Powering Freight & Transportation - Power Systems Design

10
INDUSTRY NEWS
Critical
MADE IN USA
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Lynchburg, Virginia 24502 USA
tel. 434.239.6941
fax. 434.239.4730
www.paktron.com
PK13988
www.paktron.com
MULTILAYER POLYMER (MLP)
CAPACITORS
Ultra low ESR and ESL
High Ripple Current Handling
Stable Under AC & DC Voltage
Military/Telecom/Datacom
99.999% (5x9) Up Time
Low Profile For Surface Mount
Robust Mechanical and Electrical
Design
50 to 500 Volts
APPLICATIONS
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HEV - Hybrid Electric Vehicle
Boost Converters
High Voltage Bus from 48 to 440+
Volts
PFC Front Ends & SMPS Off-Line
RFI/EMI Suppression
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electronica 2008:
FUTURE ELECTRONICS -
AREA A3, BOOTH 441
LTi REEnergy
Selects Maxwell
Technology BOOSTCAP ®
Ultracapacitors for Backup
Power in Wind Turbines
Maxwell Technologies Inc. announced today that LTi REEnergy
GmbH (LTi), one of the world’s leading producers of electro-mechanical
wind turbine blade pitch control systems, has selected
Maxwell’s BOOSTCAP ® Ultracapacitors to supply backup power for
LTi’s PitchMaster ® blade pitch control system.
Blade pitch control systems enhance the consistency of wind turbines’
electrical energy output and ensure that rotor speed remains
within a safe operating range by constantly adjusting turbine blades
to compensate for changes in wind velocity. Ultracapacitors supply
backup power for orderly system shutdown in the event of a main
system power failure.
David Schramm, Maxwell’s president and chief executive officer,
said that LTi’s PitchMaster ® system incorporates multi-cell BOOST-
CAP ultracapacitor modules based on Maxwell’s BCAP0350 “D cell”
product.
“LTi supplies blade pitch control systems to a number of major
wind turbine manufacturers around the world, and already sold more
than one thousand PitchMaster ® systems, so this new supply agreement
represents a significant expansion of Maxwell’s penetration of
the rapidly growing wind energy industry,” Schramm said. “We are
pleased to be aligned with another leading player in the dynamic
renewable energy marketplace.”
Matthias Vehring, LTi’s Managing Director, said that ultracapacitors
were chosen over batteries for backup power because of their
longer operating life, lower maintenance requirements and ability to
operate more reliably in harsh climates.
“Wind turbine operators need systems that perform reliably for
many years in all weather conditions with minimal maintenance,”
Vehring said. “BOOSTCAP products have demonstrated their durability
and reliability at temperatures ranging from -40 to +65 o C, which
enables our pitch control systems to better meet our customers’
expectations.”
Industry sources report that nearly 20,000MW of new wind generator
capacity was installed in 2007, bringing the total worldwide installed
base to approximately 94,000MW. From 2003 through 2007,
the industry maintained an annual growth rate of more than 20%,
and it is projected to continue to meet or exceed that rate through
2012.
www.maxwell.com
www.reenergy.lt-i.com
Power Systems Design October 2008
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