next generation datacenter
TRANSCRIPT
Environmentally-sustainable Green DC
ProfitableDC
Most-advancedDC
●Most-advanced DCThe DC uses state-of-the-art technologies to adapt to the varyingneeds of project owners, tenants, and society, thus retaining its most-advanced state throughout the service life. 1) Develop a most-advanced and next-generation DC
in compliance with required standards. 2) Ensure flexibility to accommodate higher load demand,
changes of tenant needs, etc. 3) Provide high reliability considering environmental conside-
rations with complete safety and security.
The DC responds to IT technologies evolving at an accelerating rateand flexibly deals with various users’ needs, thereby ensuring high profit-ability to client. 1) Reduction of initial cost supported by reliable technolo-
gies and simulations. 2) Reduce running cost through high-level simulation technolo-
gies (6Sigma). 3) Ensure BC (Business Continuity) by enhancing safety and
security against earthquakes (seismic isolation, dampingof longitudinal waves), security, abnormal weather, andothers.
The DC supports higher load density, introduces the most advanced energy-saving technologies, and controls the center in the operational phase, in order to function as green DC. 1) Achieve PUE ≦ 1.5 through the introduction of the latest
technologies including Shimizu Aisle Separate System (patent pending).
2) Establish a green DC by adopting cutting-edge technolo-gies such as free cooling, outdoor air cooling, large tempe-rature gap-using air conditioning, and direct current powersupply system.
●Profitable DC
●Environmentally-sustainable Green DC
Construction
Business
Environment
EnergyConservation
High DensityTechnology
Support for high load density
Energy conservation
Environmental sustainability
Safety
Concept of Shimizu’s Data CenterShimizu proposes a cutting-edge, profitable to client and environmentally-sustainable data center with optimum life cycle in swift response to changing needs.
Optimum air-conditioning system to support higher load density・Shimizu Aisle Separate Air-Conditioning System
(patent pending)・Optimum climate control by means of high-level
simulation(6Sigma) analysis・Flexibility to allow upgrading and staged installa-
tions
Visualization of environmental considera-tions ・Ecological network・Solar power generation system・Green wall system (Parabienta)・Dry Mist・External area planning (paving material, biotope)・Birds, insects, and rodents control
ProfitabilityLCV (Life Cycle Valuation) and response tousers’ needs・Standard compliance (Tier/FISC)・Optimum LCC (Life Cycle Cost)…Reduce initial cost…Reduce running cost・Reliability and security・Initial investment and staged installations・High rentable ratio
Reliability and safetyEstablishment of facilities capable of uninter-ruptible operationResponse to tenants’ needs and measures forBCP (Business Continuity Planning)
・Tier code and standard compliance…Redundancy of power source and air-conditioning systems・Earthquake-resistance system…Seismic isolation structure and longitudinal wave damping
members・Reliable security system・Protection from abnormal weather…Unpredicted and concentrated local downpours and
lightning strikes・Electromagnetic wave protection
Short lead time and high qualityShimizu is the leader in DC construction
・Total coordination among building, M&E, andelectrical works through the use of comprehensive drawings・Ensuring quality and shorter-term delivery by
employing integrated building and M&E worksystem.・Total system from planning, design, and construction
to maintenance and management
Latest technologies to achieve 1.5 or lower PUE・Optimum air-conditioning system
…Planning phase: optimize the system through simulation study…Operation phase: track the system through monitoring…Response to modifications and replacements・Free cooling system・Outdoor air cooling system・Reduce conveyance power by using large tempera-
ture difference・Adopt high-efficiency equipment.・Efficient operation control according to operational
conditions・Employ direct current power supply system
AC power supply
Emergencypower generator
Emergencypower generator
DC power supply
Utility power sourceCurrent
converterAC DC
AC DC
AC
1
1
2 3UPS
batteryAbout 20% decrease in electricity
consumption by reducing the AC/DC conversion loss
IT equipment (servers, routers, etc.)
AC output
DC output
AC DC DC CPU
DC
DC power source unit
CPU
Power consumptions of server rack(IT Equipment Power)
Power consumptions of the whole data center(Total Facility Power)
・PUE : Index to represent the energy efficiency of a data center
*PUE=
62%
6%
9%
3%
Energy saved in heat sources
Conveyance energy saving
Energy saved in servers①Reduction in IT electricity
Large temperature gap-using air-conditioning system Outdoor air cooling system Free cooling system
20%
Proposal for Environmentally-Sustainable“Green Data Center”
The latest energy conservation technologies are used to control the system in the operational phase to increase efficiency, thereby achieving the minimum PUE (Power Usage Effectiveness)
The system forms cold and hot aislesto increase the air temperature diffe-rence ⊿t to 12℃(18 → 30℃) from the standard 6℃ (18 → 24℃), considerably reducing power.
The direct current power supply system is adopted to simplify theDC-AC conversion process, genera-ting less energy loss from conversion.
Substantial increase in partial loadingefficiency by the use of inverter turbochillerEnhanced efficiency of heat sourceequipment by increasing the cold water temperature to about 15℃.
Air conditioners are controlled to operate optimally, according to the operational states tracked byservers.
After the summer season, the cool- ing system directly uses outdoor air, reducing heat source power.
The system feeds the upstream coil of an air conditioner with cold water pro-duced by a cooling tower (free cooling), the temperature is set at 23℃ or lower to enable long-hour free cooling.
General electricity (lighting, plumbing,outlets) Power consumptions of server racks
Air-conditioningconveyance power
Heat source power
Minimize PUE
ReductionHigh-efficiency serversUse servers at a high operational rate.High-efficiency servers
High-efficiency heat sourcesHarness natural energy.High-efficiency operation according tooperational situations
Air conditioning with the use of large temperature gapVariable air volumes and variable flow rates
②Reduction in air-conditioning electricity
Air 18℃ Air 24℃
Air conditioner
Cold waterheader insystem A
Cold waterheader insystem B
Cooling tower
Cooling tower
Chilled water 7°C
Chilled water up to 22°C
Chilled water up to 23°C
Chilled water up to 23°CChilled water 7°C
Heat exchanger Cooling tower
Frequency of electric current conversion: three times for AC supply; once for DC supply. Cut the AC-DC conversion energy loss.
Direct current power supply system High-efficiency heat source equipment Optimum operation control according to operational situations
Excerpt from the website of Mitsubishi Heavy Industries, Ltd.
Characteristics of inverter-driven electric turbo chiller><High COP during partially-loaded operation (Load ratio 35%; cold water 7℃; Max. COP 22; constant speed unit 11)Capable of operation down to the lower limit of cooling water 12℃ (Expanding operation period)Large power consumption reduction resulting from inverter control (reducing environmental burdens)・
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Conceptual diagram of optimum air conditioning by monitoring
Reflect server information to air-conditioning control
Monitored information of server racks and vicinity
Electric current value at each rack
Temperature sensor
Wireless sensor Data collectionfrom companies’ rack environment monitoring systems.
Air conditioner
Optimum operation controlaccording to operational situations (control of air volume and the number of units)
Track information on the operational states of racks (temperatures, electric currents, etc.)
Operation rate of servers
Consumed power of servers (electric current)
Exhaust air volume of servers
Correlation
Consumed electricity
Exhaust air volume
Operational rate of server
Operational rate of server
Reflect to the control of air conditioners
30℃
排気ファンユニット熱拡散防止
30℃ 30℃
30℃
18℃18℃18℃
Heat dissipation barrier wall
Air exhaust fan unit
Large temperature difference cooling water coil
30℃
排気ファンユニット熱拡散防止
30℃ 30℃
30℃
18℃18℃18℃
Heat dissipation barrier wall
Air exhaust fan unit
Large temperature difference cooling water coil
気化式加湿器OA
EA 24℃
0℃
21℃
18℃ 18℃ 18℃
24℃ 24℃
MD
18℃18℃18℃
24℃ 24℃24℃
0℃
EA
OAVaporizing humidifier
21℃
MD MD
Realizing Optimum Environmental Performance Using SimulationsThe optimum server room air-conditioning environment is created based on verified results from simulation software for air-conditioning thermal analysis in server rooms
OFF ON ON ON ONOFF ON ON ON ONOFF ON ON ON ON
OFF ON
DOWN
ON ON
)
1.5kW/㎡(about 4.3 kW per rack)
3.0kW/㎡(about 9.7 kW per rack)
30,000㎥/hΔT=14℃
(16℃→30℃)
50,000㎥/hΔT=8℃
(16℃→24℃)
Formation of cold aisle Floor panel layout Air-conditioner layout
Number of running air-conditioning units OA floor height Ceiling configuration and the
ceiling to upper floor space
Exhaust heat dissipationprotection (barrier walls and capping)
Air-conditioning performancereanalysis (air volumes andlarge temperature gap)
Prevent excess cooling
Impacts of air- conditioner failure
Impacts of increased rack load
Local air-conditioning
Air volume – large
Excess cooling
Local air conditioner
Heat pool
Verify the environment created with reduced air volume by means of large temperature gap.
Examine the air conditioner response to electricity load increase in server and affected environment.
Identify the locations of generated heat pools and propose local air conditioning and other measures as needed.
Confirm by simulation the states and impacts in the failure of air conditioner.
Study effects of various measures.
Examine the environmental performance by unit numbers.
Verify the proper free access floor height.
Assess the environmental performance by ceiling
shape differences.
Air volume – small
Example
)Example
Air conditioner Air volume
Electricity load in server room
Electricity load in server room
Verification of normal operational status
Verification of controlstatus under normal operation
Testing for shift to maintenance mode
Functional operation testing
Failure simulation testing
Instantaneous shut downand power failuretesting
Power stoppage and recovery testing (utility power failure)
Power stoppage and recovery testing (power generator failure)
Multiple-failure testing
Actual loading testing
Construction Technology and Quality AssuranceThe integrated design and construction system promises to deliver a high quality and reliable data center in a short period.
Data center’s performance verification scenarios
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Execution review drawings are prepared in the design phase and consolidated in 3D CAD, which enables the parallel progress of design development and construction coordination.
The advantages of the total design and construction system are used to achieve a short-period delivery of high-quality facilities.
Swift handling for strict building confirmation processSufficient consistency to avoid the need for changes in building structure after work commencementStructural building plan conforming to construction work methods such as uniti-zation of building equipment in order to secure shorter delivery and high qualityElimination of rework by elaborate 3D detailing and maintenance performanceverification
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Verify the reliability of critical facilities in the data center by performance verification testing.
Verify the proper operation of installations and their basic functional performances (weighing, measuring, etc.).
Verify the activation and deactivation flows and general control, troubles, alarms, etc.
Verify the change to the maintenance mode during equipment maintenance and expansion work, along with conveyance routes.
Operation with controlled number of units, rotation operation,backup operation, coordinated operation, etc.
Verify the control logic shift, skips, etc., in the event of failure in particular equipment.
Verify the functioning of equipment in instantaneous stoppageand power outage events.
Verify the power stoppage and restoration process of theentire facility by backup power generators.
Verify the power stoppage and restoration process of the entire facility by means of UPS.
Verify as needed where more than one accident occurs concurrently.
Verify with actual loads according to each piece of equip-ment rather than by simulated loading.
Support for Establishment of Data Centers
Polarization of Data Centers in the Cloud Age
Construction types
Planning concept
Targeted PUE
General features
Capacity of DC
Services offered
Appeal of DC
Primarily, new construction in regional areas.
State-of-the-art technologiestooking a decade ahead.
less than 1.5
The Cloud is used, location isnot necessarily limited tometropolitan areas.
Mega data center Compact data center
Large scale.Integrated at a single site.
Energy-saving, high-density, and highly reliable environments are offered to large-size users.
Integrated cloud-suited servers Enhanced CPU operation rate Maximized energy conservation. (Green IT)
Primarily, new construction, renovation, and extension of existing data centers. (in urban and regional areas)Provision of both the estab-lishment of green and highload support and the effectiveuse of existing facilities.
less than 1.8
Good transportation access-ibility and quick startup aredesired.Small- to mid-sized.Dispersed locally.
DC-specific services areprovided such as housingand hosting.
Timely response to local endusers’ needs.Excellent transportation access.
DC operators
DC operators (as tenants)
Owners of landand buildingsfor DC use.
Support and servicesoffered by Shimizu.
Shimizu provides a wide range of support and services for business owners to construct a data center suited to their business.
Data centers in demand with the impending Green Cloud will likely polarize into two types, both to which Shimizu will provide viable solutions.
DC operatorsEx. Telecommunication
carriers, ISPs, electric companies, manufacturers, system integrators, other independent firms.
Support case – 1
Construction and renova-tion of DC
Brokerage of property for DC use (considering infrastructure, natural disasters, etc.)DC facilities planningTechnological assistanceExisting facilities renovation planning
Mediation for real estate rental and tenant businessAssistance for business planning studyDC facilities planningTechnological assistance
Support case – 2
Mediation for tenant businessEffective use of idle property
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・Land owners,real estatecompanies,warehousing companies.
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Shimizu’s cumulative DC construction works (across Japan) Shimizu’s DC construction sites (Tokyo area)
Data Center Project Record
Total area: A: below 5,000 m2 B : 5,001~10,000 m2 C: 10,001~20,000 m2 D: over 20,000 m2
Shimizu is proud of its track record for data center construction.
Completionyear
Location Totalarea
Design andconstruction Completion
yearLocation Total
areaDesign andconstruction
1
2
3
4
5
6
7
8
9
10
2009
~2004 2005 2006 2007 2008 2009→
70
60
50
40
30
20
10
0
2008
2008
2007
2007
2007
2006
2005
2005
2005
2005
2005
2005
2004
2004
2004
2003
2003
2003
2003
Gunma Pref.
Bunkyo Ward, Tokyo
Chiba Pref.
Kanagawa Pref.
Kanagawa Pref.
Koto Ward, Tokyo
Koto Ward, Tokyo
Koto Ward, Tokyo
Koto Ward, Tokyo
Mie Pref.
Minato Ward, Tokyo
Chuo Ward, Tokyo
Chuo Ward, Tokyo
Aichi Pref.
Arakawa Ward, Tokyo
Chiyoda Ward, Tokyo
Miyazaki Pref.
Saitama Pref.
Kanagawa Pref.
Fukuoka Pref.
B
B
B
A
B
A
C
C
D
D
D
B
A
C
C
C
C
A
A
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A
11
12
13
14
15
16
17
18
19
20
(nos.)
http://www.shimz.co.jp/
● Head Office ●Shimizu CorporationSEAVANS SOUTH1-2-3, Shibaura, Minato-ku, Tokyo, 105-8007, JapanEnvironment & Technical Solution Div.IDC Project TeamTel. : (03) 5441-0444
Building HeadquartersMarketing & Sales Promotion Div.Planning Promotion Dept.Tel. : (03) 5441-0170
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