ข้อมูลผลงานวิจัย

This thesis presents a methodology for assessing the reliability of traction power supply systems for mass rapid transit in a case study of the MRT Purple Line. The RAM model, which stands for reliability, availability, and maintenance, is used to create a three-step model to evaluate reliability. For the purpose of predicting a rise in the failure rate over time, reliability is assessed using the failure rate index in relation to the EN:50126 standard. A comparison of the LOLE index and the BAL-502-RF-03 standard is used in the availability assessment to determine the availability of traction substations that are able to supply electrical power. By determining the optimal preventive maintenance intervals in relation to the required maintenance budget, preventive maintenance has the potential to lengthen the service life of an asset. The results present a methodology for evaluating RAM that is suitable for use in project planning and the development of improvements for the future. The methodology includes scenarios that illustrate how to make the system more reliable and available.