Because all high voltage networks must be inspected and maintained on a regular basis, we provide maintenance solutions tailored to suit individual requirements with the objective of total safety, efficiency, compliance and reliability.

SW Substation

High Voltage Tests

  • Power Factor Analysis
  • Transformer Winding Resistance
  • Transformer Turns Ratio
  • Insulating Fluid Analysis
  • Dissolved Gas Analysis
  • Circuit Breaker Timing
  • Instrument Transformer Tests
  • Protective Relay Calibration
  • Infrared Analysis

Low Voltage Tests

  • Primary Current Injection
  • Contact Resistance
  • Insulation Test
  • Functional Test of Components and Systems

Maintenance Contracts

  • Custom Preventive Maintenance
  • Monthly Inspection of Substations
  • Transformer Inspections
  • Total Combustible Gases Checked
  • Substation Battery Inspections & Maintenance
  • Annual Testing of Incoming Line Equipment
  • Scheduled Outage Services
  • Infrared Analysis

Preventative Maintenance and Repair

  • Primary Current Injection Testing
  • AC/DC Hi-Potential Testing
  • Oil and Gas Analysis
  • Infrared Analysis
  • Breaker Retrofits, Reconditioning and Repair
  • Switchgear Modifications, Upgrades and Repair

Substation and Power Delivery Testing

AFA Ghana’s power delivery testing services address the challenge of substation reliability. With proper testing and calibration of the protective devices, the likelihood of nuisance tripping and damage to substation equipment and personnel is reduced significantly.

The following services are a part of our Substation and Power Delivery Testing offering:

  • Transformer Testing and Repair
  • Oil Circuit Breaker Testing and Repair
  • SF6, Vacuum and Air Circuit Breaker Testing and Repair
  • Cable Testing
  • Station Battery and UPS System Testing
  • Protective Relay Testing and Calibration
  • Infrared Analysis