Siemens 7SC80 Manual page 542

Siprotec compact feeder protection and recloser controller
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Technical Data
4.12 Negative Sequence Protection 46-TOC (Inverse Time Characteristic)
[ausl-rueckfall-schieflast-ansi-stark-extrem-170502-wlk, 1, en_US]
Figure 4-13
542
Dropout time and trip time characteristics of the inverse time unbalanced load stage, acc. to
ANSI
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017

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