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GreenBuild Expo
November 19, 2015
380VDC Powering Approach
Who is Eltek?
Eltek is a world leader in high-efficiency power conversion and
electronics. We are an industry pioneer with more than 40 years
of experience. We help customers save energy and money while
reducing their environmental impact.
11/24/2015 Company presentation Slide 2
11/24/2015Slide 3
Eltek is proud to be
a Delta Group Company
• Eltek remains a Norwegian company, fully owned and incorporated in the Delta Group of companies
• The Eltek brand and products will remain
• With the joint forces, Eltek will be able to serve customers with:- Wider product portfolio
- A more complete sales and service network
- Continued leadership through an even stronger R&D team and manufacturing capabilities
Stronger TogetherEltek - A Delta Group Company
Company presentation
11/24/2015 Company presentation Slide 4
Human activity depends on electricityLife on earth today depends on sufficient and accessible energy –
and our expectation is that it should be stable and reliable
we make it happen
Railway & Metro Data Center
Power Utilities Marine & Offshre Telecom
Engineering
and R&D, 40
Sales, PM &
Customer Service, 60
Operations &
Quality, 80
Finance , HR
& Admin, 20
ELTEK USA: LOCAL MANUFACTURING
• Americas headquarters located in Plano,
TX
- Over 120,000 sq. ft. facility space
- Full system Integration and test facilities
- Power products ranging from1 Amp to 20,000
Amps
- Sales offices throughout the U.S. covering all 50
states
- 24x7 Customer Support Services
• 200 Full-time + contract employees
- Engineering and R&D: 40
- Sales, PM, Installation & Customer Service: 60
- Operations & Quality: 80
- Finance, HR & Admin: 20
380VDC POWERING
• Introduced through a Department of Energy initiative focused on
data center efficiency improvement
380V DC UPS ARCHITECTURE
A simpler architecture with fewer power conversions
Traditional
AC UPS
#3: 208V AC
(for PSU supply)
# 4: 380V DC
(for PFC stage)
#5: 12V DC
(for IT eqpt)
# 2: 480V AC
(allows bypass)
# 1: 540V DC
(for batteries)
1 5432
Power
Conversions:
380V
DC UPS
#2: 12V DC
(for IT eqpt)
# 1: 380V DC
(system voltage)Power
Conversions:
1 2
380VDC POWERING
• Introduced through a Department of Energy initiative focused on
data center efficiency improvement
• Results in a simpler architecture with expectations of lower capex
and opex costs, reduced footprint and higher reliability
380VDC POWERING
• Introduced through a Department of Energy initiative focused on
data center efficiency improvement
• Results in a simpler architecture with expectations of lower capex
and opex costs, reduced footprint and higher reliability
And it addresses emerging needs
SERVICE PROVIDER’S PROBLEM
• Power density of ICT equipment is growing rapidly, which is
taxing the capacity of the existing 48V 10,000A systems
• The 48V DC systems are aging and experiencing rectifier
failures (predominantly ferros)
• Cable congestion is constraining the power levels that can be
delivered into the ICT load areas
An upgrade of the existing 48V centralized power systems will not
achieve the power densities that will be required for the coming years
… a transition to an alternative powering approach is necessary
CUSTOMER’S INITIAL 380V SYSTEM
380V
Rectifiers
277VAC
(480V 3Φ+N)380/48V
Converters
380VDC
48VDC
48V
BDFB
. . .
380V
Batteries
. . . 48V Eqpt
Loads
New Equipment
Existing Equipment
Basement Equipment Floors
CUSTOMER’S INITIAL 380V SYSTEM
380V
Rectifiers
277VAC
(480V 3Φ+N)
380/48V
Converters
380VDC
48VDC
48V
BDFB
. . .
380V
Batteries
. . . 48V Eqpt
Loads
New Equipment
Existing Equipment
Basement Equipment Floors
380V
PDU
. . . 380V Eqpt
Loads
ADDRESSES THE CONGESTION ISSUE
• There is dramatic impact on cable sizing
CUSTOMER’S VIEW ON 380VDC POWERINGSummary
• Addresses their impending constraints
• Can be phased-in through a practical transition
• Delivers near-term and long-term operational benefits (reliability,
energy efficiency, facilitation of Microgrids …)
• Avoids the extremely costly alternative of transitioning to a new
facility
380VDC appears to be an excellent approach for delivering both the
power levels and reliability that will be required at their existing
facilities in the coming years and decades
380VDC POWERING
• Introduced through a Department of Energy initiative focused on
data center efficiency improvement
• Results in a simpler architecture with expectations of lower capex
and opex costs, reduced footprint and higher reliability
And it addresses emerging needs:
• Enables the delivery of 20kW or more to each emerging ICT rack
Problems inherent in our electric grid have resulted in significantly
more reliability issues and outages than are being experienced in
Europe and other developed areas
Kurt Yeager, Past President and CEO of EPRI
THE BIG PICTURE
• Growing recognition and concern that the U.S. Electric Grid infrastructure may be inadequate to meet the needs of the coming decades - Rapidly increasing demand
- Constrained generating capacity
- Diminishing reliability
- Rising costs
- Fossil fuel dependency
- Security concerns
GRID SYSTEM OF THE FUTURE
EMERGE ALLIANCE STANDARDS
Standard in ProcessStandard Exists Standard Planned
Standard
exists for
380VDC
Data Center
380VDC POWERING
• Introduced through a Department of Energy initiative focused on
data center efficiency improvement
• Results in a simpler architecture with expectations of lower capex
and opex costs, reduced footprint and higher reliability
And it addresses emerging needs:
• Enables the delivery of 20kW or more to each emerging ICT rack
• Facilitates the implementation of Microgrids to support the electric
grid with distributed generation resources
REMOTE POWERING NEEDS
• There is a rapidly growing need to expand communications and
data networks closer to the customers they serve
- Distributed Antenna Systems and Small Cells
- WiFi Access Points
- Optical Network Terminals
• Installations become more challenging and expensive (stadiums,
campuses, offices, multi-dwelling units...), particularly with respect
to powering
24 November
2015Slide 22
380VDC POWERING
• Introduced through a Department of Energy initiative focused on
data center efficiency improvement
• Results in a simpler architecture with expectations of lower capex
and opex costs, reduced footprint and higher reliability
And it addresses emerging needs:
• Enables the delivery of 20kW or more to each emerging ICT rack
• Facilitates the implementation of Microgrids to support the electric
grid with distributed generation resources
• Touch-safe, economical and efficient power distribution via digital
electricity
WANT TO LEARN MORE?
Visit us at Booth 4320
Experience the power.Experience the power.Experience the power.Experience the power.Experience the power.