THE OFF-LINE DIAGNOSE OF AUTOMATIC CIRCUIT BREAKERS BY THE TIME DOMAIN AND FREQUENCY VIBRATION ANALYSIS Journal title: ANALELE UNIVERSITATII DIN CRAIOVA - Seria Inginerie electrica Authors: Horia BÄ‚LAN, Aurel BOTEZAN, Mircea BUZDUGAN, Elena STEFAN, Gabriel PIRV, Petros KARAISSAS Subject(s): Electrical and Electronic Engineering, Engineering, Energy, Mechanical Engineering