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.
Figure 62 shows the general test connection principle, which can be used during
testing. This description describes the test of the version intended for one bay.
Figure 63 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 62: General test connection with three-phase voltage connected to the line
side
Section 13 1MRK 502 073-UUS A
Testing functionality by secondary injection
248 Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Commissioning manual
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