ABB REL670 - Page 140

132
Control Chapter 11
Verifying settings by secondary
injection
Figure 32: General test connection with three-phase voltage connected to the line side
Test
equipment
UMeasure
Ph/N
Ph/Ph
en05000480.vsd
U-Bus
U-Line
N
REx670
U-Bus
N
UL1
UL2
UL3
N
Input Phase
L1,L2,L3
L12,L23,L31