TESTS ON INDOOR AND OUTDOOR POST INSULATORS OF CERAMIC MATERIAL OR GLASS FOR SYSTEMS WITH NOMINAL VOLTAGES GREATER THAN 1000 V
International Electrotechnical Committee
FOREWORD
INTRODUCTION
SECTION 1: GENERAL
Clause
1.1 Scope and object
1.2 Normative references
1.3 Definitions
SECTION 2: INSULATORS
2.1 Insulator designs and insulating materials
2.2 Values which characterize a post insulator
2.3 Identification of insulators
SECTION 3: CLASSIFICATION OF THE TESTS,
SAMPLING RULES AND PROCEDURES
3.1 Classification of the tests
3.2 Quality assurance
3.3 General requirements for type tests
3.4 General requirements for sample tests
SECTION 4: TEST PROCEDURES FOR ELECTRICAL TESTS
4.1 General requirements for high-voltage tests
4.2 Standard atmospheric conditions and correction
factors for electrical tests
4.3 Artificial rain parameters for wet tests
4.4 Mounting arrangements for electrical tests
4.5 Dry lightning-impulse withstand voltage test -
Type test
4.6 Dry or wet switching-impulse withstand voltage
tests - Type test
4.7 Dry power-frequency withstand voltage test - Type
test (applicable only to post insulators for
indoor use)
4.8 Wet power-frequency withstand voltage test - Type
test (applicable only to post insulators for
outdoor use)
4.9 Puncture test - Sample test
4.10 Routine electrical test
SECTION 5: TEST PROCEDURES FOR MECHANICAL AND OTHER TESTS
5.1 Verification of the dimensions - Type and sample test
5.2 Mechanical failing load test - Type and sample test
5.3 Test for deflection under load - Special type test
5.4 Temperature cycle test - Sample test
5.5 Routine thermal shock test (applicable only to
toughened glass insulating parts)
5.6 Porosity test - Sample test (applicable only to
ceramic post insulators)
5.7 Galvanizing test - Sample test
5.8 Routine visual inspection
5.9 Routine mechanical test
SECTION 6: TESTS APPLICABLE TO POST INSULATORS
6.1 Type tests
6.2 Sample tests
6.3 Routine tests
6.4 Summary of tests on post insulators
Annex A (informative) Methods of testing for tolerances
of parallelism, eccentricity, angular deviation,
camber, and shed angle of post insulators
Annex B (informative) Methods of routine testing of
unassembled insulator units
Annex C (informative) Bibliography
Applies to post insulators and post insulator units of ceramic material or glass, for indoor and outdoor use in electrical installations or equipment, operating on alternating current with a nominal voltage greater than 1000 V and a frequency not greater than 100 Hz.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | SC 36C |
