Siemens SIPROTEC 4 Manual page 346

Mounting and Commissioning
3.3 Commissioning
•
If not, first check whether one of the aforesaid messages 170.2090
or 170.2094
The message
6121 Balancing V1/V2 and recalculate the adaptation factor.
The message
match the setting under address CONNECTIONof V2 (see Section
via a transformer, address 6122 ANGLE ADJUSTM. must also be checked; this must adapt the vector
group. If these are correct, there is probably a reverse polarity of the voltage transformer terminals for
V1.
•
For the synchrocheck, the program SYNC V1>V2< is set to YES (address 6108)
•
Open the VT mcb of the busbar voltage.
•
Via a binary input (170.0043
release. If there is, the VT mcb for the busbar voltage is not allocated. Check whether this is the required
state, alternatively check the binary input
•
Close the VT mcb of the busbar voltage again.
•
Open the circuit breaker.
•
For the synchrocheck, the program SYNC V1<V2>is set to YES (address 6107) and SYNC V1>V2< is set
to NO (address 6108).
•
Via a binary input (170.0043
must release closing (message 170.0049
and the corresponding parameters again thoroughly as described in
•
Open the VT mcb of the feeder voltage.
•
Via a binary input (170.0043
given.
•
Close the VT mcb of the busbar voltage again.
Addresses 6107 to 6110 must be restored as they were changed for the test. If the allocation of the LEDs or
signal relays was changed for the test, this must also be restored.
[messspan-synch-kontr-20070716, 1, en_US]
Figure 3-26
346
25 α2>α1 or 170.2095 25 α2<α1 is available in the spontaneous messages.
25 V2>V1 or 25 V2<V1 indicates that the magnitude adaption is incorrect. Check address
25 α2>α1 or 25 α2<α1 indicates that the phase relation of the busbar voltage does not
>25 Sync requ. ) a measurement request is entered. There is no close
>25 Sync requ. ) a measurement request is entered. The synchrocheck
>25 Sync requ. ) a measurement request is entered. No close release is
Measuring voltages for synchrocheck
25 V2>V1 or 170.2091 25 V2<V1
2.20
>FAIL: BUS VT (6510).
25 CloseRelease ). Otherwise check all voltage connections
E50417-G1140-C343-A8, Edition 12.2017
Synchrocheck). When measuring
Section2.20 Synchrocheck.
SIPROTEC 4, 7SJ80, Manual