Novel Reduced Parts Online Uninterruptible Power Supply

Table 1

System parameters.

Parameters	Rating
Power	1.2 kw
Input voltage (line-line)	420 v
Input filter	𝐿=20 uh, 𝐶=200 uf
Power factor	0.94
Output voltage (line-line)	300 v
Output filter	𝐿=15 uh, 𝐶=10 uf
THD	3.2%
Efficiency	89%
Load	𝐿=10 mh, 𝑅=40 Ω
DC-Link voltage	650–700 v