Siemens 7SK80 Manual page 190

Siprotec motor protection
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Functions
2.11 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s)
Figure 2-64
Logic diagram of the V
> element for cos-ϕ /sin-ϕ measurement
N
190
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012

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