Original: They are a polycurrent version (1500 V DC and 25 kV 50 Hz AC) of the BB 7200 and BB 15000 classesThe designation "22000" is in fact the sum of 7200 and 15000, with which it shares the exterior appearance.
Simplified: The BB 22200 is a class of electric locomotives in service with the French railways SNCF, built by Alsthom between 1976-1986.