ABB RED670 Commissioning Manual page 222

Section 11
Testing functionality by secondary injection
Figure 51
connected to the line side.
Test
equipment
ANSI05000480 V3 EN-US
Figure 50:
ANSI05000481 V4 EN-US
Figure 51:
216
shows the general test connection for a breaker-and-a-half diameter with one-phase voltage
IED
V-Bus
V-Line
N
General test connection with three-phase voltage connected to the line side
General test connection for a breaker-and-a-half diameter with one-phase voltage
connected to the line side
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VMeasure
Ph/N
V-Bus
Ph/Ph
N
Input Phase
A,B,C
AB,BC,CA
VMeasure
Ph/N
VA
Ph/Ph
VB
VC
VN Input Phase
A,B,C
AB,BC,CA
ANSI05000480-3-en.vsd
ANSI05000481-4-en.vsd
1MRK 505 378-UUS Rev. J
Line differential protection RED670
Commissioning manual