This month’s Featured Technical Paper is from the Proceedings of the 2024 International Conference of Doble Clients. The paper is titled: 500 MVA Phase Shifting Transformer Inspection And Repairs.
This paper presents a detailed review of the investigation and subsequent repairs undertaken by Hydro One in response to a sudden pressure trip of a 500 MVA phase shifting transformer. The paper underscores the importance of a thorough and comprehensive investigation. It also illustrates the complexities of troubleshooting a large phase shifting transformer and the importance of delineating between information pertinent to the problem and other unrelated abnormal conditions. The paper briefly touches on the importance of maintaining on-line diagnostic tools, and it describes the intrusive and atypical repairs undertaken to return the asset back to service.
This and other technical papers and presentations are available in MyDoble - one of the many benefits available to you as a Doble Service Agreement Client. To get a MyDoble login click here. Not a member? Follow the sign-up process.