ABB Relion 620 Series - Frequency Protection; Frequency Protection FRPFRQ

Table 659: VVSPPAM Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Phase supervision
7=Ph A + B + C
8=Pos sequence
8=Pos sequence Monitored voltage
phase
4.5.10.8 Monitored data
Table 660: VVSPPAM Monitored data
Name Type Values (Range) Unit Description
VEC_SHT_A_AB FLOAT32 -180.00...180.00 deg Vector shift for phase
to earth voltage A or
phase to phase voltage
AB
VEC_SHT_B_BC FLOAT32 -180.00...180.00 deg Vector shift for phase
to earth voltage B or
phase to phase voltage
BC
VEC_SHT_C_CA FLOAT32 -180.00...180.00 deg Vector shift for phase
to earth voltage C or
phase to phase voltage
CA
VEC_SHT_U1 FLOAT32 -180.00...180.00 deg Vector shift for positive
sequence voltage
VVSPPAM Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.5.10.9 Technical data
Table 661: VVSPPAM Technical data
Characteristic
Value
Operation accuracy Depending on the frequency of the measured voltage:
f
n
±1 Hz
±1°
Operate time , Typically 53 ms
4.6 Frequency protection
4.6.1 Frequency protection FRPFRQ
1
f
n
= 50 Hz, results based on statistical distribution of 1000 measurements
2
Includes the delay of the signal output contact
Protection functions 1MRS757644 H
700 620 series
Technical Manual