Local HVDC Network Architectures and Challenges

Local HVDC Network Architectures and Challenges MICHAUD Benoit Labinal Power Systems, Power Division, Rond Point Rene Ravaud – BP 42, 77551 Moissy Cramayel Cedex – France, benoit.michaud@labinal-power.com Abstract Electrical power increase is a long term issue in aircraft installation. Higher voltage is already a challenge that has been faced through latest aircraft development (B787, A350). The following step could be also an important challenge: the High Voltage DC network (named here HVDC). It would enable great weight saving however the challenges to face up are also bigger. A first step already done is to communalize in one equipment different loads drives (B787). A more innovative step would be the use of local HVDC networks to feed some dedicated areas of the aircraft. The definition of the best local architecture can be done only through the knowledge of at least the following constraints: Energy optimization (reversibility); Network stability and protections; Energy conversion and storage. This presentation gives a short overview of the work performed by Labinal Power Systems on the HVDC network theme. Introduction The importance of electricity substantially increase