In UPS topologies, there are main differences between single conversion and double
conversion design. What are the advantages of double conversion design over single
conversion design? (Select three.)

A.
higher power efficiency, reducing energy costs

B.
high quality output regardless of the condition of the input power

C.
ability to use power from a generator that is still stabilizing

D.
less complex design

E.
reduction of the period of time when IT operations are dependent on battery operation