Transcription of Megger Oil Testing Datasheet - Instrumart
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The Megger guide to insulating oil dielectric breakdown Testing The word Megger ' is a registered trademark Contents 1. 3. 2. What are the methods for Testing oil?.. 3. 3. What is oil dielectric breakdown voltage Testing ?.. 4. 4. Who needs to perform dielectric breakdown voltage tests?.. 4. 5. Which types of insulating oil can be tested?.. 4. 6. Why, when and how often is oil Testing performed?.. 6. 7. What are the test standards and their differences?.. 6. ASTM standards (USA).. 8. IEC standards (international).. 9. 8. How should an oil sample be taken?.. 10. 9. Preparing the test 12. 10. Why measure oil sample temperature?.. 13. 11. How do I know whether my test results are valid?.. 14. 12. How do I know if my fluid has passed the test?
Utility companies (principally in power stations) Rail companies (locomotive HV step-down transformers and switchgear) Oil test laboratories (providing testing services) Transformer and switchgear manufacturers (quality control of oil) Oil companies (testing new oil during manufacture) 5. Which types of insulating oil can be tested?
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