14.1.3
Application examples
M12323-3 v6
The synchronizing function block can also be used in some switchyard arrangements, but with
different parameter settings. Below are some examples of how different arrangements are
connected to the IED analogue inputs and to the function block SESRSYN. One function block
is used per circuit breaker.
The input used below in example are typical and can be changed by use of
configuration and signal matrix tools.
The SESRSYN and connected SMAI function block instances must have the
same cycle time in the application configuration.
14.1.3.1
Single circuit breaker with single busbar
M12324-3 v11
WA1_MCB
LINE
WA1
QB1
QA1
IEC10000093-4-en.vsd
LINE_VT
LINE_MCB
WA1_MCB
SESRSYN
U3PBB1*
U3PBB2*
U3PLN1*
U3PLN2*
GRP_OFF
UB1OK
UB1FF
ULN1OK
ULN1FF
WA1_VT
WA1_VT
LINE_VT
LINE_MCB
WA1_MCB
IEC10000093 V4 EN-US
Figure 312: Connection of SESRSYN function block in a single busbar arrangement
Figure
illustrates connection principles for a single busbar. For the SESRSYN function there
is one voltage transformer on each side of the circuit breaker. The voltage transformer circuit
connections are straightforward; no special voltage selection is necessary.
The voltage from busbar VT is connected to U3PBB1 and the voltage from the line VT is
connected to U3PLN1. The conditions of the VT fuses shall also be connected as shown above.
The voltage selection parameter
CBConfig is set to No voltage sel.
Section 14
1MRK 505 343-UEN B
Control
524
Application manual
Summary of Contents for Relion 670 series
Page 1: ...RELION 670 SERIES Line differential protection RED670 Version 2 1 IEC Application manual...
Page 2: ......
Page 40: ...34...
Page 64: ...58...
Page 150: ...144...
Page 406: ...400...
Page 472: ...466...
Page 494: ...488...
Page 512: ...506...
Page 524: ...518...
Page 604: ...598...
Page 686: ...680...
Page 718: ...712...
Page 722: ...716...
Page 758: ...752...
Page 759: ...753...