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IEC 60660:1999
Current
The latest, up-to-date edition.
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Insulators - Tests on indoor post insulators of organic material for systems with nominal voltages greater than 1 000 V up to but not including 300 kV
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French, Spanish, Castilian
29-10-1999
Foreword
1 General
1.1 Scope and Object
1.2 Normative References
1.3 Definitions
1.4 Values which characterise a post insulator of
organic material
1.5 Documentation
1.6 Normal Service Conditions
2 General Requirements for Tests
2.1 Classification of Tests
2.2 Quality Assurance
2.3 General Requirements for Electrical Tests
2.4 Lightning Impulse Voltage Tests
2.5 Power-Frequency Voltage Tests
2.6 Standard Reference Atmospheric Conditions for
Tests
2.7 Correction Factors for Atmospheric Conditions
3 Type Tests
3.1 General
3.2 General Requirements for Electrical Type Tests
3.3 Dry Lightning Impulse Withstand Voltage Test
3.4 Dry Power-Frequency Withstand Voltage Test
3.5 Partial Discharge Extinction Voltage Test
3.6 Lightning Impulse Puncture Test
3.7 Mechanical Failing Load Test
3.8 Test for Deflection Under Load at Normal Ambient
Temperature Conditions
3.9 Test for Mechanical bending strength as a
function of temperature
3.10 Water Absorption Test
3.11 Ageing and Humidity Test
3.12 Flammability Test
3.13 Temperature Cycle Test
4 Sample Tests
4.1 General
4.2 Verification of Dimensions
4.3 Re-Test Procedure
5 Routine Tests
5.1 General
5.2 Visual Examination
5.3 Mechanical Routine Test
5.4 Electrical Routine Test and Partial Discharge
Measurement
Annex A (informative) Tolerances of Form and Position
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