[Inductor Recorded] ÜSTRA TW3000 [Vossloh Kiepe IGBT-VVVF]

[DE] Die Aufnahme zeigt das elektromagnetische Spektrum eines ÜSTRA TW3000 in Hannover mit IGBT-Wechselrichter von Vossloh Kiepe. [ENG] The recording shows the electromagnetic spectrum of an ÜSTRA TW3000 in Hanover with IGBT inverter from Vossloh Kiepe. Spectrogram: Sonic Visualizer Oscilloscope: corrscope Inductor: Eagle A171 Recorder: Zoom H1essential Thumbnail - left picture: Falk2, CC BY-SA 4.0, via Wikimedia Commons #inverter #vvvf #moharadio #sound #pwm #ÜSTRA #kiepe #vossloh # alstom #tram #hannover #hanover Timestamps: 00:00 Acceleration 1 00:37 Braking 1 01:07 Acceleration 2 01:36 Braking 2 02:07 Acceleration 3 02:35 Braking 3