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0:00 Table of Contents0:06 500 Series (Toshiba 2-Level GTO)5:06 500 Series (Toshiba 3-Level IGBT)8:16 Top Speed (300 km/h!)When it comes to the Toshiba 2-Level GTO, it has an asynchronous sound of 365 Hz. I like it because I can hear it for a long time on the Shinkansen. The 3-Level IGBT had a rare 9-pulse switching. This switching reduces the number of switching times, so the heat generated by the switching element can be suppressed. I was surprised because this switching is not seen even in the same Toshiba 3-Level IGBT model. Also, the monitor speedometer was the same as the last time, the 500 series style. This time, I was finally able to use it on the model that it should be. By the way, I made a new homemade VVVF inverter this time. I hope to be able to explain this in detail somewhere. ── Credits ── Speedometer material: BVE Workshop Vehicle icon: Eki Tabi Yukemuri Laboratory Monitor design: taroimo / music469410 Coil recording audio provided by: Ebara Kyuko / vvvf_tokyu2000 ── Other links ── Underfloor electronic music web: https://yukaden.com/ Coil recording of 500 series (2-level GTO) (Ebara Kyuko): • [Inductor-Recorded Traction Motor Sou... Previous (E3 series) → • Recreated the E3 series with a homemade VVVF inverter Playlist → • Homemade VVVF inverter reproduction list