reinventing building power emerson network power lvdc global footprint bachmann (germany) 380vdc...
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Reinventing Building Power
A Non-profit Alliance Creating Standards for use of Hybrid AC/DC Microgrid Power in Buildings
EMerge Alliance. All rights reserved.
THE ENERNET:
Hybrid AC/DC Building/Campus
Microgrids for Resilient Applications
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INTERCONNECTED OF DISTRIBUTED GENERATION MICROGRIDS:
THE ENERNET
• WHY? • WHAT? • HOW?• EARLY ADOPTERS
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WE’RE AT A TIME OF INCREASING CHALLENGES TO OUR POWER SYSTEMS: FROM POINTS OF GENERATION - TO
POINTS OF USE - AND EVERYTHING IN BETWEEN
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• Help Harvest Abundant New Supply of Electrons
• Maximize the Use Clean Renewable Sources
• Minimize Grid Expansion & Make It Less Intrusive
• Allow Massively Distributed Energy Resources
• Enable Digital Quality On-Off-Grid Operation
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“Evolve to a massively distributed array of microgrid systems interconnected in an true mesh electric
power network”
Solution:
The ENERNET
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Virtues1
2
3
4 Self Organizing
Presumption of Access Equality of Each Entity
Bottom-Up Public Structure
Strength of ‘Weak’ Transactive Cooperation
Self Healing = Resilient
Distributed Microgrids can capture the key virtues of the Internet using a similar topology
Building-Campus Microgrids will create a massively distributed mesh network of system sources, storage
and loads
1970 Today
Internet 50,000 7,500,000,000
Smart Grid 37,000 500,000
Enernet 37,000 1,700,500,000
Estimated # of Interconnected Nodes
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Osaka, Japan: 2015
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Residences:• Personal Power System• Operate on or off grid(s)• Under the owner’s total control• Conducts power transactions by choice• Basic infrastructure node in the Enernet
A Residential Microgrid Operates Independently or in Cooperation with Other Grids
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Includes:• Site Based Solar Energy Production• Electricity Storage• Co-located Loads – Appliances, Devices• Intergrid Connection
A Residential Solar Sourced Microgrid Operates Independently or in Cooperation with Other Grids
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Home Microgrids can be Ener-connectedinto Community Microgrids
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Commercial “Building Level” Microgrids are Similar Commercial:• Corporate Power System• Operate on or off grid(s)• Under the owner’s total control• Conducts power transactions by choice• Basic infrastructure node in the Enernet
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Includes:• Site Based Solar and Wind Energy
Harvesting/Production• Electricity Storage• Co-located Loads – Appliances, Devices• Intergrid Connection
Power Storage & Control
Office & Occupied Space
Factory or Warehouse
Data Center
Commercial “Building Level” Microgrids are Similar
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Commercial Building Microgrids can be Ener-connected into Commercial Campus Microgrids
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Community & Commercial Microgrids can be Ener-connected with Utility-Scale Microgrids
Wind Farm
Solar Farm
Sub-station
Sub-station
Commercial Campus
Microgrid
Community Microgrids
Peaking Power Plant
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Utility Microgrids can be Ener-connected into the ‘Smart-Grid’
Base Load Power Plant
Base Load Power Plant
Base Load Power Plant
Base Load Power Plant
Utility Microgrids
Utility Microgrids
Utility Microgrids
Utility Microgrids
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TheENERNET
Base Load Power Plant
Base Load Power Plant
Base Load Power Plant
Base Load Power Plant
Utility Microgrids
Utility Microgrids
Utility Microgrids
Utility Microgrids
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Virtues1
2
3
4
Presumption of Access Equality of Each Entity
Bottom-Up Public Structure
Strength of ‘Weak’ Transactive Cooperation
Self Organizing Self Healing = Resilient
Combining the ideal solutions with the key virtues learned from the Internet
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Nanogrids, Microgrids and Macrogrids are Organized into an Increasingly
Expansive and Inclusive Tiered Framework
The ENERNET
MacrogridsNational
Tier 3Regional
MicrogridsCommunity
Tier 2Campus
Nanogrids
Building
Tier 1Level, Room, Device Area
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Transforming Traditional Power Gridsto an ENERNET Mesh Topology:
• Increases availability of clean energy from massively distributed solar and other renewable sources
• Improves, reliability and independence/security of electric energy
• Maintains the intrinsic value of the bulk power ‘Smart Grid’
• Improves ability to provide low cost electricity in underserved markets
• Provides an open, horizontal environment for energy innovation, new applications and new business models involving energy production, storage, and use
• Lowers the risk of future investments in power infrastructure
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"Semi-conductors began to evolve in the 1940s and 1950s and have become the predominant means of using power, and about 80 percent of power used in commercial buildings must go through some form of power electronics so it can be converted to DC,"
quote from studies conducted by the Center of Power Electronics Systems at Virginia Tech.
Why Hybrid DC Power
END OF USE DEVICES
DC Lighting Home Entertainment Office Equipment Servers / Routers Portable devices Var. FrequencyDrive (AC, Refrigerators, washing machines, etc
PORTABILITY
DISTRIBUTED RESOURCES RISE OF DIGITAL ECONOMY
Demand for “digital quality” power is growing rapidly
Requires much higher reliability and quality
New devices have different characteristics
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DC Power Markets & Benefits
DC power has applications in three different markets, with different primary benefits driving adoption in each:
No Phase /
Voltage
Balancing
Smaller
Footprint
per kW
Increased
Power Chain
Efficiency
Reduced
Distribution
Losses
Simple
Architecture /
Few
Conversions
Cable
Savings
Easy Integration
of Energy
Sources/Storage
Data Centers Telecom Building Microgrids
Other
Benefits:
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Agency Status / Standards• 380VDC system standards currently released or under development through international efforts
UL (several products listed today) – cover all distribution system components
ETSI EN 300 132 -3-0 – power interface standard – RELEASED
ETSI EN 301605 – earthing and bonding for 400VDC systems - RELEASED
ITU – (ITU-T l.1200) – adopted ETSI voltage levels - RELEASED
IEC / IEEE (SG22H) – working group in place – new DC UPS standard –release in 2015
ATIS- 0600315.01.2015 – voltage levels standard - RELEASED
SCTE – committee started
NEC – Current edition applies to both AC and DC : Wiring , protection , safety
Continuous upgrades on 3 year cycle
EMerge Alliance - Focus on site and system application interfaces & interactions – RELEASED
YD/T 2378-2011 (China Standard) - RELEASED
Planned update for 336V (380VDC) mid to late 2015
NEMA / EPRI – work in progress
• Standards also needed for and driven by renewable resource deployments
Standardization Work Closely Harmonized to Agree on Aligned Global Standards
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Hurdles to Adopting DC Have Been Overcome
Challenge Current State
Global voltage selection and adoption 380 VDC selected globally
Applicable standards for 380VDCMany International standards in place. Need to develop best practices and training.
Availability of 380VDC components (plugs, breakers, power strips)
380VDC components have been commercially available for several years
Availability of 380VDC loads(servers, storage, switches, etc)
Some 400V DC loads are available. More are in development.
Operational changes in Telecom vs. - 48V
Hybrid approach using 380/48V conversion maintains -48V at the rack380VDC loads will require operational changes, but are feasible (plugs instead of lugs). Migration path identified.
Safety concernsHRMG system design mitigates arc and shock potential
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75+ USA Test, Beta, & Production SitesCommercial, Residential, Data Center Applications
NextHomeCampion HomesDetroit. MI
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Higher Voltage DC Global FootprintAs of September 2015: 1150+ Systems have been deployed globally
Deployed across Asia, North America, Europe, and Africain a wide range of applications:• Telecom• Data Centers• Building-Campus Micro-grids• High Performance Computing
US Telecom
European Telecom
Level 3
US Data Center Integrator
Canadian Telecom
Xiamen University
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New Construction Bldg – 4,400 m2
• ABB Power Distribution– In: 16KV AC– Out: 1MW @ 380Vdc– Battery Backup: 10 mins– Backup Generation
• 1,100m2 of 3,300m2 Vdc
• HP 2U, Blades & Storage Servers
• Demonstrated Benefits
– 10%+ Better Energy Efficiency, 1.18 PUE
– 15% Lower Capital Cost
– 25% Smaller Footprint
– 20% Lower Installation Costs
Rectifier
Battery Storage
Datacenter Servers
16KVac
3Ø
380Vdc
Photos courtesy of ABB* and HP*
380Vdc Data CenterZurich, Switzerland
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Deep Renovation of existing 600,000 SF 2
Floor Bldg.• 380 Volt dc bus
architecture
• 50,000sf of 380Vdc DC Energized Racks
• 24v DC LED Lighting
• Wireless Lighting PWM/IPv6 Controls
• Control Phase I Early 2015
• Scalable design saved 50% CapEx.
• Stage II includes on-site solar farm (site has 110 acres of open field).
• Future ENERNET Node.
AC/DC Hybrid Data Center DemoPrinceton, New Jersey
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Live 380VDC Demo Room @ Steel Orca
Components Display
Stultz 380VDC in Row Cooling GVA 380VDC Lighting
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China Telecom Mega CenterInner Mongolia
Phase 1.1 finished 4 buildings: 65 sets
of LVDC systems.
Single system with dual bus output
DC Deployments in China
Source: Emerson Network Power
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LVDC Deployments in China
Source: Emerson Network Power
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Shanghai Baozhiyun IDC
80 systems of LVdc
240kW/system
AC+LVDC dual supply
LVDC Deployments in China
Source: Emerson Network Power
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Tencent Modular IDC
12 server racksPower of each rack: 8kWBackup time: 10 minSpace area:3600mm(W)*5300mm(L)
LVDC Deployments in China
Source: Emerson Network Power
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Baidu Yangquan IDC
Rectifier Charger
Phase One: 7 systems of 360kW LVDC
Phase Two: 63 Systems of 210kW LVDCRectifier Cabinet and separate Battery Charger
LVDC Deployments in China
Source: Emerson Network Power
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380VDC France Telecom
FT datacenter Velizy, Emerson power system 380VDC 50kW capacity with 30 min lead-acid ,1+1 redundant
380VDC A
380VDC B
IBM and HP servers
Rect.
A
Rect.
BBatt.
A
Batt.
B
ENERGY PREMISES SERVER ROOM
LVDC Global Footprint
Source: Emerson Network Power
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LVDC Global Footprint
Bachmann (Germany) 380VDC Datacenter/Microgrid
Emerson 380VDC systems
380VDC servers380VDC invertersAC servers
380VDC Data Center
Source: Emerson Network Power
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Battery
336VDC
336/12VDC
380VDC+12VDC Solution for China Mobile -Harbin
LVDC Global Footprint
Source: Emerson Network Power
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LVDC Global Footprint
Emerson in partnership with RSC installed 2 sites:• Saint Petersburg Polytechnic University (SPbPU)
• Polytechnic RSC PetaStream - 1st in Russia by energy efficiency level with 2,401.4 Mflops/Watt
• #8 in local Top50 supercomputers list for Russia/CIS
• Feed from NetSure 9500 120kW Power system and using Vicor 400/12V DC/DC converters
• Joint Supercomputing Center of Russian Academy of Sciences (JSCC RAS)• RSC PetaStream - The first project on Intel® Xeon
Phi™ 7120D in Russia and CIS• Feed from NetSure 4015 30kW Power system
and using Vicor 400/12V DC/DC converters
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LVDC Global Footprint
Source: Emerson Network Power
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DCC+G European Microgrid Project
Office Building, Fraunhofer Institute in Germany
90kW +/- 380V DC Power System w/ Solar MPPT
Specs:Dual bus (+380V, -380V)
90kW=6x15kW rectifiers
30kW=2x15kW solar MPPT
(2) ACU+ controllers
24U enclosure
Verification sites:1.Fraunhoffer Institute – building microgrid2.Bachmann – green data center3.Phillips - lighting
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LVDC Nanogrid - LightingMiddletown, Pennsylvania USA
DC Lighting + Energized Ceiling
Grid
• Full energized top and bottom rails of suspended ceiling
• 10,000sf of DC Lighting
• Traditional design / bid / build process
• Installation time was reduced to 50% vs. Traditional ac system
• Stage II solar ready
• Future ENERNET Node
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3 Floors of Class A Office Space
• 14th Floor:T8 Fluorescent – No Controls
• 15th Floor:LED Retro Tube – No controls
• 16th Floor:LED Retro Tube – W SKY controls
• Dramatic Energy Savings75%!
• Future ENERNET node.
LVDC Nanogrid - LightingDetroit, Michigan
Source: Nextek Power Systems
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Deep Renovation of 7 Story Office
Bldg.• 110,000sf of 24v DC
LED Lighting
• 70,000sf of DC Energized Ceiling
• Wireless Lighting Control
• Stage I Completed Late 2014
• Direct Coupled® Solar planned for Stage II
Solar Powered LVDC Lighting NanogridDearborn, Michigan
Source: Nextek Power Systems
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DC FLEXZONE CEILING, LEDLIGHTING & OCCUPANCY
SENSORS
DC PHOTOVOLTAICS
DIFFUSED DAYLIGHTING
DC PHOTOVOLTAICS
NATIVE PLANTS,
IRRIGATION &
GROUNDWATER
INFILTRATION
PNC Financial Services Group Inc. announced the debut of its new net-zero energy bank branch during first quarter 2013 in Fort Lauderdale, Fla.
PNC branch exceeds LEED Platinum certification and is PNC’s most energyefficient building, using 50 percent less energy than a typical branch.
VEGETATIVE WALL
ENERGY RECOVERY UNIT
Whole Building DC MicrogridsFt. Lauderdale, Florida
Zero Building Designed 10, 000 SF
• Low Voltage dc LED Fixtures
• Power directly from on-site solar
• 50% less Energy than equivalent Branch Bank
• Net Zero Building
• Future ENERNET Node
Source: Armstrong World Industries
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DC Microgrid Click & Brick Integration Cold Spring Kentucky
Five stores have 600 kW solar capacity = 750,000 kWh/yr. Newest is 200 kW in Los Alamos, New
Mexico. Clackamas Distribution Center in Oregon has a 500 kWh capacity, about 10% of building’s power.
Total solar production in 2014 was approximately 2.4 million kWh.
Source: Nextek Power Systems
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Building/Campus AC/DC MicrogridsDetroit, Michigan
Source: Nextek Power Systems
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Source: Nextek Power Systems
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Greenbuild 2015Solar Power International 2016
Washington DCCONVENTION CENTER
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A part of the HOW: Standards
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E.J. CURTIS ASSOCIATES, INC.
Nicholson & Sun LLC
Connecting the Dots…
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Standards Organizations We Work with to Advance DC Microgrid Technology / Use
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Standards Activity
• Commercial Building Occupied Space
• Data Center & Central Office
• Task Level (desktop & plug loads)
• Whole Building Microgrids
• Residential & Light Commercial
• Retail/Specialty
• Bldg. Services (HVAC) / Outdoor/EV ChargingPending
Forming
New in 2015
Draft Dec. 2015
Issued Nov. 2015
Issued
Issued
System Application Standards
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Globally Recognized Benefits of LVDC Distribution
• Single voltage (380VDC) global standards – fewer OEM equipment variations – potential equipment cost reduction
• Simplicity , scalability , ease of deployment
• High reliability – elimination of series conversion steps
• Power quality maintained (vs AC eco-mode)
• No need for phase balancing
• Elimination of harmonics impact
• Lower Total Cost of Ownership
• Migration path to true electric power network: Enernet
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Definition:
The Enernet:Flexible, clean, efficient, resilient, affordable
and sustainable energy infrastructure
“Enernet" refers to the global power system that -- (i) is logically linked together by a
globally unique intergrid connection scheme applied at the points of common
connection between grids; (ii) is able to support transactionally based flow control
protocols based on the principles of free-market trade to achieve a balance of the
supply and demand for electricity; and (iii) provides, uses or makes accessible, either
publicly or privately, high level services included with the electric power infrastructure
described herein.
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www.EMergeAlliance.org
Thank You !