Investing in a High-Quality Transformer Design
Replacing a failed transformer comes as an unwelcome surprise with an unanticipated and unavoidable expense. Facilities managers are immediately faced with two urgent questions — “How soon can we get power back?” and “How much is this going to cost?” The answers depend on some key decisions made in replacing the transformer, but the urgency of the questions implies that […]
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Why Do Transformers Hum? Understanding Transformer Noise
Loud equipment is often a nuisance, but it can also be a safety issue if it contributes to excessive noise levels. Transformers often hum or buzz, but it usually doesn’t mean anything is wrong with them. Humming can be a sign of normal operations and magnetic forces at work. Still, too much transformer noise can […]
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Different Degree C-Rise Options for Dry Type Transformers
Transformers are electromagnetic devices that change the voltage levels in a circuit. Most dry type transformers contain primary and secondary windings around a magnetic steel core. Power from the incoming voltage source flows through the primary winding, while the secondary winding converts the energy and transmits it to the load. The core supports the windings […]
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Why ELSCO Uses Class 220 Insulation in its Dry Type Transformers
ELSCO uses DuPont Nomex® Type 410 insulation exclusively in the windings of its medium-voltage dry type transformers because it provides the strongest protection against temperatureinduced failure for the longest period of time. Nomex® 410 is a NEMA/IEC Class 220 insulating material, for which the maximum allowable exposure temperature for safe use is 220°C. Insulation Has […]
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Industries That Use Transformers the Most
Many industrial and commercial operations depend on transformers to convert high voltages of electricity into smaller voltages they can use. Depending on the specific application, different transformer types with various ratings and capacities work better than others. ELSCO Transformers offers the high-performance dry type and padmount transformers that businesses nationwide trust the most. Top Industries That Utilize Transformers Examples […]
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When Do Most Transformers Begin to Fail?
Aside from regular maintenance requirements, most operations only pay attention to their transformers once they begin failing. In a perfect world, a new transformer will provide continuous, uninterrupted service for several decades. However, lesser-quality builds often produce much shorter life spans, resulting in power interruptions and unwanted downtime. Initials Signs of Transformer Failure When a […]
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C-Rise Insulation Options for Dry Type Transformers
Because transformers convert power into higher or lower voltages, they generate heat as a byproduct. This heat causes increased temperatures in the transformer’s internal components, including the primary and secondary windings. A transformer’s temperature rise — or C-rise — is the average temperature of the windings in Celsius over the surrounding temperature when the transformer […]
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Warranties for Dry Type Transformers
Transformer manufacturers help meet the power needs of many applications for a broad industry range. Choosing a reliable manufacturer can ensure your transformers adhere to design specifications, deliver to you on time and provide long life spans. The most reputable transformer manufacturers stand above the competition by offering some of the industry’s most comprehensive product […]
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Types of Conductors Used in Dry Type Transformers
Dry type transformers usually contain windings — or coils — that act as conductors. Transformer builds typically have primary windings and secondary windings. The primary windings create input power flow, while the secondary windings convert the power and transmit it to the load through input leads. Transformers with disc windings have conductors wound on the […]
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How Long Do Dry Type Transformers Last?
Dry type transformers use circulating air to protect the internal components from overheating, unlike oil-filled units that use oil as a cooling medium. Dry type units work exceptionally well for indoor operation because they contain nothing flammable, making them a perfect choice for commercial and industrial applications requiring high fire protection. Generally, if maintenance personnel […]
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