Siemens SIPROTEC 7UM62 Manual page 71

Multifunctional machine protection
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Functions
2.9 Definite-Time Overcurrent Protection (I>>, ANSI 50, 51, 67) with Direction Detection
Figure 2-15
Logic Diagram of I>> Stage with Direction Element
SIPROTEC, 7UM62, Manual
71
C53000-G1176-C149-7, Release date 03.2010

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