Signals; Settings - ABB RELION REX640 Technical Manual

1MRS759142 C
4.5.9.7
4.5.9.8
Table 788: VVSPPAM Group settings (Basic)
Parameter Values (Range)
Start value
Table 789: VVSPPAM Group settings (Advanced)
Parameter Values (Range)
Over Volt Blk value
Under Volt Blk value
Table 790: VVSPPAM Non group settings (Basic)
Parameter Values (Range)
Operation
REX640
Technical Manual
and cost effective, but each method has a non detectable zone. To overcome this
problem, it is recommended to combine different criteria for detecting Loss of Mains.
Two or more protection functions run in parallel to detect Loss of Mains. When all
criteria are fulfilled to indicate Loss of Mains, an alarm or a trip can be generated.
Vector shift and rate of change of frequency are two parallel criteria typically used for
detection of Loss of Mains.
Chosen protection criteria can be included in the Application Configuration tool to
create multicriteria loss of mains alarm or trip.

Signals

Table 786: VVSPPAM Input signals
Name
U3P
BLOCK
Table 787: VVSPPAM Output signals
Name
OPERATE
INT_BLKD

Settings

Unit
2.0...30.0 deg
Unit
0.40...1.50 xUn
0.15...1.00 xUn
Unit
1=on
5=off
Type Default Description
SIGNAL - Three-phase voltages
BOOLEAN 0=False Block signal for activating the blocking mode
Type Description
BOOLEAN Operate
BOOLEAN Protection function internally blocked
Step Default
0.1 6.0
Step Default
0.01 1.20
0.01 0.80
Step Default
1=on
Section 4
Protection functions
Description
Start value for vector shift
Description
Voltage above which function will be
internally blocked
Voltage below which function will be
internally blocked
Description
Operation Off / On
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