The EC-system of EU DEMO: concepts for a reactor heating system G. Granucci, G. Aiello, K.A. Avramidis, A. Bruschi, G. Gantenbein, S. Garavaglia, G. Grossetti, J. Jelonnek, A. Moro, E. Poli et al. (7 more) EPJ Web Conf., 149 (2017) 03003 Published online: 04 August 2017 DOI: 10.1051/epjconf/201714903003