Page 163 - Uninterruptible Power Supplies
P. 163
Static Uninterruptible Power Supplies
AC OUT BATTERY CHARGER
L N + –
AC FILTER +
+
+
IGBT IGBT
A B
+ + –385 VAC
+385 VAC
POS BOOST NEG BOOST
STEP UP TRANSFORMER
A B
AC FILTER MOSFET
+
AC IN
BATTERY 48 V Figure 5.18
L N
+
161
Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)
Copyright © 2004 The McGraw-Hill Companies. All rights reserved.
Any use is subject to the Terms of Use as given at the website.
