ABB RET670 Commissioning Manual page 193

1MRK 504 154-UUS B
Figure 42
description describes the test of the version intended for one bay.
Figure 43
voltage connected to the line side.
Test
equipment
ANSI05000480 V3 EN-US
Figure 42: General test connection with three-phase voltage connected to the line side
Commissioning manual
The description below applies for a system with a nominal frequency of 60 Hz but
can be directly applicable to 50 Hz. SESRSYN (25) can be set to use different
phases, phase to ground or phase to phase. Use the set voltages instead of what is
indicated below.
shows the general test connection principle, which can be used during testing. This
shows the general test connection for a breaker-and-a-half diameter with one-phase
IED
V-Bus
V-Line
N
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
Testing functionality by secondary injection
Section 10
187