Winding testing of transformers is performed to assess the integrity and condition of the windings, which are critical for efficient electrical performance. This test includes checks for continuity, resistance, insulation quality, and shorted or open turns. Common winding tests include DC resistance testing, which identifies imbalances or poor connections, and insulation resistance testing between windings and ground. These tests help detect issues such as overheating, aging, or mechanical damage. Conducted during manufacturing, commissioning, or routine maintenance, winding tests ensure the transformer operates safely and efficiently. Early detection of winding problems reduces the risk of failure and extends the transformer's service life.
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