2 Functions
164
7UM61 Manual
C53000-G1176-C127-3
The following figure illustrates the course of events during an unwanted connection at
machine standstill and, contrast to this, during a voltage collapse on short circuit close
to generator terminals.
Figure 2-61 Chronological Sequences of the Inadvertent Energizing Protection
2.27.3 Settings
The table indicates region-specific presettings. Column C (configuration) indicates the
corresponding secondary nominal current of the current transformer.
Addr. Parameter C Setting Options Default Setting Comments
7101 INADVERT. EN. OFF
ON
Block relay
OFF Inadvertent Energisation
7102 I STAGE 1A 0.1 .. 20.0 A; ∞ 0.3 A I Stage Pickup
5A 0.5 .. 100.0 A; ∞ 1.5 A
7103 RELEASE U1< 10.0 .. 125.0 V; 0 50.0 V Release Threshold U1<
7104 PICK UP T U1< 0.00 .. 60.00 sec; ∞ 5.00 sec Pickup Time Delay T U1<
7105 DROP OUT T U1< 0.00 .. 60.00 sec; ∞ 1.00 sec Drop Out Time Delay T
U1<
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