Xtreme Power Conversion Corporation
E90 Service Manual
Page 6
Uninterruptible Power Supply
AC/DC & DC/DC principle circuit diagram
AC/DC & DC/DC principle
As shown above, A (yellow box) shows the rectifier circuit, B (blue box) shows the battery input circuit, C (other
part) shows the boost circuit. A and C form the PFC rectifier circuit while B and C form the battery boost circuit