| 1. | The buzzing is usually from components such as transformer windings vibrating.
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| 2. | Separate low-voltage transformer windings supply lighting and the motors driving auxiliary machinery.
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| 3. | Large power transformers are filled with oil that cools and insulates the transformer windings.
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| 4. | The isolation between input and output is provided by the insulation on the transformer windings.
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| 5. | Efficiency is reduced by losses in transformer windings and power dissipation in the rectifier element itself.
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| 6. | It insulates and cools transformer windings.
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| 7. | Additionally, the use of a transformer allowed multiple independent power supplies from separate transformer windings for different stages.
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| 8. | The pulse train coming from the flyback transformer windings is converted to direct current by a simple half wave rectifier.
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| 9. | Copper used for the manufacture of transformer windings is in the form of wire for small products and strip for larger equipment.
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| 10. | Although the field and currents are shown in one direction, they actually reverse direction with the alternating current in the transformer winding.
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