Shanghai ISSON Power Quality Co., Ltd. Deploys Maxwell Technologies' Ultracapacitors To Power Yangshan Deep-Water Port Electric Cranes One of the world's largest ultracapacitor storage systems supports uninterrupted port operation

SAN DIEGO, May 21, 2013 /PRNewswire/ -- Maxwell Technologies, Inc. (Nasdaq: MXWL), a leading developer and manufacturer of ultracapacitor-based energy storage products, today announced Shanghai ISSON Power Quality Co., Ltd. installed 126 of Maxwell's 125V Heavy Transportation Modules in  a power system that operates 26 ship-to-shore cranes for loading and unloading container ships at the Yangshan Deep-Water Port, a national-grade super harbor connected to the mainland by a 20-mile long bridge. This installation, one of the largest ultracapacitor installations in the world and the biggest in Asia, stabilizes voltage and smooths the fluctuation of the power output, for the electric cranes, allowing for uninterrupted operations.

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Simultaneous operation of the many high-power, variable-voltage, variable-frequency (VVVF) cranes can create power demand peaks that overload the local electric grid. The ultracapacitor-based power system buffers those demand peaks to minimize their impact to the grid. Liaoning Baina, a Maxwell-certified integrator, installed the ultracapacitor bank into a control center where the system can communicate with the inverter while transferring data – such as system and module voltage, current and temperature – and send an alarm to back-end monitoring software. Equipment operation managers can monitor and operate the system via touch screens at each ultracapacitor bank that display the status of the bank.

"Using ultracapacitors for electrical grid network stabilization when the cranes are in operation eliminates voltage supply interruptions so the cranes can consistently lift loads and avoid the costs associated with port operation disruptions," said Jie Huang, a project manager and chief design engineer at ISSON. "The 10-year estimated lifespan of the ultracapacitor-based power system is double our initial expectation, reducing the maintenance cost worries we would have had with batteries."

Maxwell's Heavy Transportation Module provides the high power bursts that voltage sag applications require more efficiently than batteries, plus its long life means it can operate effectively for up to 10 years with little to no maintenance. The Heavy Transportation Module includes balancing, monitoring and thermal management capabilities, so the ultracapacitor module can be charged and discharged rapidly and repeatedly while maintaining its high reliability and long operational life.

"This large-scale electrical power storage installation demonstrates how ultracapacitor technology optimizes the power system's operation, and we expect this type of system to be duplicated at other harbors," said Brian Eichler, director of sales and marketing, Asia at Maxwell Technologies. "ISSON's ultracapacitor-based power system smooths demand on the electrical grid and protects against voltage sags, which can be detrimental to harbor crane operations."

Additional Maxwell Technologies information:

About Maxwell Technologies, Inc.

Maxwell Technologies is a leading developer and manufacturer of innovative, cost-effective energy storage and power delivery solutions. Our ultracapacitor products provide safe and reliable power solutions for applications in consumer and industrial electronics, automotive, transportation and information technology. Our high-voltage capacitor products help to ensure the safety and reliability of electric utility infrastructure and other applications involving transport, distribution and measurement of high-voltage electrical energy. Our radiation-mitigated microelectronic products include power modules, memory modules and single-board computers that incorporate powerful commercial silicon for superior performance and high reliability in aerospace applications. For more information, please visit www.maxwell.com.

For media relations, please contact:
Rachel Sullivan
Metis Communications
617-236-0500
maxwell@meticomm.com

For investor relations, please contact:
Mike Sund
Maxwell Technologies
Vice president, communications and investor relations
858-503-3233
msund@maxwell.com

For sales, please contact:
Brian Eichler
Maxwell Technologies
Director, sales and marketing Asia Pacific
858-503-3326
beichler@maxwell.com

SOURCE Maxwell Technologies, Inc.



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