Transformer Oil Purification Systems

Present and future transformer ratings require high quality and high purity insulating oils at the point of use. The increasing voltage and rating of the modern transformer and electrical apparatus results in greater electrical stress in insulating material and fluids. To handle these greater stresses, oils with better dielectric qualities are required. Also lower residual water content in insulating fluids and material must be maintained. The proper treatment and upgrading of the insulating fluid will result in the improvement of the properties of the entire insulating media of power transformers. The principal functions of the insulating fluid are to serve as a dielectric material and as an effective coolant. To perform these functions, the insulating fluid must have the necessary qualities at the time of initial impregnation and filling at the factory and later maintain the same quality in the field operation. ENERVAC’s High Vacuum Process upgrades the new or used electrical insulating fluids including transformer oils, polybutenes and silicone fluids. These systems and equipment were developed as a result of 50 years of experience in vacuum treatment of electric insulating fluids.

NEW – ENERDry-Transformer Dry-Out System– NEW

• Extends service life of transformer by extending the service life of the insulating system (paper & oil).
• Transformer remains in service during processing (no lost revenue due to down time).
• Reduced processing costs in relation to other processes.
• Maintains low moisture levels in transformers in service.

Transformer Oil Purifier / Degasification (E865A) High Performance

• Upgrading of new and used electrical insulating liquids, transformer oils & silicones.
• High Vacuum process removes free and soluble water.
• Removes free and dissolved gases and particulate matter.
• Mobile and stationary units available in sizes from 50 to 6,000 GPH.

Transformer Oil Purifier / Degasification (EHV)

• Upgrading of new and used electrical insulating liquids, transformer oils & silicones.
• High Vacuum process removes free and soluble water.
• Removes free and dissolved gases and particulate matter.
• Mobile and stationary units available in sizes from 200 to 23,000 l/h.

Portable Transformer Oil Purifier/Degasifier (E865C)

• Mounted on a hand cart with 10″ (25 cm) pneumatic tires.
• Connection provided for vacuum controller.
• Pump blank off pressure 20 micron.
• Operates unattended.

Mobile Circuit Breaker Oil Purifier (E858M)

• Extend the life of oils used in transformers, circuit breakers, voltage regulators and switch gear.
• Completely mobile and certified for highway travel.
• Cart will retrieve the fluid, flush and fill oil filled circuit breakers.
• Removes carbon, water and particulates from oil.

On-Line Tap Changer Oil Purifier (TFS-2)

• Reduces carbon, water and metallic particles in tap changers.
• Operation and maintenance costs are reduced.
• Dielectric strength of the oil remains high.
• Contact wear and coking is reduced.

Insulating Oils Purification Fuller’s Earth Filter (E575A)

• Removes acids and soluble surface acting contaminants by adsorption.
• Increases the IFT of the oil and reduces PF (Power Factor) to desired levels.
• Positive protection assures migration-free, sparkling clean effluent.
• Various sizes and configurations are available, mobile or stationary.

Transformer Oil Regeneration Plant (E575R)

ENERVAC’s Transformer Oil Regeneration Plant provides all the benefits of Fuller’s Earth treatment without the associated problems of contaminated clay disposal or the high cost of replacing saturated earth. At the end of the useful lifetime of the regeneration media, normally 300 times longer than Fuller’s Earth, it is simply disposed of in a normal landfill site. Ideally suited to large throughputs, the plant is available in either a mobile or stationary version.

Electrical Transformer Oil Purifier / Poly Chlorinated Biphenyl (PCB) Decontamination

• Cost effective destruction of P.C.B.’s, Patented technology.
• Restores oil for reuse.
• Reclassifies transformers.
• Totally enclosed mobile system, EPA / MOE approved.

Cascade Refrigerated Cold Trap E861B

• Unit is designed to trap condensable vapours (usually water) during transformer drying process
• Capable of pressures in the low micron range and a plate temperature of -85°F
• Provides fast dry-out of “wet” transformers