Figure 55 shows the general test connection for a breaker-and-a-half diameter with one-phase voltage
connected to the line side.
Test
equipment
VMeasure
Ph/N
Ph/Ph
ANSI05000480-3-en.vsd
V-Bus
V-Line
N
IED
V-Bus
N
VA
VB
VC
VN
Input Phase
A,B,C
AB,BC,CA
VMeasure
Ph/N
Ph/Ph
Input Phase
A,B,C
AB,BC,CA
ANSI05000480 V3 EN-US
Figure 54: General test connection with three-phase voltage connected to the line side
ANSI05000481 V4 EN-US
Figure 55: General test connection for a breaker-and-a-half diameter with one-phase voltage
connected to the line side
Section 11 1MRK 504 165-UUS Rev. J
Testing functionality by secondary injection
242 Transformer protection RET670
Commissioning manual
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