[7sj6x-erdfehler-iee-cos-sin-20061206, 1, en_US]
Figure 2-86
Logic diagram of the Ι
Ns
elements for cos-ϕ -/sin-ϕ measurement
Ground Fault Detection for V0/I0-ϕ Measurement
Voltage Element
The voltage element relies on a pickup initiated by the displacement voltage V
0
or 3 · V
0
. Additionally, the
faulty phase is determined. The displacement voltage V
0
can be directly applied to the device, or the summary
2.13.2
Functions
2.13 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s)
206 SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016
To Next Page
Loading...
Need help?
General
