Specialized Engineering Services, Inc.

Comprehensive electrical testing and maintenance per NETA and IEEE standards for utility, industrial, and commercial substation equipment.

• Circuit Breaker Testing

  Primary and secondary current injection testing, contact resistance, and insulation resistance evaluations for low, medium, and high-voltage breakers.

• SF6 Circuit Breaker Testing

  Testing and diagnostics for SF6 equipment, including power factor, time-travel analysis, contact resistance, and laboratory analysis of gas samples.

• Medium Voltage Vacuum Circuit Breaker Testing

  Specialized testing including vacuum bottle integrity, high-potential frame tests, contact resistance, and timing analysis of breaker contacts.

• Transformer Testing

  Power and instrument transformer diagnostics including insulation resistance, power factor, oil sample analysis, and inspection of heat and fan circuits.

• Protective Relay Testing

  Electrical testing, calibration, and operational simulation of substation relays to ensure proper system protection.

• High Potential (Hi Pot) Testing

  Nondestructive insulation testing to determine adequacy under transient over-voltage conditions.

• Fall of Ground Potential Testing

  Testing and measurement of grounding electrode systems to ensure safety and system protection.

Precision calibration of substation components and instrumentation per regulatory and safety standards.

On-site and off-site repair, equipment rebuilding, and safety studies for power distribution systems.

• Circuit Breaker Repair & Rebuild

  Basic repair, troubleshooting, complete manufacturer-spec rebuilds, and 10-year overhaul services for SF6 and vacuum breakers.

• Trip Unit Retrofits

  Replacement of older trip units with modern electronic solutions such as AC PRO to extend equipment service life.

• Power Systems Engineering

  Electrical coordination studies, short-circuit calculations, and arc flash hazard mitigation analysis.