ITU Workshop on
“Greening the Future: Bridging the Standardization
Gap on Environmental Sustainability”
(Colombo, Sri Lanka, 3-4 October 2013)
Green ICT infrastructure, Green &
Sustainable Future
Shuguang Qi,
Associate Rapporteur of Q17/SG5,
[email protected]
Colombo, Sri Lanka, 3-4 October 2013
Carbon Foot Print Influence
Colombo, Sri Lanka, 3-4 October 2013
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Energy Consumption in ICT
Energy consumption(One example)
Telecommunication Room
Data Center
Other, 1%
Other,3%
Power,
9%
Power,8%
Cooling,46%
IT, 50%
Cooling,
40%
Colombo, Sri Lanka, 3-4 October 2013
IT,43%
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Content
Green
Infrastructur
e in Data
Center
Colombo, Sri Lanka, 3-4 October 2013
Green
Infrastructur
e in
Telecommun
ications
4
Green Infrastructure in Data Center
Colombo, Sri Lanka, 3-4 October 2013
5
Green Infrastructure in Data center
Modular Data Center-Building Type
Cooling for every
modules
Flexibility
High-density
High-integrity
Colombo, Sri Lanka, 3-4 October 2013
6
Green Infrastructure in Data center
Modular Data Center-Container Type
Integrates IT
infrastructures in a
cargo container
High-density
Overcoming the
limitation of the place
Flexible extension
Colombo, Sri Lanka, 3-4 October 2013
7
Green Infrastructure in Data center
Power- Traditional AC UPS
Output voltageAC
UPS Loadlower than 50%
System Efficiency90%~92%
Maintenance
DifficultyHard
Colombo, Sri Lanka, 3-4 October 2013
8
Green Infrastructure in Data center
Power- Modular AC UPS
Output voltageAC
Modular UPS LoadAbout 70%~80%
System Efficiency93%~95%
Maintenance
DifficultyEasy
Colombo, Sri Lanka, 3-4 October 2013
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Green Infrastructure in Data center
Power- HVDC
Output voltage range-
AC UPS
AC/DC
Load
Battery
DC/AC
HVDC
HVDC Load-
AC/DC
DC/DC
Battery
DC, voltage range in
ITU-T L.1200:
Target solution 260V-400V;
Transitional solution
192V-288V.
Load
About 70%~80%
System Efficiency93%~95%
Maintenance DifficultyEasy
Colombo, Sri Lanka, 3-4 October 2013
10
Green Infrastructure in Data center
Cooling-Cold Aisle cooling method
Colombo, Sri Lanka, 3-4 October 2013
11
Green Infrastructure in Data center
Cooling-Hot Aisle cooling method
Colombo, Sri Lanka, 3-4 October 2013
12
Green Infrastructure in Data center
Cooling-Horizontal Direction cooling
Colombo, Sri Lanka, 3-4 October 2013
13
Green Infrastructure in
Telecommunication
Colombo, Sri Lanka, 3-4 October 2013
14
Green Infrastructure in
Telecommunication
Power-High efficiency Rectifiers &
Sleeping Mode
Choose High
Efficiency Rectifiers
(1)Normal module
Efficiency91%~92%
(2)High efficiency
module efficiency96%~97%
Colombo, Sri Lanka, 3-4 October 2013
Adjusting the load
to the appropriate
value
96.00%
94.00%
92.00%
90.00%
88.00%
86.00%
84.00%
82.00%
80.00%
78.00%
15
Green Infrastructure in
Telecommunication
Power-Green energy
Colombo, Sri Lanka, 3-4 October 2013
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Green Infrastructure in
Telecommunication
Hydrogen Fuel Cell system
Clean
Quiet
Output voltageAC/DC
Power Mode-Main
Power mode/ Stand
by power mode
Colombo, Sri Lanka, 3-4 October 2013
17
Green Infrastructure in
Telecommunication
Battery-High Temperature Battery
Colombo, Sri Lanka, 3-4 October 2013
18
Green Infrastructure in
Telecommunication
Battery- Minimizing energy
consumption-Lithium battery
Colombo, Sri Lanka, 3-4 October 2013
19
Green Infrastructure in
Telecommunication
Cooling-Traditional Air Conditioning
system
Capacity-About 7.5kW
COP(average value)3.0~3.4
Colombo, Sri Lanka, 3-4 October 2013
20
Green Infrastructure in
Telecommunication
Cooling-Outdoor cooling
Capacity
About 5kW-6kW
Working Condition
⊿T ≈10 ℃
COP(average value)
≥18
Colombo, Sri Lanka, 3-4 October 2013
21
Green Infrastructure in
Telecommunication
Cooling-Heat Exchanging & Heat
Pipe air conditioner
Capacity
About 4kW-5kW
Working Condition
⊿T ≈10 ℃
COP(average value)
8~12
Colombo, Sri Lanka, 3-4 October 2013
22
Green Infrastructure in
Telecommunication
Other Cooling methods
Inverter Air Conditioner
Membrane Humidifier Air Conditioner
Glycol Air Conditioner
Refrigerant Pumping-Compressing Dual Cycles
Air Conditioner
Phase Change Material Air Conditioner
Colombo, Sri Lanka, 3-4 October 2013
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Green Infrastructure for ICT
Colombo, Sri Lanka, 3-4 October 2013
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