Save Time and Money with ELSCO Custom Bus Work

Save Time and Money with ELSCO Custom Bus Work

September 13, 2021

When you purchase a replacement or retrofit transformer, most likely its high-voltage and low-voltage connections will not line up perfectly with your existing infrastructure due to differences in transformer models, ratings or designs.  Low-voltage bus bar connections have to line up perfectly parallel, with matching bolt holes, and be bolted together without distorting forces to […]

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Round Coil vs. Rectangular Coil for Transformers

August 14, 2020

Substation transformers feature either a round or rectangular core and coil assembly. A transformer’s iron core and windings are designed to carry magnetic flux through the transformer, and the core is typically constructed in a round, rectangular or oblong shape — although oblong cores are much less common in dry tape transformers. Round and rectangular […]

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Disc Wound vs. Layer Wound Transformer

August 14, 2020

One of the most common questions when selecting a medium voltage transformer is whether to choose a disc wound or a layer wound option. Understanding the difference between layer and disc wound transformers is crucial for optimizing your medium voltage applications, as each type features unique benefits and drawbacks. Call Us Today Differences of Disc […]

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Copper vs. Aluminum Dry Type Transformer Windings

August 11, 2020

Dry type transformers typically feature either copper or aluminum windings, also known as coils. Transformer windings refer to the coils within the transformer that draw and distribute power inside the unit. There are typically two windings in a dry type transformer — one that draws power from the source and another that transfers that power […]

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Guide to Oil-Filled Transformer Maintenance

August 6, 2020

Jump To: Routine Maintenance for Oil-Filled Transformers Daily Maintenance Weekly & Monthly Maintenance Yearly Maintenance Oil-Filled Transformer Maintenance Checklist Potential Problems with Oil-Filled Transformers The Benefits of Preventive Maintenance for Oil-Filled Transformers Transformer Inspections Regular maintenance is a major part of keeping your oil-filled transformers in good working condition. Without scheduled upkeep, your transformers will […]

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Guide to Transformer kVA Ratings — How to Determine What Size Transformer You Need

July 31, 2020

Jump To: How to Determine kVA Size Calculating kVA Size Start Factor Specialty Considerations Standard Transformer Sizes How to Determine Load Voltage How to Determine Secondary Voltage How to Determine Primary Voltage Single-Phase kVA Ratings Three-Phase kVA Ratings In many industries, including health care, manufacturing, electrical contracting, higher education and corrections, reliable, high-quality transformers are […]

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DOE Efficiency Standards for Transformers

April 3, 2020

Jump To: What Are The DOE Efficiency Standards? Benefits of Efficiency Standards to the Customer and the Industry How to Comply With Efficiency Standards Impacts of DOE Regulations and Compliant Transformers More than 40% of the energy used in the U.S. is consumed by building operations, including the electrical equipment and appliances within those buildings. While this […]

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Can You Answer These Questions About Your Transformer?

November 7, 2019

Transformers are often an afterthought. They don’t experience failures that often – but when they do, the costs can be devastating. The biggest impact for an unplanned failure is the cost for your facility to not have power. How long can your facility be without power? For some manufacturers, every hour could cost you tens […]

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Getting a Cheap Transformer–What You’re NOT Paying For

June 28, 2019

Jump To: You’re NOT Paying for Quality Materials You’re NOT Paying for Efficient Design You’re NOT Paying for a Long Lifespan You’re NOT Paying for Build Expertise In a perfect world, mechanical breakdown wouldn’t happen. After all, every piece of mechanical infrastructure come with significant cost, and it would be ideal if they could all last forever. Unfortunately, breakdowns […]

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