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Siemens siprotec 7SD5 User Manual

Siemens siprotec 7SD5
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2.15 Automatic Reclosure Function (optional)
299
7SD5 Manual
C53000-G1176-C169-1
Figure 2-126 Connection example with external protection device for 1-/3-pole reclosure; AR
control mode = with TRIP
Figure 2-127 Connection example with external protection device for 3-pole reclosure; AR
control mode = with TRIP
But if the internal automatic reclose function is controlled by the pickup (only possible
for three-pole tripping: 110 Trip mode = 3pole only), the phase-dedicated 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 2-128 shows a connection example.
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Siemens siprotec 7SD5 Specifications

General IconGeneral
BrandSiemens
Modelsiprotec 7SD5
CategoryRelays
LanguageEnglish

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