
National Switchgear conducts power system testing and maintenance procedures to improve the dependability, safety, and efficiency of your power distribution equipment and facility. We are committed to being a leader in electrical equipment field services, testing and maintenance.
National Switchgear has the ability to service customers at their facilities, and provides heavy on-site installation, testing and start-up services, and disaster recovery operations.
Engineering Services
National Switchgear can help you maximize your power quality, improve electrical system performance, and minimize short circuits and system failures for your power distribution equipment.
- Power System Studies
- Short Circuit & Coordination Studies
- System Failure Analysis
- One-Line Development and Updates
- Load Flow Analysis
Commissioning and Start-Up Services
We can ensure the proper installation and management of your power system with thorough acceptance testing, as well as analysis and replacement for your breakers, grounding systems, cables and relays.
- Acceptance Testing - Commercial, Industrial, Utility, Co-Generation Plants
- Vacuum Breaker Replacement
- Grounding Systems
- Cable Testing and Termination
- Relay Testing
Rotating Equipment Services
Our rotating equipment field services can test your motors, generators, exciters, transformers and power cables, as well as buckets, feeder buckets and insulation.
- Motor Starters and Controllers
- Motor Control Buckets
- Doble Testing
- Insulation Testing
Maintenance Services
National Switchgear will help you maintain your power grid in the field by testing, rebuilding and troubleshooting your power distribution equipment.
- Substation Testing
- Low Voltage Circuit Breaker Testing, Rebuilding, and Retrofitting
- Medium Voltage Circuit Breaker Testing and Rebuilding
- Oil Circuit Breaker, Vacuum Circuit Breaker and SF6 Circuit Breaker Testing and Rebuilding
Transformer Services
National Switchgear is fully equipped for transformer testing and analysis, including oil testing, oil filtration and load tap changer replacements.
- Oil Degasifying
- 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 Load Tap Changers (LTC)
- Inert Air Systems
- Load Tap Changer (LTC) Replacement Parts and Upgrades
Power Quality Services
We’ll help ensure that the power quality driving your switchgear and electrical systems is high enough to keep your entire facility running efficiently.
- Power Quality Analysis
- Power System Monitoring
- Energy Audits
Battery and Uninterruptible Power Supply (UPS) System Services
With automatic transfer switches, cell maintenance and proper load testing, National Switchgear will ensure your battery performance can maintain a reliable back-up power system.
- Automatic Transfer Switch Maintenance
- Cell Maintenance
- Load Testing
- Charger Inspection and Testing
On Site Testing, Maintenance, and Inspection
Taking advantage of our field services means you will be able to apply rigorous on-site testing, maintenance and inspection directly to your facility’s power system.
- Low, Medium, and High Voltage Circuit Breaker Testing, Trouble Shooting, and Repair
- Protective Relay Testing, Calibration, and Repairs
- Oil Circuit Breaker (OCB) and SF6 Testing and Repair
- Switchgear Maintenance and Repair
- Control Circuit Troubleshooting
- Original Equipment Manufacturer (OEM) Support on all Manufacturer Equipment
- Power Factor Cable Testing
- Hipot Cable Testing
- Breaker Mechanism Travel Testing
- Prevention Maintenance
- Infrared Surveys
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Field Services