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Danfoss and Nanyang Technological University, Singapore (NTU Singapore) have joined forces to explore innovative power conversion solutions that enable next-generation energy grid technologies that leverage renewable energy sources.

For example, one project will investigate ways to seamlessly integrate power conversion technologies with existing energy storage systems (ie: batteries), which will help analyse and optimise energy grid support functions under different scenarios.

“Strategically placed power conversion systems dedicated to grid-scale energy storage systems can increase operational performance and grid reliability,” said Nazeer Syed, strategic business development manager, India and Southeast Asia, Danfoss Drives. “Interoperability gains new dimensions diversifying asset ownership.”

The collaboration will also develop learning approaches for new energy-related products, and customised business models to help companies transition into using modern energy grid systems.

The various research projects will be test-bedded at NTU’s Renewable Energy Integration Demonstrator Singapore (REIDS) – the university’s offshore hybrid microgrid located at Semakau Landfill. Some innovations will also be trialed at the NTU Smart Campus, which is already home to various cutting-edge innovations ranging from electric and autonomous vehicles to sustainable solutions for the built environment.

“Danfoss intent to demonstrate industry-leading power conversion systems for ESS applications, explore new system approaches with existing product mix: drives and power conversion products and applications, accelerate learnings for new business models towards modern grid transitions, system integration and performance testing of power converter topologies for AC Grids, DC Grids, EV Fast Charging,” explained Syed.

“With REIDS platform and collaboration, we implement our power converter in a real-life application with multiple energy sources and multiple stand-alone microgrids,” added Syed. “This is the perfect opportunity to demonstrate our leading technologies, while developing new system engineering competences, for future microgrid project opportunities.”

The collaboration will also leverage Danfoss’ strength and position in the microgrid market which revolves around alternating current drive active front-end (AFE) technology and NTU’s Low Voltage Microgrid Cluster (LVMGC), which is a large-scale multi-microgrid testbed that integrates and demonstrates multiple renewable energy sources. 

Danfoss will also study and develop novel power conversion topologies and control systems dedicated to grid-scale ‘Distributed Energy Resources’ integration.

“Urban grids and microgrids will rely on grid-integrated energy storage solutions to enable high penetration of renewables without compromising power quality and resiliency, and additionally offer ancillary services ranging from energy trading to voltage and frequency regulation thus extending the functionalities of future grid systems,” said professor Subodh Mhaisalkar, executive director of ERI@N.

“NTU’s partnership with Danfoss addresses this vision by exploring new system approaches to integrating power conversion technologies which are essential in smart grids that empower diverse distributed energy resources,” added Mhaisalkar.

Mhaisalkar explains that this is an important cornerstone in modern power systems as they continue to become increasingly decentralised, integrating multiple renewable energy sources for a cleaner and greener future.

“This echoes NTU’s drive-in translational research excellence in sustainability, which aims to develop innovative and practical solutions that not only helps industries adopt and transition into novel energy grid technologies but also enable solutions to the challenges of energy affordability and energy security,” he said.


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