MiCOM P632
Angle Determination
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The P632 determines the angle between the following currents if the associated currents exceed the minimum threshold of 0.033 Inom:

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Angle between the phase currents for each end of the transformer

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Angle between the currents of the same phase between two ends of the transformer

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Angle between the derived residual current and the current measured at the transformer -Tx4 (see Chapter “Location and Connection Diagrams”) for each end of the transformer

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Fig. 3-53: Determination of the angle between the phase currents, shown here for end a

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Fig. 3-54: Determination of the angle between the phase currents of the transformer ends

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Fig. 3-55: Determination of the angle between the derived residual current and the current measured at transformer -Tx4