Transformer Testing | Winding Resistance Measurement
Автор: Engineering Simple
Загружено: 2020-07-03
Просмотров: 26118
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Transformer Testing | Winding Resistance Measurement
Transformer winding resistance measurement is required for various reasons. Winding resistance can be used to compare field measurement to factory measurements during maintenance cycles or during commissioning prior to placing the transformer in service. Resistance can be used to correct load losses to reference temperatures, calculate temperatures using resistance method during temperature rise test, check for continuity. Understanding transformer winding resistance measurement is very important.
The video shows examples of circuit connection to measure winding resistances in Y and delta connections as well as an example of converting resistance measured at a certain temperature to another temperature. This exercise illustrates the dependence of resistance on temperature.
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