedure
3.9.6 Retest for long cables
3.10 TAN δ MEASUREMENT AS A FUNCTION OF VOLTAGE
3.11 TAN δ MEASUREMENT AS A FUNCTION OF TEMPERATURE
3.12 IMPULSE TEST
3.12.1 Characteristics and state of the test installation and test equipment
3.12.1.1 Characteristics of the test installation to be subjected to the tests
3.12.1.2 Shape of the impulse waves
3.12.1.3 Calibration of impulse generator
3.12.2 Procedure
3.13 VOLUME RESISTIVITY OF SEMICONDUCTIVE SCREENS
3.14 CAPACITANCE INCREASE AFTER IMMERSION AT 20°C
3.15 CAPACITANCE INCREASE AFTER IMMERSION AT 50°C
APPENDIX A
Cited references in this standard
[Current]
Test methods for electric cables, cords and conductors, Method 4: Complete cable and flexible cord
[Withdrawn]
High-voltage test techniques, Part 1: General definitions and test requirements
[Withdrawn]
Direct-acting indicating electrical measuring instruments and their accessories
Content history
[Current]
[Superseded]
AS/NZS 1660.3:1998 Rec:2017
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