Bushings are critical components for power apparatus as their main role is to conduct current at high voltage through a grounded barrier. Statistical studies have shown that bushing defects such as water ingression and partial discharge are among the most important causes for unexpected failures. Dielectric frequency response (DFR), sometimes also known as frequency domain spectroscopy (FDS), which involves measurement of the bushing capacitance and dielectric losses over a frequency range, is an effective method to detect deterioration of bushing insulation. This guide applies to the DFR measurement of various types of bushings either in the field or in the factory except for gas-insulated bushings.
- Sponsor Committee
- PE/TR - Transformers
Learn More About PE/TR - Transformers - Status
- Active Standard
- PAR Approval
- 2018-09-27
- Board Approval
- 2022-09-21
- History
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- Published:
- 2023-01-27
Working Group Details
- Society
- IEEE Power and Energy Society
Learn More About IEEE Power and Energy Society - Sponsor Committee
- PE/TR - Transformers
Learn More About PE/TR - Transformers - Working Group
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Dielectric-WGC57.12.200 - Dielectric Tests - Frequency Domain Spectroscopy
- IEEE Program Manager
- Patrycja Jarosz
Contact Patrycja Jarosz - Working Group Chair
- Jun Deng
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