what is the advantage and disadvantage of air foil bearing turbo blower and magnetic bearing turbo blower?

what is the advantage and disadvantage of air foil bearing turbo blower and magnetic bearing turbo blower?




1. air foil bearing turbo blower is easy to control without electric control system when magnetic bearing turbo blower is based on electric control system.
2.  air foil bearing turbo blower can not frequently start and stop when magnetic bearing turbo blower can frequently start and stop.
3. air foil bearing turbo blower is good at low power when magnetic bearing turbo blower can be high power.