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
UMeasure
Ph/N
Ph/Ph
IEC05000480-4-en.vsd
U-Bus
U-Line
N
IED
U3PBB1
N
UL1
UL2
UL3
N
Input Phase
L1,L2,L3
L12,L23,L31
UMeasure
Ph/N
Ph/Ph
Input Phase
L1,L2,L3
L12,L23,L31
U3PLN1
IEC05000480 V4 EN
Figure 51: General test connection with three-phase voltage connected to the
line side
1MRK502053-UEN B Section 12
Testing functionality by secondary injection
Generator protection REG670 2.0 IEC 203
Commissioning manual
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