Welcome to Voltec
Empowering Industries with Reliable Solutions
Our Services
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Installations
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480V-765kV Class Assemblies
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Oil Processing, Vacuum Filling & Dry-Outs, Recirculation
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N2 & Oil Leak Detection
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Prelim. & Post Testing
Repair & Maintenance
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All OEM Repairs/Maint.
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OLTC Maint. & Repairs
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Re-gasketing
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Retrofilling (Mineral, Midel, FR3, Luminol, etc.)
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HV, LV, TV Bushing Replacements
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Radiators, Cooling Fans, and Pump Replacements
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Gauges, RTDs, Breakers, Relays, Ancillary Devices, etc.
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Electrical Testing
Electrical Testing per IEEE C57.12.90/00 & NETA
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Transformer Turns Ratio (TTR)
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Winding Resistance w/ V-Plots & Temperature Extrapolation
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Overall & Bushing Power Factor
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Hot Collars
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Exciting Current
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Sweep Frequency Response Analysis (SFRA)
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Leakage Reactance (Per Phase & 3-Phase Equivalent)
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Current Transformer Testing (Saturation Curves, Ratio, Secondary Winding Resistance, Burdens, Insulation Resistance)
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Controls/Alarms & Trips/Ancillary Devices
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Transport Services
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Heavy Hauling
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Parts/Components Trucks
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Jack & Slide
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Rail System
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Crane Services
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Offloading onto Pad/Truck
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Onloading onto Pad/Truck
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Disassembly of Parts/Components
Relocations/Term Storage
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Disassembly & Parts Components Relocations
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Reinstallations/Commissions
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Locate & Secure Long-Term Storage
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Locate & Secure Short-Term Storage
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Offloading onto Pad/Truck
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Onloading onto Pad/Truck
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3
F.A.T. Witness & Review
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Witness Routine/Dielectric Testing & Reporting
Manufacturing Process Consulting
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Witness Core & Coil Production
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Witness Tanking Process
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Witness Controls Assembly
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Witness Mock-Up & Final Assembly
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Witness RTS (Ready-To-Ship) Process
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Field Consulting & Process Supervisions
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Witness Installs/Commissions
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Inspections
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​Witness Oil Processing/Recirc.
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Witness Electrical Testing
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Testing Reviews & Reporting
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Troubleshooting
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Preventative Fault Investigations
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Full Inspections & Advise on Findings of Overall Transformer Condition
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Fault Investigations
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Determine Root Cause & Corrective Action
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