Dércio Ricardo

Experience

• 

  Cimentos de Moçambique

  Aug 2013 - Sept 2020

  Electrical and Instrumentation Technician

  Inspection of Electrical Panels: - Check for any loose connections. - Inspection for signs of overheating or burning. - Verification of the cleanliness of panels.Testing Circuit Breakers: - Test the operation of circuit breakers. - Check for proper labeling and information.Motor Maintenance: - Inspect motors for any signs of wear, overheating, or damage. - Remove material build up on motor fins - Lubricate motor bearings as needed.Transformer Maintenance: - Inspect transformers for leaks or abnormalities. - Check oil levels. - Test transformer insulation.Switchgear Inspection: - Verify the condition of switchgear components. - Test and calibrate protective relays. - Inspect control wiring.Electrical Cable Inspection: - Check the condition of cables and cable trays. - Look for signs of wear, damage, or corrosion. - Verify cable connections and terminations.Grounding System Check: - Inspect the grounding system for corrosion or damage. - Ensure proper grounding connections.Lighting System Maintenance: - Inspect and replace faulty light fixtures. - Check emergency lighting systems.Emergency Generator Testing: - Test the emergency power supply system. - Verify the proper functioning of generators and change ove.Electrical Safety Checks: - Conduct safety audits. - Ensure compliance with electrical safety standards. - Train personnel on electrical safety practices.Instrumentation Calibration: - Calibrate and test process instrumentation. - Verify the accuracy of sensors and transmittersUpdate Electrical Drawings: - Ensure that electrical drawings and documentation are up to date. - Revise drawings to reflect any modifications or additions.Thermal Imaging Inspections: - Use thermal imaging cameras to identify hotspots in electrical equipment. - Address any anomalies found during thermal inspections. Show less

• 

  Kenmare Moma Processing (Mauritius) Ltd

  Sept 2020 - now

  Calibration and Testing: - Calibrate instrumentation devices regularly to ensure accuracy. - Perform functional tests on various instruments and control systems.Troubleshooting: - Identify and troubleshoot issues with instruments, control valves, and sensors. - Investigate and diagnose faults in control loops.Preventive Maintenance: - Implement a preventive maintenance schedule for instruments and control systems. - Replace or refurbish worn-out components to prevent breakdowns.Instrument Installation: - Install new instruments and control systems as per design specifications. - Ensure proper wiring and connections during installation.Instrumentation Upgrades: - Upgrade outdated instrumentation systems to improve efficiency and reliability. - Stay updated on new technologies and recommend upgrades when necessary.Safety Checks: - Conduct safety checks on instruments and control systems to ensure compliance with safety standards. - Implement safety measures during maintenance activities.Instrument Loop Checks: - Perform loop checks to verify the functionality of control loops. - Optimize control loop parameters for better performance.Communication Systems Maintenance: - Maintain communication systems used for control and monitoring. - Troubleshoot and repair issues with communication interfaces.Training and Knowledge Sharing: - Train other personnel on the operation and maintenance of instruments. - Stay informed about the latest developments in instrument technology.Inventory Management: - Manage and update the inventory of spare parts for instruments and control systems. - Ensure that critical spare parts are readily available. Show less Safety Precautions: - Follow isolation/lockout/tagout procedures to de-energize equipment before starting any work. - Be aware of the location of emergency exits and first aid stations.Drives Maintenance: - Blow dust on filters and electric and electronic cards. - Periodically check and tighten electrical connections, including input and output terminals. - Ensure that the connections are secure to prevent overheating and voltage drops. - Inspection of the cooling system, including fans and heat sinks, to ensure proper heat dissipation. - Set up monitoring and alarming features to alert operators to any abnormal operating conditions. - Regularly review logs and alerts to identify potential issues. . - Regularly backup the VFD's configuration parameters to facilitate quick recovery in case of a fault or failure.Motor Maintenance: - Inspect and maintain motors used in pumps, conveyors, and other equipment. - Lubricate bearings according to the manufacturer's specifications.Control Panel Maintenance: - Inspect and clean control panels, ensuring they are free from water, dust, and debris. - Tighten electrical connections and check for signs of overheating. - Verify the functionality of control switches and emergency stop buttons.Lighting Systems: - Inspect and replace lighting fixtures as needed, ensuring they are suitable for wet environments. - Check for water accumulation in light fixtures.Grounding and Bonding: - Ensure that all electrical equipment is properly grounded to prevent electrical shock hazards. - Earth leakage tests.Documentation: - Keep accurate records of maintenance activities, inspections, and repairs. - Document any electrical modifications or upgrades made to the system.Training: - Stay updated on safety procedures and industry best practices. - Provide training to other personnel on electrical safety in wet environments. Show less

  • Senior Instrument Mechanician

    Jun 2023 - now

  • Electrician

    Sept 2020 - Jun 2023