ABB rec670 Commissioning Manual page 148

Section 10
Testing functionality by secondary injection
142
Test
equipment
U-Line
N
IEC05000480 V4 EN
Figure 21: General test connection with three-phase voltage connected to the
line side
U-Bus1
Test
equipment
U-Bus2
U-Line2
U-Line1
N
IEC05000481 V5 EN
Figure 22: General test connection for a 1½ breaker diameter with one-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
IED
U3PBB1
N
U3PBB2
N
U3PLN2
N
U3PLN1
N
IEC05000481-5-en.vsd
1MRK 511 360-UEN A
UMeasure
Ph/N
Ph/Ph
L1,L2,L3
UMeasure
Ph/N
Ph/Ph
L1,L2,L3
UMeasure
Ph/N
Ph/Ph
Input Phase
L1,L2,L3
L12,L23,L31
UMeasure
Ph/N
Ph/Ph
Input Phase
L1,L2,L3
L12,L23,L31
Bay control REC670 2.1 IEC
Commissioning manual