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Figure 2-163
Figure 2-164
But if the internal automatic reclose function is controlled by the pickup (only possible for 3-pole tripping: 110
Trip mode = 3pole only), the phase-selective pickup signals of the external protection must be connected
if distinction shall be made between different types of fault. The general trip command then suffices for tripping
(No. 2746). Figure 2-165 shows a connection example.
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
Connection example with external protection device for 1-/3-pole reclosure;
AR control mode = with TRIP
Connection example with external protection device for 3-pole reclosure;
AR control mode = with TRIP
2.17 Automatic Reclosure Function (optional)
Functions
331
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