Lifetime Achievement for German engineer Rainer Marquardt for pioneering power-conversion technology behind electric grids The European Patent Office is recognising Professor Rainer Marquardt for developing the Modular Multilevel Converter, a breakthrough in power electronicsHis inventions opened the high-power range up to the gigawatts level for electronically controllable power conversion combined with highest efficiency and reliabilityThis technology is now the global standard, used in…