Power Distribution Field Services

National Field Services encompasses a wide range of testing and maintenance procedures intended to improve the dependability, safety, and efficiency of your equipment and facility. We are committed to being a leader in the field services and testing and maintenance industry.

Having the ability to service customers at their facilities, National Field Services can provide heavy onsite installation, testing and start-up services, and disaster recovery operations.

Engineering Services

Power System Studies
Short Circuit & Coordination Studies
System Failure Analysis
One-Line Development and Updates
Load Flow Analysis

Commissioning and Start-Up Services

Acceptance Testing - Commercial, Industrial, Utility, Co-Generation Plants
Vacuum Breaker Replacement
Grounding Systems
Cable Testing and Termination
Relay Testing

Rotating Equipment Services

Motor Starters and Controllers
Motor Control Buckets
Doble Testing
Insulation Testing

Maintenance Services

Substation Testing
Low Voltage Breaker Testing, Rebuild, and Retrofitting
Medium Voltage Breaker Testing and Rebuild
OCB, Vacuum, SF6 Breaker Testing and Rebuild

Transformer Services

Oil Degassifying and Vacuum Filling
Oil Shortage Capabilities
On-Site Transformer Repairs
Doble Testing
Load Tap Changer Maintenance and Repairs
Oil Testing and Filtering
Installation, Relocation, and Start-Up
Dehydration Breathers
Oil Filtration Systems for LTC
Inert Air Systems
LTC Replacement Parts and Upgrades

Power Quality Services

Power Quality Analysis
Power System Monitoring
Energy Audits

Battery and UPS System Services

Automatic Transfer Switch Maintenance
Cell Maintenance
Load Testing
Charger Inspection and Testing

On Site Testing, Maintenance, and Inspection

Low, Medium, and High Voltage Circuit Breaker Testing, Trouble Shooting, and Repair
Protective Relay Testing, Calibration, and Repairs
OCB and SF6 Testing and Repair
Switchgear Maintenance and Repair
Control Circuit Troubleshooting
OEM Support on all Manufacturer Equipment
Cable Testing - Both Power factor and Hipot
Breaker Mechanism Travel Testing
Prevention Maintenance
Infrared Surveys