Remanufactured Transformers & Rebuilt Transformers by RESA Power

RESA Power is your trusted source for remanufactured transformers, offering high-quality refurbished, rebuilt, and reconditioned transformers at prices 60% to 70% lower than new units. Our remanufactured transformers deliver the same reliable performance as new models from original manufacturers, saving you time and money. With a large inventory of components and transformers, we can meet your exact specifications, providing cost-effective solutions for repaired or rebuilt power transformers.

Our industry-leading remanufacturing program ensures quick turnarounds and custom delivery schedules, often outpacing factory lead times by weeks or months. Backed by expert engineers, we extend the lifespan of electrical transformers through comprehensive rebuilding and reconditioning for maximum durability and efficiency. Contact RESA Power today for a quote and discover why we’re the top choice for remanufactured and rebuilt transformer solutions.

Transformer Remanufacturing

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REMANUFACTURING PROGRAM OVERVIEW

RESA Power is a trusted remanufactured transformer company, offering high-quality, repaired power transformers and refurbished electric transformers to meet your needs. Our rigorous remanufacturing process ensures every transformer is restored to original manufacturer specifications, delivering safety, reliability, and sustainability. With quick turnaround times, you won’t have to wait long for a fully rebuilt pre-owned transformer, helping you reduce, reuse, and recycle.

SEARCH OUR INVENTORY

As a leading supplier, RESA Power offers an extensive inventory of electrical equipment from major manufacturers. Our components are designed to extend the life of your equipment while maintaining quality and performance. Browse our inventory online anytime or request a quote to connect with a knowledgeable sales consultant. Whether you’re looking for a hard-to-find part or a fully refurbished electric transformer, we’re here to help you find the perfect solution for your needs.

Comprehensive Transformer Remanufacturing Services

Our four distribution and manufacturing centers across the United States provide high-quality service and support to every major metropolitan area.

Our reliable remanufacturing services includes:

Electrical testing following IEEE standards, including TTR, insulation resistance, winding resistance, power factor, and Hi Pot.
Baseline testing is performed before cleaning or maintenance for accurate analysis.
Internal inspection after removing the top cover and insulating fluid to assess equipment condition.
Cleaning and re-tinning of bushings, with all gaskets replaced.
Inspection, cleaning, and flushing of windings for optimal performance.
Verification of all electrical connections through mechanical and resistance testing.
Insulating fluids are reclaimed or replaced, then vacuum backfilled into the tank.
24-hour pressure testing at 5-6 psi to ensure durability.
Surface prep with sanding, rust removal, and bodywork before painting.
Final painting with a durable urethane or epoxy two-part topcoat.

Transformer Testing by RESA Power

At RESA Power, we ensure your industrial transformers and electrical systems function safely and efficiently. As a trusted transformer refurbishment company, we follow global standards to test and maintain your equipment. Every test helps extend the life of your core and coil, ensuring your refurbished transformers are reliable and ready for high voltage applications.

Key Electrical Tests We Perform:

Insulation Resistance Test: Measures the insulation’s strength and moisture levels to ensure your transformer works safely.
Polarization Index (PI): Checks the health of motor insulation. A PI value above 2.0 indicates good condition, while lower values signal potential issues.
Dielectric Absorption Test: Monitors the insulation’s resistance over time using the Dielectric Absorption Ratio (DAR) to assess insulation quality.
Winding Resistance Test: Confirms wiring integrity and detects potential damage by comparing resistance across all three phases of the core and coil.
Transformer Turns Ratio Test: Verifies there are no shorts, open turns, or incorrect connections, ensuring your industrial transformer operates properly at each tap.
Power Factor Insulation Test: Measures power loss in insulation, helping identify internal issues early and ensuring the longevity of your refurbished transformers.
Excitation Test: Detects core issues such as loose laminations, multiple grounds, or core-to-tank shorts by comparing core losses to original factory results.
Over Potential Testing (Hi Pot): Stresses insulation with higher voltage levels to evaluate its capacity and reliability for high voltage use.
Auxiliary and Functional Checks: Ensures additional pieces of equipment like fans, gauges, switches, and relays work as expected.

Our comprehensive testing and visual inspection processes ensure your transformers and other pieces of equipment meet industry standards and perform flawlessly. Trust RESA Power—a leader in transformer refurbishment and maintenance—to keep your systems running smoothly.

Expert Transformer Services & Maintenance

RESA Power does more than just sell transformers – we’re experts in repairing, maintaining, and servicing them! Whether you need repaired transformers, rewound transformers, or transformer oil servicing and purification, we’ve got you covered. Our services also include refurbishing, rebuilding, repairs, painting, testing, and custom solutions tailored to your needs. We handle step voltage regulators, reclosers, switches, breakers, and capacitors as well.

With over 35 years of experience, RESA Power, through Western Utilities Transformer Service, has been a trusted name for electrical solutions across the U.S. and Canada. Our centrally located California service center is equipped with factory-trained technicians, certified testing, and fluid labs to ensure your transformers get top-notch care, including essential oil maintenance.

From warranty repairs and installations to long-term maintenance, RESA Power is your go-to partner for all distribution and power transformer needs.

POLE MOUNT, PAD MOUNT, AND SUBSTATION-STYLE TRANSFORMERS

RESA Power offers a wide range of solutions for all your transformer needs, including pad-mounted, pole-mounted, vault, or substation transformers. Our expert Service Center specializes in transformer rebuilding, in-shop testing, modernization, and upgrades for transformers and substation equipment. We also provide 24/7 emergency services for most domestic and foreign OEM products, whether liquid-filled, dry-type, pole-mounted, underground, or substation transformers. Trust RESA Power for reliable and efficient transformer services.

1, 2, AND 3-YEAR WARRANTIES AVAILABLE

RESA Power offers warranties that cover products sold for either one, two, or three years. See our terms of sale for warranty details as needed. Reduce your installation lead time with our reliable remanufactured transformers. Save time and money by contacting RESA Power today!