Settings
SEL-351P Quick-Start Installation and User's Guide (Portuguese)
45
No.
Setting
Default
Range
Incr.
16
Operations to lockout -
ground
4 OFF,
1-5
1
The
Operations to lockout - ground
setting determines the total number of ground curve trip operations. The
difference between setting
Operations to lockout - ground
and setting
Operations - ground fast curve
(No. 14) is the number of remaining ground delay curve operations (e.g., 4 - 2 = 2).
The setting range for
Operations to lockout - ground
adjusts according to
Operations - ground fast curve
(e.g., if
Operations - ground fast curve
= 2, then the range for
Operations to lockout - ground
is from 2
to 5).
•
If
Delay curve - ground
(No. 11) = OFF, then
Operations to lockout - ground
is set automatically equal
to
Operations - ground fast curve
, and there are no ground delay curve operations (e.g., 2 - 2 = 0).
•
This setting is hidden and set to OFF if
Min. trip - ground
(No. 6) is set to OFF.
•
WARNING: If
Operations to lockout - phase
(No. 15),
Operations to lockout - ground
(No. 16), and
Operations to lockout - SEF
(No. 17) are all set to OFF, then overcurrent protection and reclosing are
disabled.
However, if both
Min. trip - ground
(No. 6) and
Delay curve - ground
(No. 11) are set to values other
than OFF, the ground delay curve element is still active (provided the TERRA HABILITADO operator
control is on). If absolutely no ground protection is desired (e.g., “switch” mode),
Min. trip - ground
(No. 6) or
Delay curve - ground
(No. 11) must also be set to OFF.
No.
Setting
Default
Range
Incr.
17
Operations to lockout - SEF
OFF
OFF, 1-5
1
The
Operations to lockout - SEF
setting determines the number of SEF (sensitive earth fault) element trip
operations.
•
This setting is hidden and set to OFF if
Min. trip - SEF
(No. 7) is set to OFF.
•
WARNING: If
Operations to lockout - phase
(No. 15),
Operations to lockout - ground
(No. 16), and
Operations to lockout - SEF
(No. 17) are all set to OFF, then overcurrent protection and reclosing are
disabled. See similar warnings for preceding setting number 15 and setting number 16.
Содержание SEL-351P
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