Electrical Testing & Commissioning

Our comprehensive electrical service offering includes:

Start-up/Commissioning/Retro-Commissioning/Acceptance Testing

• Testing and commissioning
• Grounding system testing
• Infrared thermography
• Protective relay calibration
• Cable testing
• Cable terminations and stress cones
• Underground cable and fault locating
• Breaker/relay retrofits and upgrades
• Transformer oil testing/analysis/processing
• High-voltage transformer load tap changer repair
• High-voltage transformer leak repairs/re-gasketing
• High-voltage transformer bushing replacement
• Electrical acceptance field testing
• High-Potential testing
• Switchgear & motor control maintenance
• Medium and low-voltage start-up and commissioning for VFDs
• SCADA configuration, system integration and commissioning

Electrical System Acceptance Testing and Start-Up Services

Electrical system acceptance testing and start-up services confirm that equipment is installed correctly, performs in accordance with design intent, and complies with applicable industry standards and project specifications. Our comprehensive testing programs establish a documented performance baseline to support long-term maintenance, troubleshooting, and asset reliability.

Saber Power Field Services deploys experienced field engineers and NETA-certified technicians equipped with state-of-the-art, company-owned testing equipment to execute safe, efficient energization. From substations and utility infrastructure to industrial facilities and commercial buildings, we support timely commissioning and successful project turnover.

Preventive Maintenance and Repair

• Primary current injection testing
• Switchgear modifications, upgrades and repair
• AC/DC high-potential testing
• Oil and gas analysis
• Infrared analysis
• Breaker retrofits, reconditioning and repair
• Degradation monitoring and trending

Substation and Power Delivery Testing

Saber Power Field Services provides comprehensive substation and power delivery testing to ensure system reliability, protection integrity, and regulatory compliance. Proper inspection, testing, and calibration of protective devices significantly reduces the risk of nuisance tripping, equipment damage, arc flash incidents, and unplanned outages.

Our technicians follow industry best practices and applicable standards to validate that protection and control systems perform as designed—protecting both personnel and critical infrastructure assets.

The following services are included in our Substation & Power Delivery Testing offering:

• Protective relay testing (electromechanical, solid-state, and microprocessor-based)
• Relay calibration and settings verification
• Circuit breaker inspection, testing, and timing analysis
• Current transformer (CT) and potential transformer (PT) testing
• Power transformer testing and diagnostics
• Functional trip and control scheme verification
• SCADA and control wiring verification
• Ground grid and grounding system testing
• Battery system and DC control power testing
• Commissioning support and energization services
• NERC/FERC compliance testing documentation (as applicable)
• Preventive and predictive maintenance testing program

Maintenance Contracts

• Custom preventive maintenance
• Monthly inspection of substations
• Total combustible gases checked
• Transformer inspections
• Annual testing of incoming line equipment
• Substation battery inspections and maintenance
• Scheduled outage services
• Infrared analysis

Generator Tests

• ELCID and RTD testing
• Winding resistance, polarization Index
• DC high-potential and tan-delta testing

High-Voltage Tests

• Circuit breaker timing
• Transformer winding resistance
• Transformer turns ratio
• Insulating fluid analysis
• Dissolved gas analysis
• Power factor analysis
• Instrument transformer tests
• Protective relay calibration
• Infrared analysis

Low-Voltage Tests

• Functional test of components and systems
• Insulation test
• Contact resistance
• Primary current injection

Protection & Control

• Testing and calibration
• Upgrades and retrofits
• Electro-mechanical and digital
• SEL relays, Basler relays, GE relays, ABB relays, and more
• All major manufacturers, past and present

Variable Frequency Drives (VFD)

• Consultation, installation and commissioning support
• VFD/SSS application support
• After-market site inspection, maintenance, troubleshooting
• VFD/SSS preventive maintenance:
  • Fault history analysis
  • Cleaning and testing of transformers
  • Rectifier modules
  • Inverter modules
  • Current and voltage transformers
  • Reactors
  • Vacuum contactors
  • Protective relays/devices
• VFD/SSS troubleshooting and repair:
  • Fault analysis,
  • Troubleshooting,
  • Part repair/Replacement
  • Testing
• Low voltage VFD harmonic analysis
• Medium voltage VFD synchronous transfer troubleshooting
• Solid state starter commissioning

Uninterruptible Power Supply (UPS)

• Associated battery system testing, repair and replacement
• Breaker testing
• Transfer switch testing
• Inspection and cleaning
• Contact and insulation resistance tests
• Filter replacement
• Power system monitoring
• Thermal survey

24/7 Emergency Electrical Field Service

• High, medium and low-voltage circuit breaker repair and replacement
• Power and distribution transformers repair and changeout
• Oil circuit breaker repair and changeout to SF6
• Instrumentation and meters
• Rotating machinery – motor/generator and motor winding testing and repair
• Battery inspection, testing and maintenance
• Ground fault monitors
• Technical training services