Test Mode - ABB RELION REX640 Technical Manual

Section 11
General function block features
11.8
11.8.1
1708
U U
( )
AB − CA
U U
A = 0 +
3
GUID-163E01F5-56E7-4CCE-8CD4-683F1CB40407 V1 EN
U U
( )
BC − AB
U U
B = 0 +
3
GUID-3DBCF698-3A07-47C0-A59B-9C7F13C0816E V1 EN
U U
( )
CA − BC
U U
C = 0 +
3
GUID-BF0796BF-D482-4BEA-9502-1B1CB4FDBBD0 V1 EN
If the channel is not valid, it is assumed to be zero.
U
0
The phase-to-phase voltages are calculated from the phase-to-earth voltages when VT
connection is selected as "Wye" according to the equations.
U U U
= −
AB A B
GUID-06C64681-ED1D-4DC7-9699-6B26C1EC5B33 V1 EN
U U U
BC = B − C
GUID-A7E57E20-0C72-498C-8634-B10973F70C45 V1 EN
U U U
= −
CA C A
GUID-7AB46726-D856-4F79-9CC0-3E81305F6B0B V1 EN

Test mode

Functionality
The mode of all the logical nodes in the relay's IEC 61850 data model can be set with
Test mode. Test mode activation method can be changed via parameter Tests/IED
test/Test mode selection. Available activation methods are "Local", "Local+remote,
maintenance", "Local+Remote, all levels" and "Binary input". By default, Test mode
activation method is "Local" which means the test mode can be activated only via
LHMI through parameter Tests/IED test/Test mode. The remote activation method
via binary input or via IEC 61850 communication is possible (LD0.LLN0.Mod).
When the binary input is selected as the test mode activation method, the behavior can
be configured with the application configuration.
1MRS759142 C
(Equation 376)
(Equation 377)
(Equation 378)
(Equation 379)
(Equation 380)
(Equation 381)
REX640
Technical Manual