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Im ag e m an gp or 20 04 – Ado be Sto ck Arelated EKSH funded project at the West Coast University of Applied Sciences in Heide is into MVDC short couplings which will provide an even more flexible energy flow in the grid Power electronics for fossilfree heating The smart grid is also implicated in the transition to fossilfree heating – a significant challenge for many particularly in Germany and Schleswig-Holstein where oil and gas heating systems still dominate The widespread adoption of heat pumps is one approach which of course necessitates the efficient control of the compressors Another approach involves expanding district heating systems and supplying them with fossilfree energy Geothermal energy could be one way to generate both electricity and heat For geothermal exploration to be effective the many large pumps involved need to be controlled with advanced power electronics But there are other exciting opportunities Awinning project of the EKSH-Energy-Olympics that stands out was executed by the community cooperative in Bosbüll The cooperative manages a wind and solar farm and recently incorporated an electrolyzer to produce hydrogen with their excess energy The electrolyzer’s relatively low efficiency of around 30% resulted in considerable heat losses The cooperative leverages this excess heat to warm water to 80°Cwhich is then distributed via a district heating system This enhances the overall system efficiency to about 95% The three ‘P’s of sustainability people – profit – planet Achieving sustainable growth in the power electronics sector is paramount due to its omnipresence in future technologies and applications We need to ensure solutions that are sustainably produced highly efficient highly reliable durable as well as reusable and recyclable This sustainability can be conceptualized in a triangle of three interconnected dimensions people profit and planet The energy transition requires the engagement of people across a range of professions from legal to social specialists and extending beyond the technical aspects of electronics thermodynamics and materials science to encompass the ability to communicate and collaborate across disciplines For companies competing for skilled multifaceted employees sustainable operations can also be an important differentiator in attracting and retaining To ease the chance of cooperation and to highlight the huge variety of researchers focusing on the energy transition the EKSH launched a free researchers database at https energieforschung sh en the right people particularly if it is obvious as a guiding principle throughout the organization and value chain Apart from energy use this is also reflected in how scarce or limited resources are used from water to rare earth elements and metals that may be sourced through methods that infringe upon fundamental human rights Tackling such challenges in power electronics through close cooperation between universities and industry can also help companies demonstrate a commitment to sustainability to students whilst also paving a way for these people to transfer their talents to the company after their studies Profitable business growth is achievable through enhancing efficiency and sustainability to reduce the consumption of energy and resources and to minimize waste One of the EKSH’s scholarship recipients at Flensburg University of Applied Sciences for example is working on optimizing losses in electric machines by enhancing the control of eddy currents in their sheet metal packages Increasing sustainability also should involve rethinking the use of composites to simplify separation processes for recycling of materials and packaging It culminates in identifying smart solutions that minimize resource consumption or even by rendering certain aspects of the electrical energy system redundant In this way investments in sustainability can often lead to significant cost savings thereby enabling increased profits and creating opportunities for durable and longlasting growth And not least we cannot forget that “there is no planet B” Power electronics has a pivotal role to play in protecting our planet Power electronics components and systems should be sustainable across their design and development and throughout their product lifecycle One of the EKSHfunded projects at Kiel University of Applied Sciences which led to the startup Heimdalytics involves an intelligent method for reusing battery packs from electric vehicles after they had undergone an electrical health check And a sustainable lifecycle starts with producing power electronics using renewable energy sources With this in mind Schleswig-Holstein recently granted Northvolt a final decision to commence their battery cell production in the region Leading action and thought on sustainability The EKSH engages actively with all dimensions of the people – profit – planet triangle This starts with the funding of research projects and scholarships that pave the way to developing technologies and systems along with welltrained personnel And ultimately creating solutions that are attractive for private and public sector companies to implement which advance the energy transition and contribute to the preservation of our planet The PCIM Europe provides an ideal platform for learning idea exchange and promoting the collaboration necessary to realize the energy transition fully – the qualities the EKSH is dedicated to fostering One of the recipients of EKSH funding Kiel University of Applied Sciences with Aylin Bicakci a PCIM Europe Advisory Board member will showcase their most recent project results and demonstrators at the PCIM Europe exhibition and will also deliver presentations at the PCIM Europe conference showing how making power electronics fully sustainable is challenging yet achievable Prof Dr -Ing Frank Osterwald is chairing the oral presentations on “Advanced Materials and Technologies” on 11 June 2024 2 30 p m stage Brüssel 2 Sustainability 13 PCIM Magazine 01 2024