ABB Relion 650 Series REL650 Commissioning Manual page 112

Section 6
Testing functionality
104
Figure 20 shows the general test connection for a breaker-and-a-half diameter with one-
phase voltage connected to the line side.
Test
V-Bus
equipment
V-Line
N
ANSI08000027 V1 EN
Figure 19: General test connection with three-phase voltage connected to the line
side
IED
V-Bus
VMeasure
N
Ph/N
Ph/Ph
VA
Input Phase
VB
A,B,C
VC
AB,BC,CA
VN
ANSI08000027-1-en.vsd
1MRK 506 331-UUS A
Commissioning Manual