Values of the logical signals for SESRSYN are available on the local HMI under Main menu/
Tests/Function status/Control/SESRSYN(25,SYNC)/SESRSYN:X. The Signal Monitoring in
PCM600 shows the same signals that are available on the local HMI.
At commissioning and periodical checks, the functions shall be tested with the used settings.
To test a specific function, it might be necessary to change some setting parameters, for
example:
•
AutoEnerg = Off/DLLB/DBLL/Both
•
ManEnerg = Off
•
Operation = Off/On
•
Activation of the voltage selection function if applicable
The tests explained in the test procedures below describe the settings, which can be used as
references during testing before the final settings are specified. After testing, restore the
equipment to the normal or desired settings.
A secondary injection test set with the possibility to alter the phase angle and amplitude of
the voltage is needed. The test set must also be able to generate different frequencies on
different outputs.
The description below applies for a system with a nominal frequency of 50 Hz
but can be directly applicable to 60 Hz. SESRSYN can be set to use different
phases, phase to earth or phase to phase. Use the set voltages instead of what
is indicated below.
Figure
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
shows the general test connection for a 1½ breaker diameter with one-phase voltage
connected to the line side.
Test
equipment
UMeasure
Ph/N
Ph/Ph
en08000027.vsd
U-Bus
U-Line
N
IED
U-Bus
N
UL1
UL2
UL3
N
Input Phase
L1,L2,L3
L12,L23,L31
IEC08000027 V1 EN-US
Figure 13: General test connection with three-phase voltage connected to the line side
Section 7
1MRK 505 293-UEN B
Testing functionality
78
Breaker protection REQ650
Commissioning manual
© Copyright 2013 ABB. All rights reserved
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