Signals; Settings - ABB RELION 620 Series Technical Manual

Hide thumbs Also See for RELION 620 Series:
Table of Contents

Advertisement

1MAC504801-IB E
4.2.7.6
4.2.7.7
Table 259:
27R Group settings
Parameter
Values (Range)
Pickup value
0.05...1.20
Trip delay time
100...300000
Table 260:
27R Non group settings
Parameter
Values (Range)
Operation
1=enable
5=disable
Num of pickup phases
1=1 out of 3
2=2 out of 3
3=3 out of 3
Minimum trip time
100...60000
Reset delay time
0...60000
Voltage selection
1=phase-to-earth
2=phase-to-phase
Relative hysteresis
1.0...5.0
620 series ANSI
Technical Manual

Signals

Table 257:
27R Input signals
Name
Type
V_A_AB
SIGNAL
V_B_BC
SIGNAL
V_C_CA
SIGNAL
BLOCK
BOOLEAN
Table 258:
27R Output signals
Name
Type
TRIP
BOOLEAN
PICKUP
BOOLEAN

Settings

Unit
Step
xUn
0.01
ms
100
Unit
Step
ms
100
ms
1
%
0.1
Default
Description
0
Phase to ground voltage A or phase to phase voltage AB
0
Phase to ground voltage B or phase to phase voltage BC
0
Phase to ground voltage C or phase to phase voltage
CA
0=False
Block signal for activating the blocking mode
Description
Trip
Pickup
Default
Description
0.25
Pickup value
100
Trip delay time
Default
Description
5=disable
Operation Disable / Enable
3=3 out of 3
Number of phases required for trip activation
100
Minimum trip time for IDMT curves
20
Reset delay time
2=phase-to-phase
Parameter to select phase or phase-to-phase
voltages
4.0
Relative hysteresis for operation
Section 4
Protection functions
317

Advertisement

Table of Contents
loading

Table of Contents