Tysb Active S.L. general electrical service - installation, modernisation and reparation: Batteries management system, batteries test according to manufacturer specification - 2V cells banks, starting batteries Generators control systems, paralleling system, load sharing Inverters - single phase and three phases systems Power sources management, main switch panels Lighting: from bunk light to LED underwater lights PLC based systems: hydraulic, sails control, ship's alarm and monitoring, reparation and calibration Tanks monitoring and automation Main engines control Steering systems Variable frequency drivers and soft starts, electrical motors control and monitoring (pumps, compressors and fans).