READ FIRST: Old clips taken in 2016. The (pre-refurbishment) Kawasaki/URC C301 & Bombardier T1 are two trains sharing a very similar propulsion sound. The C301s are built btn 1992-94, while T1s are built 1995-2001.
The original Westinghouse GTO-VVVF inverters of Taipei Metro's C301 fleet have since been entirely replaced by Bombardier's MITRAC IGBT-VVVF inverters in 2017. The T1s uses Adtranz AC traction. 北捷C301的GTO自2017年已全數更新為龐巴迪MITRAC IGBT-VVVF.