Siemens siprotec SJ62 User Manual page 142

Multi-functional protective relay with local control
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2.6 Voltage Protection 27, 59
The following figure shows the logic diagram for the undervoltage protection function.
Figure 2-46
Logic diagram of the undervoltage protection
140
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015

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