ABB REL670 Installation And Commissioning Manual page 141

11.1.1
Control
Test U-Bus1
equipment
U-Bus2
U-Line2
U-Line1
N
Figure 33: General test connection for a 1
to the line side
Testing the synchronizing function
This section is applicable only if the synchronizing function is included.
The voltage inputs used are:
UP3LN1 UL1, UL2 or UL3 voltage inputs on the IED
UP3BB1 Bus1 voltage input on the IED.
UP3BB2 Bus2 voltage input on the IED
UP3LN2 UL1, UL2 or UL3 voltage from line 2 inputs on the IED
The settings in table 20 shows typical values. The final settings should be used during testing.
Verifying settings by secondary
REx670
U3PBB1
U3PBB2
U3PLN2
N
U3PLN1
UMeasure
Ph/N
Ph/Ph
N
1
/ CB diameter with one-phase voltage connected
2
Chapter 11
injection
en05000481.vsd
133