From incoming utility line power to the power that operates your equipment, we offer the capabilities to extend the life of your existing equipment and improve its reliability, while increasing performance capabilities and maintaining safety. Our technical staff has extensive expertise with transformers, circuit breakers, switchgear and electrical components manufactured by all major OEMs.
Transformers
- Transformer Repair, Rewind, and Remanufacture
Magnetech reconditions, repairs and remanufactures all manner of oil filled, dry type core-form and shell form transformers.
- 100 KVA – 25,000 KVA (base rating), <= 69 KV – rectangular layer, circular layer, circular disc, circular helical and shell form design
- Substation transformers
- Unit substation, padmount, distribution transformers
- Furnace transformers
- Rectifier transformers
- Network transformers
- Precipitator transformers
- Train transformers
- Mobile substations
- Voltage regulator maintenance
- Transformer Field Repair Services
In the field, Magnetech is skilled in regasketing, and in the repairing and replacing of coolers, valves, fans, controls, wiring and accessories.
- Bushing Replacement
- Turnkey Services – transformer relocation, assembly, installation, commissioning
- Internal Inspection and Repair – lead repair, no load tap changer (NLTC) repair, re-blocking
- Fluid Service – oil reclamation, oil dehydration, oil degasification, vacuum filling, vacuum dry-out
- Load Tap Changer (LTC) Inspection and Maintenance
- Transformer Oil Testing Services
Transformer oil can unfortunately be an overlooked maintenance issue. Magnetech is prepared for: oil testing, sampling, interpretation, recommendation and execution of such.
- In-service insulating liquid
- Solid insulation testing
- Dissolved gas analysis (DGA), oil screen/liquid screen (OS/LS), Karl Fischer moisture (KF), liquid power factor (PF), inhibitor, dissolved metals (ICP), Furan, polychlorinated biphenyls (PCB), and degree of polymerization (DP)
- Sampling services
Circuit Breakers
- On-site preventative maintenance and testing
- Low & medium voltage repairs, reconditioning and refurbishment
- Low voltage trip unit retrofits
- Medium voltage air-to-vacuum conversions
- Low voltage/medium voltage starter conversions
- High voltage field services
- Oil circuit breakers
- Turnkey upgrades
Switchgear
- All manufacturers
- Custom preventative maintenace programs
- Shutdown/outage maintenance
- Thermographic inspection and analysis
- Cleaning
- Full testing, including switches, bus work, high current injection, relays, network protectors, transformers, cables
- Turnkey switchgear upgrades
Custom Bus Fabrication
- Shear, bend, punch up to 1/2″ x 6″ copper bus bar
- Common size copper bus in stock, including epoxy-coated bus
- Emergency power system restoration
- Match-up switchgear additions
- Rectifier bus additions
- Intricate bus configurations
- Consistent repetitive bends
- Shop manufactured fluidized bus
Hydro/Turbo Power Generation
- Turbine repair and rebuild (steam, gas, coal, hydro)
- Stator inspection and testing
- Rotor and stator alignments
- PM and scheduled maintenance
- Stator rewinds and coil repairs
- Restack, repair, reinsulate, replace core laminations
- Manpower and materials for complete on-site stator rewinds
- Exciter reconditioning