ABB REG670 2.0 IEC Commissioning Manual page 209

1MRK502053-UEN B
Generator protection REG670 2.0 IEC
Commissioning manual
Testing functionality by secondary injection
to use different phases, phase to earth or phase to phase. Use the set
voltages instead of what is indicated below.
Figure 51 shows the general test connection principle, which can be used during
testing. This description describes the test of the version intended for one bay.
Figure 52 shows the general test connection for a 1½ breaker diameter with one-phase
voltage connected to the line side.
Test
equipment
U-Line
N
IEC05000480 V4 EN
Figure 51: General test connection with three-phase voltage connected to the
line side
IED
U-Bus
U3PBB1
N
Input Phase
L12,L23,L31
U3PLN1
UL1
UL2
Input Phase
UL3
N
L12,L23,L31
IEC05000480-4-en.vsd
Section 12
UMeasure
Ph/N
Ph/Ph
L1,L2,L3
UMeasure
Ph/N
Ph/Ph
L1,L2,L3
203