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