Page 184 - Uninterruptible Power Supplies
P. 184
Rotary UPS Systems
182 Chapter Six
–64. Oms –44. Oms –24. Oms –4. Oms 16. Oms 36. Oms 56. Oms
Voltage
Current
+1%
Frequency
–1%
Figure 6.14 The effect of rupturing a 400A motor start fuse on a 2 800 kVA parallel sys-
tem feeding an 800-kVA load.
Figure 6.15 Typical machine room for a large computer system.
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.