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ABB Relion 670 series - Page 220

ABB Relion 670 series
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Test
equipment
UMeasure
Ph/N
Ph/Ph
IEC05000480-2-en.vsd
U-Bus
U-Line
N
IED
U-Bus
N
UL1
UL2
UL3
N
Input Phase
L1,L2,L3
L12,L23,L31
IEC05000480 V2 EN
Figure 102: General test connection with three-phase voltage connected to the
line side
U-Bus1
U-Line1
N
Test
equipment
IED
U3PBB1
N
IEC05000481-3-en.vsd
N
UMeasure
Ph/N
Ph/Ph
U-Bus2
U-Line2
U3PBB2
U3PLN2
U3PLN1
IEC05000481 V3 EN
Figure 103: General test connection for a 1½ breaker diameter with one-phase
voltage connected to the line side
Section 15 1MRK 502 029-UEN A
Verifying settings by secondary injection
214
Installation and commissioning manual

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