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A double wound transformer, also known as a two-winding transformer, is primarily used for voltage conversion in electrical systems, allowing for either step-up or step-down voltage levels. It is commonly utilized in power distribution networks to adjust voltage levels for transmission and utilization. Additionally, it facilitates isolation between circuits, enhancing safety and reducing interference in sensitive electronic equipment. Other applications include use in audio equipment for impedance matching and in power supply systems for providing the required voltage to various devices.

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