Alstom Metropolis 7000 series ride - OPTONIX MG 1500 IGBT-VVVF sound

Ride on the newly introduced, brand new Barcelona metro 7000 series train, from the Metropolis family of Alstom There isn't much information about the train yet, will update description once it is available Assembly: 2022- Track gauge: 1435mm Overhead supply: 1200V CC Traction system: Alstom OPTONIX MG 1500* IGBT–VVVF (just a guess) Traction motors: Alstom 4-ECA-2120 3-phase AC induction motor (just a guess too, could be wrong) clips taken during the second day of revenue service 0:00 arrival 0:30 ride 11:31 departure #igbt #vvvf #vvvfインバータ #alstom #metropolis #tmb #barcelona #metro #subway #optonix #trainride #fcmb #r211 #sydneystock