Input And Output Signals; Setting Parameters - ABB REL 501-C1 2.5 Technical Reference Manual

5.5
5.6
90
Power swing detection (PSD)

Input and output signals

Table 99: Input signals for the PSD (PSD--) function block
Signal
BLOCK
BLKI01
BLKI02
BLK1PH
REL1PH
BLK2PH
REL2PH
I0CHECK
TRSP
EXTERNAL
Path in local HMI: ServiceReport/Functions/Impedance/PowerSwingDet/FuncOutputs
Table 100: Output signals for the PSD (PSD--) function block
Signal
START
ZIN
ZOUT

Setting parameters

Setting values for impedance parameters are given for rated current Ir = 1A. Divide the given
values by 5 if the rated current is Ir = 5A.
Path in local HMI: Settings/Functions/Groupn/Impedance/PowerSwingDet
Table 101: Setting parameters for the power swing detection PSD (PSD--) function
Parameter Range
Operation Off, On
Detection Off, On
X1IN 0.10 - 400.00
Step: 0.01
R1IN 0.10 - 400.00
Step: 0.01
KX 120 - 200
Step: 1
Description
Blocks the function
Blocks internal inhibit of PSD-START output for slow swing condition
Blocks internal inhibit of PSD-START output for subsequent residual
current detection
Blocks one-out-of-three-phase operating mode
Releases one-out-of-three-phase operating mode
Blocks two-out-of-three-phase operating mode
Releases two-out-of-three-phase operating mode
Residual current (3I ) detection used to inhibit PSD-START output
0
Single-pole tripping command issued by tripping function
Input for external detection of power swing
Description
Power swing detected
Measured impedance within inner impedance boundary
Measured impedance within outer impedance boundary
Default Unit Description
Off - Operating mode for PSD function
Off - Operating mode for the internal power
swing detection (PSD) function
30.00 ohm/phas Positive sequence reactive reach of the
e inner boundary
30.00 ohm/phas Positive sequence resistive reach of the
e inner boundary
125 % Reach multiplication factor for the outer
reactive boundary
Chapter 4
Line distance