Here are the most-read 'Car Doctor' questions and answers of 2025

Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.
IEEE

Combined Active and Reactive Power Flow Control Strategy for Flexible Railway Traction Substation Integrated With ESS and PV

Abstract: This paper proposes a combined active and reactive power flow control strategy for the flexible traction substation (FTSS). It fully uses the active and reactive power flexibility of FTSS to ...
IEEE

Research on Remaining Lifetime Evaluation for Traction System IGBT Devices of Electric Locomotives With Different Service Mileage

Abstract: In electric locomotive system, the function of traction converter depends heavily on insulated gate bipolar transistor (IGBT) module, and IGBT module is prone to failure. Traditionally, ...