Braune, H., Brand, P., Erckmann, V., Laqua, H. P., Jonitz, L., Leonhardt, W., et al. (2007). Operation experiences with the HV-system for the ECRH installation at W7-X. Talk presented at 19th Joint Russian-German Workshop on ECRH and Gyrotrons. Garching. 2007-07-18 - 2007-07-24.