ARTURO SILVERIO

ELECTRICIAN at CITY CEMENT COMPANY

• Saudi Arabia - Riyadh
• June 2009 to January 2015

 Having knowledge of MCU motor control by ABB.
 Attend to all equipment breakdowns and planned maintenance work with minimum direction.
 Working system and maintenance different types of motor like; AC single phase
motors, 3 phase motors squirrel cage and slip-ring induction motors of different capacities ( up to 6000 KW, 11 KV, 60 HZ ) and switchgear systems, D.O.L starter, R.D.O.L starter, Star-Delta, Liquid Resistance Starter ( L R S ) Soft Starter, and Frequency inverter, ( THYRISTOR / IGBT & IGCT ) of ABB ACS 600, ACS 800, ACS 1000.
 Following preventive maintenance schedule like: Greasing of motors and vibration analysis of motor works to be carried out in accordance with the safety.
 Operation and maintenance of Switchgears M.V Breakers of Siemens and ABB Vacuum Circuit Breaker of voltages up to 11Kv.
 Operation and maintenance of Switchgears L.V Breakers of Siemens and ABB
Air Circuit Breaker of voltages up to 440v.
 Responsible to carry out work in accordance with the Company’s Operating Safety and Regulations.
 Transformers with different ratings and AVR Controlled OLTC Transformers up to 11 KV, checking winding resistance and other maintenance.
 Electrical controls centralized A/c plant, Chillers Unit, Air compressor plant, Water treatment plant, Emergency generator systems, Battery Charger, and Battery maintenance.
 Electrical Overhead Traverse E .O. T Cranes of different capacities, I/O modules & control systems.