Signals; Settings - ABB RELION REX640 Technical Manual

Section 4
Protection functions
4.5.5.7
4.5.5.8
Table 749: NSPTOV Group settings (Basic)
Parameter
Start value
Operate delay time
Table 750: NSPTOV Non group settings (Basic)
Parameter
Operation
Table 751: NSPTOV Non group settings (Advanced)
Parameter
Reset delay time
794
An appropriate value for the setting parameter Voltage start value is approximately 3
percent of U . A suitable value for the setting parameter Operate delay time depends
n
on the application. If the NSPTOV operation is used as backup protection, the operate
time should be set in accordance with the operate time of NSPTOC used as main
protection. If the NSPTOV operation is used as main protection, the operate time
should be approximately one second.

Signals

Table 747: NSPTOV Input signals
Name
U3P
BLOCK
Table 748: NSPTOV Output signals
Name
OPERATE
START

Settings

Values (Range) Unit
0.010...1.000 xUn
40...120000 ms
Values (Range) Unit
1=on
5=off
Values (Range) Unit
0...60000 ms
Type Default Description
SIGNAL - Three-phase voltages
BOOLEAN 0=False Block signal for activating the blocking mode
Type Description
BOOLEAN Operate
BOOLEAN Start
Step Default
0.001 0.030
1 40
Step Default
1=on
Step Default
1 20
1MRS759142 C
Description
Start value
Operate delay time
Description
Operation Off / On
Description
Reset delay time
Technical Manual
REX640