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Finest Built, Hardest Working Dry Type Transformers Industry-wide, Worldwide

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Proud to
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Olsun Earns Recognition

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Get Your Transformer Quicker & On Time

From Olsun

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Olsun Featured Product

Grounding Transformers

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Marine Duty/ABS Transformers

Ocean Drilling

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Cast Coil
Sub Station Transformers

Rail

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Core & Coil
Sub Station Transformers

Medical

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Encapsulated HazPac or SilPac Transformers

Refinery

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Pad Mounted & Sub Station Transformers

University

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Core & Coil
Sub Station Transformers

Hospitality

Olsun Electrics is a leading dry type electrical transformer manufacturer that has been providing solutions to multiple industries in the most challenging environments for over six decades
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From any custom design imaginable to quick-turn standard units, Olsun Electrics can meet most any customer transformer application need.

Transforming the Power Industry with:

  • Dry Type Transformers
  • Specialty Need Expertise
  • Intricate Design Mastery
  • One-Off Manufacturing Capability
  • Highest Quality Craftsmanship
  • Standards Compliance Adherence
  • Peerless Engineering Knowledge

Learn More About Olsun’s Capabilities

Recent Projects

pad mounted cast coil transformer

Pad Mounted Cast Coil Transformer for University Campus Building

A large OLSUN Pad Mounted Cast Coil Transformer will provide the primary power to a campus building at public university.

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Medium Voltage (MV) Substations for Ship-to-Shore Cranes

Six OLSUN MV Substations were installed at major port to unload containers from ocean vessels to the dock terminal.

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Medium Voltage (MV) Substations to Power Electric Vehicle [EV] Fast Charging Stations

Two OLSUN MV Substations were installed at the headquarters of a global car manufacturer to power their electric vehicle fast charging stations.

transformer powers airport runway lighting

Pad Mounted Transformers to Power Airport Runway Lighting

Six medium voltage units will help light the way for planes at Chicago’s O’Hare International Airport.

power plant transformer

Substation Transformers Manufactured for Coal-Fired Power Plant

Four medium voltage units were custom manufactured for a 1.3 gigawatt, 1300 (MW) coal-fired power station in Indiana.

transformer liquified natural gas export facility

Substation Transformers Shipped to Liquified Natural Gas (LNG) Export Facility

Forty-six medium voltage units were custom manufactured for a LNG production and export facility located on the Calcasieu Ship Channel in Louisiana.

750kva medium voltage transformer

750kVA Medium Voltage Transformer to Help Rebuild Island Resort

Olsun Electrics has custom designed and manufactured a NEMA 3R Stainless Steel 316 Medium Voltage Substation Dry Type Transformer for Little Palm Island Resort & Spa.

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Substations for 35-Story Building on West Coast

Olsun Electrics custom designed five NEMA 1 Cold Rolled Steel Substation Dry Type Transformers for a 35 story mixed-use tower located in the Historic Core of Downtown Los Angeles.

natural gas plant transformer

Pad Mounted Transfomers for New Natural Gas Processing Plant

Olsun Electrics custom designed and manufactured three NEMA 3R Cold Rolled Steel Pad Mounted Dry Type Transformers for an Energy Project in New Mexico.

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Cement Manufacturing Plant Medium Voltage Substation

One Medium Voltage Sub Station Transformer was shipped to a huge cement supplier in Florida.

steel manufacturing plant medium voltage substation

Steel Manufacturing Plant Medium Voltage Substation

Two transformers were shipped as part of this project aimed at upgrading a major steel plant in Ohio.

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Construction Aggregates Processing Plant Load Interrupter Switchgear

Load Interrupter Switchgear was shipped to a leading producer of sand and gravel throughout the Midwest.

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Olsun Featured Product: Grounding Transformers

A properly designed and installed grounding transformer will protect an isolated three phase system in the event of a line-to-ground fault by providing a low impedance path to ground for ground fault currents to flow while prohibiting voltage rise in the un-faulted phases and accommodating the connection of phase-to-neutral loads if required.

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Hot Topics

New Press Brake Improves Setup, Accuracy and Programming for Sheet Metal Fabrication

Olsun Electrics has invested in a new Amada 110-Ton Press Brake for our sheet metal fabrication operation. We fabricate all the ventilated, encapsulated, load interrupter, pad mounted and substation enclosures at our facility here in Richmond, Illinois.

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