the nations quest for energy efficiency from new lighting technology adoptions in net zero energy...
TRANSCRIPT
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The Nation‘s quest for
Energy Efficiency from New Lighting Technology Adoptionsin Net Zero Energy Buildings
Brian PattersonChairman, EMerge Alliance
EMerge Alliance Corp - ©2009-2010
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The Presenter:
Brian Patterson is the Chairman of the EMerge Alliance, a 501c non-profit corporation established to create standards and promote the rapid adoption of safe, low-voltage DC power distribution and use in commercial buildings. EMerge is a member funded organization focused on developing open standards that integrate infrastructures, power, controls and a wide variety of devices in a common hybrid AC-DC microgrid platform. He is also General Manager of Business Development for the Building Products Division of Armstrong World Industries, one of the original founders of the Alliance.
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Abstract:
Energy Efficiency from New Lighting Technology Adoptions
The Nations quest for Net Zero Energy Buildings is likely to change a great deal about the way we approach designing and constructing buildings in the future, particularly with respect to a broadened consideration of an increasingly diverse pallet of energy efficient building solutions and site based power generation and storage. And although utilities are working hard to “fix” our electrical energy distribution problems, an effort we call the “Smart Grid”, nobody predicts this will solve the underlying and growing shortage of “clean” electrical energy supply. The presentation highlights the role that modern lighting will play in helping reduce the load side of the energy equation
This presentation puts lighting in the larger context of the application of Hybrid DC Microgrids in buildings to help meet this challenge. The presentation explains how microgrids will form the distributed foundation of a new energy network or “EnerNet.” Discussed are the efforts underway to create newly configured power and communication platforms at the local level that allow highly efficient direct integration of site based renewable energy sources and storage devices without the use of power inverters. These novel platforms also define standards for the use of safe low voltages and limited current potential at the user interface, and in particular in modern lighting systems to enable plug-and-play device flexibility while facilitating energy savings and improved reliability by avoiding unnecessary power conversions and maximizing the use of highly articulated digital controls.
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Putting Things in the Right ContextBeing careful what you ask for…
“Please take me to the DC Power
Workshop”DCSuper Power
Workshop Invitation NEMA UL NFPA
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Zero Energy Buildings (ZEB)Buildings that produce as much energy as they use
What’s likely to change in the approach to design/build?
1. Integrated design and operations planning2. Site renewable energy strategies get maxed out3. Energy Storage technology will allow Grid
independence breakthroughs4. System Intelligence - More control, monitoring,
verification of everything
2030: All new commercial buildings
2040: 50% of commercial building stock
2050: All commercial buildings
EMerge Alliance Corp - ©2009-2010
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Smart Grid to Smart Buildings:Building DC Microgrids at the Core of Energy Networks
En•er•net: noun \en-tə(r)-net\ : the Internet of powered things Bob Metcalfe
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Sensor & Controls
HVAC Actuators
Electronic Lighting
ENERGY SOURCES ELECTRO-ACTIVE DEVICES
AC/DC Site Generation
DC Campus Fuel Cells
AC Line Power
DC Wind Power
DC Photovoltaic
Security & Safety
AV/IT Devices
OPPORTUNITY: Up to 30% less energy, 15% less capital, 200% plus more reliable
Source:
Data & Telecom Centers
SOLUTION: A simplified AC/DC hybrid coupled power network
CoupledAC/DC Power
Sources▲
DC Power DistributionManagement
▼Wireless ControlsBACnetTCP/IP
EMerge Alliance Corp - ©2009-2010
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Answer:
But Where’s My Internet For Powered Things?Who’s Working To Build The Enernet?
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• Open Standards for DC Microgrids in Buildings
• Hybrid platform of AC and DC power distribution
• Reduce or eliminate wasteful AC-DC conversions
• Creating More Flexible & Sustainable Buildings
• Plug and play reconfigurability
• Simplified electronics – improved reliability
• Energy Savings Potential in Buildings from:
• More efficient use of DC-based loads (i.e. LED lighting, controls, data and telecom centers, EV chargers, variable speed drives, etc.)
• Direct integration of DC energy sources (i.e. on-site solar, wind, fuel cells, dc storage)
The EMerge Alliance Created to Organize the Effort
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1. Create global standards for hybrid AC/DC microgrids in buildings• Open specifications for infrastructure, power, control and devices
• Interoperable platforms that drive energy savings potential
2. Create eco-system of organizations to adopt, implement & support standards• Fee Based Membership - governance, committee & member services
• Registration & Evaluation of member products
3. Promote use of standards by owners/specifiers/contractors• Education : Technical papers, magazine articles
• Promotion: PR & tradeshows, directories, product listings, design aids
Progress: 1 of 4 key standards released, 75+ members, 50+ demo/trade events/installations
Progress: 1 of 4 key standards released, 75+ members, 50+ demo/trade events/installations
EMerge Organization
Our Tactics Are SimpleUse Well Known Technologies and Methods
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1. Focus on early standards → widen scope over time• North America first→ then rest of world• Interiors first → data centers, service & utility, outdoor• Ceilings first → walls, floors, furniture• Lighting first → A/V, HVAC, IT, Security, occupant info• Room level first → building level and Smart Grid
2. Associate Alliance with national/global needs, concerns• LEED – Sustainability movement– CO2 Reduction• Electrical Efficiency – renewable DG & storage, reduced conversions• Energy Efficiency/Reliability - Net Zero Energy Buildings , islandable microgrids
3. Connect existing codes, standards, technologies in new ways• Establish liaison with traditional & contemporary organizations• Recruit mix of established and new tech OEM’s • Keep standards at highest practical (application) level
4. Brand product registration for specification ease by customers
Start small, finish big – High profile players & applicationsStart small, finish big – High profile players & applications
Key Strategies
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Energy Savings Opportunities for Building Owners
Building Applications (in priority timing of EMerge Alliance)
Ave % of Building
Energy Used
Potential Energy
Savings by Going DC
Keys to Maximizing Efficiency in Going DC
Interiors (Lighting)* 28%* Up to 15% LED, Renewables
Data/Telecom 17% Up to 30% Higher voltage conversions, Renewables
Service/Utility (HVAC) 36% Up to 10% Renewables
Outdoor 6% Up to 10% LED, Renewables
Other (misc equip loads) 13% Up to 5% Different voltage conversions
*Higher energy use in office buildings, up to 40%
© 2010 EMerge Alliance
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Occupied Space StandardWorking from the Top Down
INFRASTRUCTURE:
Ceiling
Walls
Furniture
Floors
© 2010 EMerge Alliance
380 VDC Bus
24 VDC Bus
208-277 VAC
P4P2
P2
P1P3
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EMerge Alliance Occupied Space Standard Applications in Commercial Interiors
Member Companies Make/Modify Products to Meet StandardSubmitted to Become “EMerge Alliance Registered”
380 VDC Bus
24 VDC Bus
208-277 VAC
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3rd Party Registration SitesOccupied space products are evaluated for suitability
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Product Example: Fluorescent Fixtures
Current Designed & Listed Product Change to DC Ballast Add Device Load
Connector/Cable Assembly
…Flexible device load cables
•Direct DC input eliminates AC-DC conversion•Can improve ballast efficiency by 10% or more•Results in higher lighting system efficacy (light output per watt)•Can improve ballast reliability significantly by eliminating HV inductors
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Product Example: LED Fixtures
Current Designed & Listed Product
Change to Listed DC Driver
Add Listed Device Load Connector/Cable Assembly
•Direct DC input eliminates AC-DC conversion•Can improve driver efficiency by 10% or more•Results in higher lighting system efficacy (light output per watt)•Can improve driver reliability significantly by eliminating HV inductors
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• Acuity• Cooper• Crestron• Focal Point• Herman Miller• Hubbell• Ideal• Leding Edge • Leviton• Lunera
• Nextek• Osram/Sylvania• Philips• Roal• Samsung• SensorSwitch• Steelcase• Traxon• Universal• Wattstopper
Companies Participating in LVDC Lighting Most have some DC products in the market already
…with many more in the process of applying for membership.
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EMerge Alliance Occupied Space Standard Beta Site Applications in the Field
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Solar to Fluorescent Lighting
UC San Diego Sustainability Resource Center
LEED® GOLD CERTIFIED
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Solar to LED Lighting
Optima EngineeringCharlotte, NC
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New: Solar Upgrade
USGBC HeadquartersWashington, DC
LEED® PLATINUM CERTIFIED
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Plans for DC MicrogridsFord is rolling out a Global Vision
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Links AC Grid conversion and DC PV, Storage supply to Lighting, IT, EV, etc. loads with Sensor based Microprocessor controls
Links AC Grid conversion and DC PV, Storage supply to Lighting, IT, EV, etc. loads with Sensor based Microprocessor controls
Plans for DC MicrogridsDC explores plans for “Intel Inside”
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EMerge Alliance Beta SitesStandards Applications in the Field
Occupied Space
Future
Data Center
Future
Outdoor (PEV)
Future
Bldg Serv. (HVAC)
Future
Combined Beta and Registered Sites as of February 2011
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www.EMergeAlliance.org
Direct Current (DC) Microgrid Power Application Standards
for Buildings
© 2010 EMerge Alliance