CHINA: 2007 88.58 KWH CCW Research 2008
US: Data Source:EPA Report Findings (August 2007)
/IT 2.84
IT
PUE: Power Usage Effectiveness PUE TotalFacilityPower( ITEquipmentPower( IT = + +IT + PUE DCiE
DCiE
10
LBNL 30 72~75% 30 89~91% 11
10~35% 12 2007 Emerson Network Power
8:1 1/8 13
10% 14
75~80% 45% 15
Power Load Factor PLF =ATS + +UPS + Power Load Factor PLF =0.02+UPS 02+UPS
K=50/180=27% Η=9.37% 0.0937 Power Load Factor =0.02+UPS =0.02+0.0937=0.114
70% 75% 380V
- - - - -
1 2 3 4 5 6 7 8 9
Qt=Q1+Q2 Qt KW Q1 = 1.0 Q2 =0.12 0.18KW/m2 0 18KW/m2 0.18 0 0.12
25 4m2/ =100 m2 Qt=Q1+Q2=100kw+100 0.15=115kwQ1+Q2 100k +100 0 15 115k
P2060 24 24 50% 60.6kw 121.2kw Qt=115kw GB50174-2008 N+M M=1 2 N+1 2+1 3 P2060 2+1 3 P2060
3.3 3.5 115kw 3 P2060 icom 2 P2060 121.2kw 3.4 P =P /EER=121.2kw/3.4=35.64kw P2060 9.6kw P =9.6kw
P =P +P =35.64+9.6=45.24kw PUE =CLF=45.24/100=0.452
IT IT 20% 50% 27 2007 Emerson Network Power
65 65 100 30KW/ 28 2007 Emerson Network Power
29 2007 Emerson Network Power
PUE=1+PUE +PUE =1+PLF+CLF=1+0.114+0.452=1.566 PUE Mirosoft s experimentation
NYSE: EMR EMR Diversified global manufacturer and technology provider Approximately 141,000 Headquarters in St. employees worldwide Louis, Mo. 14.1 / 150 255 165 2008 500 111 1890 P. 2009-3-6
52 consecutive years of increased dividends... EMR is one of a handful of public companies with 50 or more years of increased dividends $3.11 2008 Earnings Per Share 2008 52 EMR 50 $1.20 2008 Dividends id d Per Share $0.01 1956 1958 1960 1962 1964 1966 1968 1970 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 200 200 4 6 1956 2008
Orders (RMB 6.0B) in FY08 2008 (RMB 6.0B) Other Users BMP&CP Cooling UPS OEMs 27% Monitoring i DC Power System All rights reserved Notes: IAC Sales excluded : IAC
.