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POWER ELECTRONICS AND SYSTEM TECHNOLOGIES FOR ENERGY SUPPLY Prof. Dr. Lothar Frey, Fraunhofer IISB SEMICON Europa, TechARENA, Dresden, October 7, 2015 – A Strategic Core Competence of the Fraunhofer Group for Microelectronics – Page 1 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB Challenges „WWW of Energy“ Linkage of energy sources, consumers, and storages in complex infrastructures Increasingly decentralized and renewable Coupling of electrical energy to other forms of energy Highly efficient components, systems, and control concepts Page 2 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB Research Foci in this Core Competence of Power Electronics and System Technologies for Energy Supply System integration Thermal engineering Control Algorithms, Software Simulation Sensor technology Energy management Energy storage technologies Battery management Energy harvesting Electric drive technology EMC Active and passive devices Packaging Materials development Page 3 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB Research Focus Power Electronic Systems Research Focus ICT Research Focus Devices and Circuits Power Electronics and System Technologies for Energy Supply Fraunhofer Institute ENAS ICT Metering, Data Transfer Energy Harvesting Control, Management Sensor Technology EMC Reliability, Lifetime Power Electronic Systems Packaging Circuits Devices Wide Band Gap Materials Page 4 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB ESK FOKUS IAF IIS IISB IMS ISIT IZM Research Focus Devices and Circuits Low-Inductance Packaging Half-bridge module with SiC MOSFETS and JFETS Embedded in circuit board material, thermal engineering on DCB basis For multi-phase active filters and PV inverters Optimum control of parasitic properties 5 kW power < 1 nH intermediate circuit inductance Almost no overvoltage at switch-off Especially small and lightweight Page 5 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB © Fraunhofer IZM Research Focus Devices and Circuits High-Temperature Microcontroller and Driver ICs For compact power modules and extended functionality like sensorics, signal generation or status monitoring close to the power semiconductors on power modules Operation temperature from -40°C to 250°C Driver IC for GaN semiconductors On-chip temperature sensor 8-bit microcontroller Status monitoring (maximum temperature, undervoltage) Page 6 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB © Fraunhofer IMS Research Focus Devices and Circuits System-specific Silicon Power Devices Application-specific system optimization by trade-off adjustment of conduction and switching losses, robustness, a suitable metallization, and chip design FS-IGBT, 600/650V-1200V, 10A-240A PT-IGBT, 600/650V, 10A-240A Sinterable and solderable frontside and backside metallizaion Layout adjustment on request Integrated gate resistor Integrated temperature and current sonsors Page 7 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB © Fraunhofer ISIT Research Focus ICT Communication for Energy Management in Electric Cars Communication interfaces for intelligent charging of electric vehicles Time-shift charging Individual and dynamic invoicing Bidirectional data transfer between charging station and vehicle (ISO/IEC 15118) © Fraunhofer ESK Communication between charging station and smart power grid (IEC 61850-90-8) Platform for test and development support Page 8 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB Research Focus ICT OGEMA 2.0 – Framework for Energy Management Systems Open Source Framework for implementation of different systems, applications, and components into energy and building management Flexible and multi-level safety concept System-independent software Link to current communication interfaces Use of a Java platform Standardized data models Control and display on mobile terminals Page 9 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB © Fraunhofer IIS Research Focus Power Electronic Systems DC Grid Manager for DC Microgrids in Buildings Complete plug-and-play solution for local DC microgrids Generate, store, and use renewable energy from different PV strings 8 individual DC ports with an efficiency of up to 99 %, flexibly configurable Maximum power per DC port: 8 kW (@ 380 V) Needs only 2 HU in a 19-inch rack system When connected to a PV string, the channel can operate as MPPT Page 10 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB © Fraunhofer IISB Research Focus Power Electronic Systems Bidirectional Full-SiC 200kW DC/DC Converter For electric, hybrid, and fuel-cell vehicles Extremely light-weight, small, and powerful Based on SiC-MOSFETs, extremely flat and small gate drivers, full-ceramic capacitors, and custommade light-weight ferrite inductors Maximum output power: 200 kW Switching frequency: 200 kHz Power density: 143 kW/dm3 Efficiency: up to 98,9% Page 11 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB © Fraunhofer IISB Research Focus Power Electronic Systems Full-Custom High-Performance Stationary Battery System LTO chemistry 20 Ah prismatic cells 14 daisy-chained modules 20 kWh total energy 100 kW maximum continuous power 320 A continuous charge and discharge currents 315-567 voltage range 1.2 mV precise voltage monitoring at cell level Air-cooled system Page 12 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB © Fraunhofer IISB Your strategic partner in POWER ELECTRONICS AND SYSTEM TECHNOLOGIES FOR ENERGY SUPPLY http://www.mikroelektronik.fraunhofer.de/ strategische-kernkompetenzen/ leistungselektronik-und-systemtechnik-fuer-die-energieversorgung.html Page 13 Lothar Frey, TechARENA, SEMICON Europa, October 7, 2015 © Fraunhofer IISB