What Does Shielding in a Transformer Do? A shield in a transformer is a grounded metallic barrier between the primary and secondary windings of the transformer, this barrier reduces the capacitive coupling and thereby increases the transformers ability to reduce high frequency noise.
What Does Shielding in a Transformer Do?
We recommend using a shielded Transformers for power conversion and distribution type applications, which include loads that are sensitive to high frequency noise. Typical loads are PLC controlled systerms, computers, and microprocessors.
In most power conversion applications without highly sensitive loads a unshielded transformers is typical. Examples using unshielded transformers would be appliances, lighting, and motorized machines.
In future blogs, we will discuss types of shields, advantages/disadvantages.
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