Table 5.1.4.7.-1
Setting values (Continued)
Setting
Description
Setting range
Default setting
27P-1 MODE
Operation mode setting for 27P-1
0 = definite time
1 = curve C
0
27P-1 TD
IDMT time dial 27P-1 TD
0.10
…
2.00
0.1
27P-1 RSET
Resetting time of element 27P-1
0.07...60.0 s
0.07
27P-1 D/P
Drop-off/pick-up ratio of element 27P-1
1.01
…
1.05
1.03
27P-2
Pickup value of element 27P-2
0.20
…
1.20
×
U
n
(VT)
0.2
27D
Pickup value of element 27D
0.20
…
1.20
×
U
n
(VT)
0.3
27P-2 TDLY
Operate time of element 27P-2
0.10
…
600 s
0.1
27P-2/U
1
MODE Operation mode setting for 27P-2/U
1
0 = definite time
1 = curve C
0
27P-2 TD
IDMT time dial 27P-2 TD
0.10
…
2.00
0.1
59N-1
Pickup value of element 59N-1
2.0
…
80.0% U
n
(VT)
2.0
59N-1 TDLY
Operate time of element 59N-1
0.10
…
600 s
0.1
59N-1 RSET
Resetting time of element 59N-1
0.07...60.0 s
0.07
59N-2
Pickup value of element 59N-2
2.0
…
80.0% U
n
(VT)
2.0
59N-2 TDLY
Operate time of element 59N-2
0.10
…
600 s
0.1
Trip fail
Operate time of CBFAIL
0.10
…
60.0 s
0.10
Switchgroups and parameter masks
The settings can be altered and the functions of the relay selected in the SG_
selector switchgroups. The switchgroups are software based and thus not
physical switches to be found in the hardware of the relay. A checksum is
used for verifying that the switches have been properly set. The
Fig. 5.1.4.7.-1 shows an example of manual checksum calculation.
36
REU 610
Voltage Relay
Technical Reference Manual - ANSI Version
1MRS755972
Содержание REU 610
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