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Data Center Science Center, Schneider Electric
March 16, 2020
Calculating Trade-offs in Data
Center Design
Topics 1 TradeOff Tools overview
2 Tips for viewing TradeOff Tools
3 One slide overview of each tool
4 Summary
5 Demo
Schneider Electric TradeOff Tools™
● Simple, automated tools to support specific planning decisions
● Models complex interactions of systems based on data and science
● One-screen, standardized user interface
● Instant output allows for rapid creation of “what if” scenarios
● Optimized for use on PCs and tablets (can also be used on smart phones)
Free tools at https://tools.apc.com OR
https://www.se.com/ww/en/work/solutions/for-business/data-centers-and-networks/trade-off-tools/
Capacity Budget Growth plan Criticality Efficiency Density
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Where do the tools come in?
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At the beginning of the planningprocess
White Paper
What would I need to do to hit a specific efficiency (PUE) target
?
Should I build a data center or outsource to a colo
What is the capital cost of different alternatives
?
?
Should I implement Li-ion or VRLA batteries ?
Should I build out now or in phases
?
What density should I plan for ?
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Difficult questions can affect or delay critical planning
decisions
Tips for viewing TradeOff Tools™
1. For PCs & Macs, preferred browser is Google Chrome (Mozilla Firefox is also supported)
2. For tablets & smart phones, preferred browser is Google Chrome (Safari is also supported)
3. Configure your browser’s pop-up blocker to allow pop-ups from apc.com, apcmedia.com, and schneider-electric.com
4. When using Google Chrome on a PC or Mac, it’s possible to view the tools in your local language by opening the English version and right clicking and selecting “Translate to ..” option
5. To save your results as a PDF using Google Chrome, select the print icon at the top of the tool, change Local Destination to “Save as PDF”, change Layout to “Landscape”, click on “Save” button, select file destination and fill in file name and click “Save” (Note for tools with multiple screens, you’ll have to repeat)
6. To reset a tool to defaults, reload the page by right clicking and choosing the reload choice or icon (or press Ctrl+R)
Data Center Power Sizing Calculator
● Define basic characteristics of a data
center’s IT load
● Server quantity & mix
● Mainframes
● Storage
● PUE
● Estimate data center IT load capacity
● Calculate how much utility power is required
to support IT load
● Demonstrate allocation on total power
requirement
Determine impact of server and storage configurations on IT load capacity and required utility input power
https://www.apc.com/tool/?tt=1
Server Carbon & Energy Allocation Calculator
● Assign carbon and energy costs to IT
users, based on data center attributes:
● PUE
● IT load
● Location
● See annual energy and carbon allocations
on a per-server basis, driven by:● Servers
● Storage
● Networking
● Physical infrastructure
● Illustrate15 year allocations
View impact of efficiency, load characteristics, and location on carbon and energy allocation for IT users
https://www.apc.com/tool/?tt=2
Data Center AC vs. DC Efficiency Calculator
● Compare energy efficiency of four different
power distribution architectures
● Legacy 208 V AC
● Best practice 208 V AC
● 415 V AC
● 380 V DC
● Demonstrate how 415 V AC and 380 V DC
have virtually same efficiency
View ipact of data center efficiency of various AC and DC power distribution architectures
https://www.apc.com/tool/?tt=3
Data Center Capital Cost Calculator
● Quickly set data center budget expectations
(+/- 20%)
● Cost breakdown by subsystem
● Cost breakdown by type of cost (material,
labor, installation)
● Decide priority among competing design
parameters● Capacity
● Budget
● Growth plan
● Criticality
● Efficiency
● Costs derived from actual configurations,
quotes from 3rd party suppliers & partners
Determine impact of physical infrastructure design choices on capital cost
https://www.apc.com/tool/?tt=4
Three Phase UPS Efficiency Comparison Calculator
● Compare 2 three phase UPS systems
● Efficiency
● Electricity cost
● Carbon footprint
● Assess UPSs from list of APC UPSs
(measured data) or define own UPS
● Demonstrate how scaling UPSs to match
load impacts efficiency curve
● See efficiency, electricity cost, and carbon
as function of IT load
Gauge the impact of 3-phase UPS on energy costs and carbon footprint
https://www.apc.com/tool/?tt=5
Data Center Efficiency & PUE Calculator
● Estimate annualized data center
efficiency of new or existing data center● Power usage effectiveness (PUE)
● Power consumption by subsystem
● Energy cost breakdown
● See the efficiency curve of the data
center
● Determine efficiency impact of key
design decisions● Redundancy
● Cooling / power architecture
● Percent load
Determine impact of alternative power and cooling approaches on energy cost
https://www.apc.com/tool/?tt=6
Data Center Carbon Footprint Calculator
● Illustrate how data center changes impact
carbon emissions
● Location
● Efficiency (PUE)
● Load (kW)
● Determine savings in electricity as PUE
improves
● Estimate equivalent number of cars
removed from road
● Demonstrate 15-year cost and carbon
savings
Determine impact of changes in data center efficiency on energy costs and carbon footprint
https://www.apc.com/tool/?tt=7
Data Center Capacity & Growth Planning Calculator
● Show how uncertainty of IT growth plan
impacts costs
● Demonstrate how scaled buildout reduces
data center TCO. Key factors include:● IT load profile
● Step size
● Redundancy
● Power & cooling architecture
● Compare PUE over data center life
● Compare runrate and cashflow analysis
Determine impact of power and cooling technology and growth plan strategies on design parameters
https://www.apc.com/tool/?tt=8
Data Center Virtualization Saving Calculator
● Illustrate energy savings resulting from
server virtualization
● Compare pre- and post-virtualization● % energy savings
● Annual electric bill
● Efficiency (PUE)
● Space required
● Demonstrate where energy savings comes
from● Entire data center
● Physical infrastructure
● Total IT
● Servers
Determine impact of server virtualization and data center design choices on energy and space savings
https://www.apc.com/tool/?tt=9
Data Center InRowTM Cooling Containment Selector
● Generate optimal containment
configuration
● Uncontained
● Hot aisle containment
● Rack air containment
● Rack air containment with front
containment
● Identify dimensions and layouts that limit
configuration possibilities
Determine impact of preferences and constraints on the recommended containment approach
https://www.apc.com/tool/?tt=10
Cooling Economizer Mode PUE Calculator
● Determine optimal cooling economizer
approach based on:
● Climate (ASHRAE bin data)
● Data center load
● IT operating environment (temperature &
humidity)
● Compare common cooling architectures● PUE
● Energy cost
● Carbon
● Full & partial economizer hours
Determine impact of geography and cooling characteristics on PUE, energy cost, and carbon emissions
https://www.apc.com/tool/?tt=11
InRowTM
Ancillary IT Equipment Cooling Calculator
● Ancillary IT = IT equipment not arranged in
rows, such as:
● Tape libraries
● Storage equipment
● Networking gear
● Power distribution equipment
● Determine if additional cooling is required
or if the existing InRow cooling is
sufficient, based on:● IT parameters
● Cooling parameters
● Room characteristics
Determine impact of IT, cooling, & room characteristics on ability for row-based cooling to support ancillary IT loads
https://www.apc.com/tool/?tt=12
Data Center Build vs. Colocation Calculator
● Impact of data center attributes and
pricing model on TCO
● Compare financials:
● TCO
● Break-even (years)
● Cash flow by year
● Key assumptions:● % un-scalable infrastructure
● Maintenance , staffing
● Colo setup/install
● Remote hands for colo
https://www.apc.com/tool/?tt=13
Determine impact of data center attributes and pricing model on TCO, cash cross-over point, and cash flow
Single Phase UPS Efficiency Comparison Calculator
● Compare 2 single phase UPS systems
● Efficiency
● Electricity cost
● Carbon footprint
● Assess UPSs from list of APC UPSs
(measured data) or define own UPS
● See efficiency, electricity cost, and carbon
as function of IT load
Determine impact of single phase UPS efficiencies on energy costs and carbon footprint
https://www.apc.com/tool/?tt=14
Data Center Cooling Architecture Calculator
● Determine optimal cooling architecture based
on:
● Data center capacity and power density
● The containment and floor type
● Financial factors analyzed
● Recommended cooling architectures include:
● Heat removal method
● Economizer mode
● Indoor unit location
● Air distribution
https://www.apc.com/tool/?tt=15
Provide the user with the optimal cooling architecture based on key data center attributes, preferences, and constraints
Flywheel vs. VRLA Battery Carbon Footprint Calculator
● Compare carbon footprint over entire
lifecycle
● In most countries, batteries are
“greener”
● Key drivers
● Location (energy source)
● Battery service life
https://www.apc.com/tool/?tt=16
View carbon impact of flywheels vs. VRLA batteries for energy storage of static UPSs
● Compare financials:● Equipment cost
● Design installation cost
● Space cost
● Key drivers:● Cooling architecture
● Rack density
● Placement of prefab modules
● Build vs. lease
https://www.apc.com/tool/?tt=17
Prefabricated vs. Traditional Cost CalculatorDetermine impact of design attributes on cost of prefabricated vs. traditional data centers
● Compare financials:● Capital cost summary
● Comparison at subsystem level to
highlight where cost differences occur
● Key drivers:● Data center load mix of traditional & OCP
● Traditional server power supply oversizing
and cost per watt
https://www.apc.com/tool/?tt=18
Traditional vs. OCP Capital Cost CalculatorView capital cost comparison and key drivers between traditional and Open Compute power architectures
● Compare financials:● Cumulative cost summary and chart
illustrating cross-over point
● Breakdown of TCO costs
● Key drivers:● Replacement period for each energy
storage type
● Runtime
https://www.apc.com/tool/?tt=19
Lithium-ion vs. VRLA UPS Battery TCO CalculatorView TCO impact of lithium-ion vs. VRLA batteries for energy storage of static UPS
https://www.apc.com/tool/?tt=20
Rack Power Architecture Efficiency CalculatorCompare conventional ITE-level PSU architectures with centralized rack-level PSU architectures
● Compare performance of conventional PSU
architecture with12V & 48V rack-level PSU
architectures:● Efficiency
● Losses
● Energy cost
● Key drivers:● PSU oversizing
● PSU redundancy
● Component efficiencies
● Examine how data center design can affect
temperature when power and cooling is lost
● Examine how to mitigate temperature rise
when power and cooling is lost
● Examine when best to switch back to primary
power after power loss
● Model a range of data center architectures,
cooling, and power characteristics
● Provide industry standard alerts and
recommendationshttps://www.apc.com/tool/?tt=21
Data Center Temperature Rise CalculatorUnderstand how temperatures rise when power and cooling is lost
● Results based on:● Input voltage
● Input break size
● Density per rack
● Calculated results include:● Maximum pod capacity
● Rack count
● Branch breaker recommendation
● Number of breakers & positions needed
● Footprint required
https://www.apc.com/tool/?tt=23
Data Center IT Pod Sizing Calculator Understand the electrical and physical attributes of an IT pod
http://www.apc.com/tool/?tt=25
Three-Phase UPS Modernization Opex Calculator Estimate the opex savings of replacing an aging 3-phase UPS with a new UPS
● Compare opex of aging vs. new 3-PH UPS
systems
● Electricity cost
● Maintenance contract cost
● Battery replacement cost
● Spare parts replacement cost
● Assess cumulative costs and NPV over
10-year life
● Demonstrate implications of operating an
aging, less efficient UPS
● See opex cost drivers
What are TradeOff Tools? TradeOff Tools are simple, interactive tools, based
on data and science, that make it easy to vary
parameters, experiment with “what if” scenarios and
make tradeoffs during data center planning
When should they be used? Used early in the planning process, TradeOff Tools
help avoid planning roadblocks by making informed
and accurate decisions
How do they help in planning a data center?
TradeOff Tools help show quantifiable, tangible
benefits of implementing certain technologies and
justify project decisions
TradeOff Tools Summary
Data Center Science Center• Email at: [email protected]
• Contact us with questions or comments with TradeOff Tools or related White Papers
• https://tools.apc.com
• https://whitepapers.apc.com
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