Samuel Aboagye

• Creating, reviewing, and managing teamwork schedules.
• Managing team workflow.
• Coordinated with vendors and contractors as needed for repairs or upgrades that require specialized skillsets or expertise, and reviewing invoice and Bill of Material received from contractors.
• Induct and train, electrical technicians, graduate trainee and national service personnel into role on our standard operating procedures (S.O.P) and isolation procedures.
• Supervise in shutdown maintenance on primary extraction fans and substation.
• Provide technical assistance to the project team.
• Conducting site acceptance test on Electrical Equipment’s (transformers, MV circuit breakers, RMU etc.) Both underground and surface.
• In charge of maintaining: Surface mine-wide substations, Generators (2MVA and 2.5MVA Gensets), Transformers, MV circuit breaker, Overhead lines
• Implemented safety protocols for handling low and medium voltages; monitored adherence at all times.
• Providing technical report to electrical superintendent.
• Lead team member in discussing and reviewing the Standard Operating Procedures.
• Took ownership of electrical crew schedule, developing short- and long-term look ahead schedules to align with execution plans.
• Evaluating mid year and annual team performance and provide constructive feedback for improvement base on their key performance indicators (KPI’s).
• Delegated duties to employees based on skillset.

Obuasi redevelopment project.

Decommission phase.

• Decommission of transformers, Sub-station electrical cables, electrical fittings, and panels (Reyrolle panels).

Building phase

• Testing of distribution transformers, current and voltage transformer (Site Acceptance Test – S.A.T)
• Retrofits on substation panels from Reyrolle switchgear to ABB switchgear
• Installation of three new switching room panels.
• 34 panels with busbar rating of 2000A (mine main MV distribution substation)
• 21 panels with busbar rating of 2000A (mine main generator set MV panels)
• 19 panels with busbar rating of 1250A (supply to part of air compressor and underground)
• Running of cables, both Medium Voltage and Low Voltage cables.
• Labeling of all electrical cables and switchgears.

Commissioning Phase.

• Final testing of interlocks and the protection relays.
• Energize electrical panels.

Substation Maintenance.

• Shutdown maintenance on primary ventilation fans (1300KW, 1850KW), motors, transformers, mine-wide emergency generators and substation
• Repaired faulty wiring or replaced defective parts to restore functionality of circuits and systems.
• Conducted performance tests on newly installed equipment to ensure optimal operation.
• Testing of equipment earthing.
• Transformer repairs.
• Transformer oil sampling.
• Technical auditing (Electrical installation/equipment auditing)
• Preparing reports based on the technical auditing.
• MV and LV cable termination and jointing.
• Testing of Electrical installation (transformers, circuit breakers, relays etc.)
• Overhead lines inspections/maintenance.

• Installations of transformers
• Power lines work (medium and high tension)
• HV Substation Operating Maintenance (161/34.5/11.5kV substation)
• Installation of energy meters.
• Inspected electrical systems, equipment and components to identify hazards, defects, and the need for adjustment or repair.
• Developed test plans based on customer specifications and requirements.
• Implemented preventive maintenance protocols to reduce downtime due to system failure or malfunctioning components.
• Conducted performance tests on newly installed equipment to ensure optimal operation.

• Technical Auditing
• Functional test on final sub-circuit cables
• Functional test on supply and feeder cables
• Supervision of Electrical Equipment Installations (Distribution Panels, Pumps, fire Alarm, etc.)
• Preparing reports base on the technical auditing.
• Provided technical support for the installation and maintenance of various systems.
• Developed testing protocols to evaluate performance of new components or systems.
• Collaborated with other engineers on design projects to ensure safety and quality standards were met.
• Developed and implemented electrical engineering strategies, plans and designs.
• Analyzed test results to diagnose malfunctions in electrical systems.
• Utilized CAD software to create and revise electrical schematics and layouts.
• Created electrical system drawings, wiring diagrams, and schematics.
• Installed, tested, and maintained electrical equipment, including transformers, motors, and generators.
• Monitored project progress against established timelines in order to ensure timely completion.
• Oversaw the installation, testing, and commissioning of electrical systems, ensuring adherence to safety and quality standards.
• Determined appropriate cables, fuses and electrical elements to use during installation phase of weapons detection systems.