In an alternative twist of history. Germany was not defeated in WW2. The world has changed. See description for more info, and backstory.
The German powerplant is an electric generator powered my steam engines that are housed in the two bunkers either side of the magnet. The powerplant can also be pushed to higher RPM to generate more power. This however generates heat so the magnetic drive must be elevated to allow ventilation to cool it down. It also damages the powerplant over time.