1 - AS 3609-1989 INSULATORS-PORCELAIN STAY TYPE-VOLTAGES GREATER THAN 1000 V a.c.
4 - PREFACE
5 - CONTENTS
6 - SECTION 1. SCOPE AND GENERAL
6 - 1.1 SCOPE.
6 - 1.2 REFERENCED DOCUMENTS.
6 - 1.3 DEFINITIONS.
6 - 1.3.1 Stay insulator
6 - 1.3.2 Power-frequency wet flashover voltage
6 - 1.3.3 Flashover
6 - 1.3.4 Mechanical failing load
6 - 1.3.5 Lot
6 - 1.4 CLASSIFICATION OF TESTS.
6 - 1.5 MARKING.
7 - SECTION 2. GENERAL REQUIREMENTS FOR TESTS
7 - 2.1 VERIFICATION OF DIMENSIONS AND VISUAL INSPECTION.
7 - 2.2 POWER-FREQUENCY WET FLASHOVER TEST.
7 - 2.2.1 Method of assembly.
7 - 2.2.2 Method of support.
7 - 2.2.3 Water spray.
7 - 2.2.4 Test voltage.
7 - 2.3 MECHANICAL STRENGTH TEST.
7 - 2.3.1 Method of assembly.
7 - 2.3.2 Test force.
7 - 2.4 POROSITY TEST.
8 - SECTION 3. TESTS-TYPE, SAMPLE, AND ROUTINE
8 - 3.1 TYPE TESTS.
8 - 3.2 SAMPLE TESTS.
8 - 3.2.1 General.
8 - 3.2.2 Verification of dimensions.
8 - 3.2.3 Mechanical strength test.
8 - 3.2.4 Porosity test.
8 - 3.2.5 Retest procedure.
8 - 3.3 ROUTINE TEST.
9 - SECTION 4. STANDARD CHARACTERISTICS
9 - 4.1 DIMENSIONS.
9 - 4.2 POWER-FREQUENCY WET FLASHOVER VOLTAGES.
9 - 4.3 MECHANICAL STRENGTH.
12 - APPENDIX A - GUIDE TO MECHANICAL STRENGTH RATINGS OF INSULATOR AND STAY WIRE COMBINATIONS
13 - APPENDIX B - ITEMS TO BE SPECIFIED BY THE PURCHASER OR SUBJECT TO AGREEMENT BETWEEN THE PURCHASER AND MANUFACTURER
13 - B1 GENERAL.
13 - B2 ITEMS TO BE SPECIFIED BY THE PURCHASER.
13 - B3 ITEMS SUBJECT TO AGREEMENT BETWEEN PURCHASER AND MANUFACTURER.