AS 1147.1-1989

1 - AS 1147.1-1989 ELECTRICAL EQUIPMENT FOR COAL MINES - INSULATING MATERIALS - MATERIALS FOR INSULATING POWER CONDUCTING COMPON
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE.
6 - 2 REFERENCED DOCUMENTS.
6 - 3 DEFINITIONS.
6 - 3.1 Cable coupling device
6 - 3.2 Electric strength
6 - 3.3 Electric strength of a test specimen
6 - 3.4 Comparative tracking index (CTI)
6 - 3.5 Proof test
6 - 4 COMPLIANCE WITH THIS STANDARD.
6 - 5 PRECONDITIONING.
6 - 6 THERMAL DEFORMATION.
6 - 7 WATER ABSORPTION.
6 - 8 ELECTRIC STRENGTH (PROOF VALUE).
6 - 9 SURFACE RESISTIVITY.
6 - 10 COMPARATIVE TRACKING INDEX (CTI).
6 - 11 FLAME RESISTANCE.
6 - 11.1 Needle flame test.
6 - 11.2 Glow wire test.
7 - APPENDIX A - METHOD FOR THE DETERMINATION OF THERMAL DEFORMATION OF INSULANT MATERIALS
7 - A1 SCOPE.
7 - A2 PRINCIPLE.
7 - A3 TEST SPECIMEN.
7 - A3.1 Form.
7 - A3.2 Number.
7 - A4 PROCEDURE.
7 - A5 REPORT.
8 - APPENDIX B - METHOD FOR THE DETERMINATION OF WATER ABSORPTION
8 - B1 SCOPE.
8 - B2 PRINCIPLE.
8 - B3 TEST SPECIMEN.
8 - B3.1 Form.
8 - B3.2 Number.
8 - B4 PROCEDURE.
8 - B5 CALCULATION.
8 - B6 REPORT.
9 - APPENDIX C - METHOD FOR THE DETERMINATION OF ELECTRIC STRENGTH
9 - C1 SCOPE.
9 - C2 PRINCIPLE.
9 - C3 TEST SPECIMEN.
9 - C3.1 Form.
9 - C3.2 Number.
9 - C4 ELECTRODES.
9 - C5 TEST VOLTAGE.
9 - C6 TRANSFORMER.
9 - C7 PROCEDURE.
10 - C8 REPORT.
10 - C9 NOTE ON PROOF TESTING (MINUTE VALUE).
11 - APPENDIX D - METHOD FOR DETERMINATION OF SURFACE RESISTIVITY
11 - D1 SCOPE.
11 - D2 PRINCIPLE.
11 - D3 TEST SPECIMEN.
11 - D3.1 Form.
11 - D3.2 Number.
11 - D4 ELECTRODES.
11 - D5 PROCEDURE.
11 - D6 REPORT.

Specifies requirements for insulating materials which are used for the support and insulating of live parts of cable coupling devices, but excluding cables, intended for use in coal mines. Mechanical, electrical and thermal properties are specified.

This Standard applies to insulating materials which are used for the support and insulation of live parts of cable coupling devices, but excluding cables, intended for use in coal mines.The tests specified herein are intended as type tests and are made on prepared specimens as described in the appendices.