Digital Phase Open & Reverse Phase & UnderVoltage Relay (GDR-JD01) User's Manual V1.10
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Kyongbo Electronics Co., Ltd.
3.2 Reverse Phase Function
This relay contains the Definite Time characteristic to be used for Reverse Phase
protection.
It operated by reverse phase when applied more than 40% of rated voltage.
Logic Diagram for Reverse Phase element operation is as follows.
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Figure 3.2
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RPR Logic Diagram
