Complete Service of Power Transformers and Load Tap Changers

Testing, start-up and commissioning, maintenance, repair dehydration, upgrades, diagnostic work and more

Saber performs a range of services for power transformers and tap changers, including maintenance, commissioning and installation. From small low-voltage pad-mounts to 765 kV equipment – no job is too large or too small.

Oil testing/analysis/processing
Full haul, rig, set, assemble and vacuum fill
Power factor testing – windings and bushings
Transformer turns ratio (TTR)
Sweep frequency response analysis (SFRA)
CT test – radio, polarity, saturation
Induced high-voltage
Impedance test
Winding resistance, excitation, insulation
Load tap changer services and repair
Acoustic/ultrasonic detection of partial discharge
Bushing replacements
Fuller’s earth oil reconditioning
Retrofit old LTC with new vacuum-arcing LTC
Leak repairs/regasketing
Gauge and meter repair/replacement
Hot oil treatment
D-sludging
Dehydration/degassing
Repair to original specifications
PCB changeouts
Fault analysis
Pressure clamping
Dissolved gas analysis
Valves repaired and added
Infrared scanning
Fluid retrofills – biodegradable
Transformer cleaning and painting
Maintenance agreements
Increased capacity – added fans, cooling
Increased cooling – added circulation pump/filters
Control upgrades and communications added
Online system monitoring and control
Transformer paining and encapsulation

Industries

Electric utilities, municipalities, and cooperatives; data centers; battery energy storage systems (BESS); renewable generation, solar, and wind; conventional generation; industrial and petrochemical; midstream oil and gas; commercial; manufacturing; mining; institutional; health care; government (state, federal and military)