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Toroidal Power Transformers Maximize Efficient Energy Flow

Staff Writer
1/31/2019 | 5 min read
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Toroidal Power Transformers Maximize Efficient Energy Flow

What Is a Toroidal Power Transformer?

Toroidal transformers use toroidal cores to efficiently facilitate energy flow. In this configuration, both the primary and secondary coils wind around a core.

Like all transformers, toroidal transformers operate via electromagnetic induction. In this process, current flows through the primary coil, which induces an electromotive force. The current then flows through the secondary coil, transferring power between the primary and secondary coils. These transformers tend to be highly efficient as their design allows for the use of shorter coils than those of other types of transformers, in turn reducing energy loss in the system. 

This efficiency makes toroidal transformers extremely popular across a variety of machines. These transformers appear in any application that seeks to limit energy loss in transit, such as in current and instrument transformers. Toroidal transformers also help in audio/visual equipment, medical equipment, industrial control equipment, and other types of equipment that value small sizes due to toroidal cores’ compact nature. 

Advantages of Toroidal Power Transformers

When compared with their traditional counterparts, toroidal transformers offer many advantages:

  • Compact: These transformers’ compact size allows them to use far fewer materials in construction than conventional power transformers. This results in toroidal transformers weighing as much 50% less than other transformers.
     
  • Stray field prevention: Toroidal power transformers don’t interfere with other technology. They emit very low electromagnetic fields, causing 85–95% fewer problematic stray magnetic fields when compared with other transformers. This low magnetic leakage allows toroidal transformers to operate well in tight spaces or in close proximity to sensitive circuits.
     
  • Low mechanical hum: Toroidal power transformers make less noise than conventional transformers, due in large part to their small size.
     
  • Highly efficient: Combining compactness, contained magnetic fields, and efficient general designs, toroidal cores offer very user-friendly, effective electric conduction. Typical efficiency figures show 95% of the magnetic flux flows in the same direction of the grain in the core, a number that blows conventional transformers out of the water.
     
  • Easy to mount: Unlike other transformers, toroidal power transformers can be mounted anywhere, making installation a breeze in most applications. They feature only a single center bolt, which greatly reduces assembly time.
     
  • Low magnetic leakage: Thanks to these transformers’ symmetrical design, very little magnetic flux escapes from the core. This contributes to both these tools’ efficiency and their ability to help in situations that seek to prevent interference to adjacent circuits. Many industries find these advantages make toroidal power transformers superior to conventional power transformers.
     
  • Customizable: You can easily customize toroidal transformers to your specific needs. No matter their intended use, toroidal power transformers can fit any diameter or height.

Efficient Designs Lead to Enhanced Mobility

Toroidal transformers offer many advantages over traditional power transformers. Their simple, efficient design allows for easy implementation in a number of applications with minimal energy loss. With the successful adoption of toroidal transformers, your next project will preserve both space and energy efficiency.

 

Image Credit: Ramona Heim / Shutterstock.com

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