Isolation Transformer

An isolation transformer is a transformer that does not change the voltage level but instead provides electrical isolation between the primary and secondary windings. This is achieved by: Galvanic Isolation

The primary and secondary windings are physically separated by an insulating barrier, preventing electrical current from flowing directly between them.

Voltage Isolation

The turns ratio of the transformer is 1:1, meaning that the voltage on the primary winding is equal to the voltage on the secondary winding.

Purpose

Isolation transformers are used for various purposes, including:

Safety

To protect equipment and personnel from electrical shock or ground faults.

Noise Filtering

To reduce electrical noise and interference between different circuits.

Medical Applications

To isolate medical equipment and patients from electrical hazards.

Laboratory Equipment

To provide a stable and isolated voltage source for sensitive electronics.

Power Distribution

To distribute power to different parts of a system without creating a common ground connection.

Advantages of Isolation Transformers



Electrical Isolation

Prevents current flow between circuits, enhancing safety and reliability.

Noise Reduction

Attenuates electrical noise and interference.

Fault Isolation

Limits the impact of electrical faults on other circuits.

Voltage Stability

Provides a consistent voltage output, even under varying load conditions.

Ground Loop Elimination: Breaks ground loops, improving signal integrity and reducing noise. Flag for review