ABB RELION 615 SERIES Product Manual page 34

Voltage Protection and Control
REU615
Product version: 5.0 FP1
Table 50. Load-shedding and restoration (LSHDPFRQ) main settings
Parameter
Load shed mode
Restore mode
Start value Freq
Start value df/dt
Operate Tm Freq
Operate Tm df/dt
Restore start Val
Restore delay time
Table 51. Operation characteristics
Parameter
Operating curve type
Operating curve type (voltage protection)
34
Function
LSHDPFRQ
LSHDPFRQ
LSHDPFRQ
LSHDPFRQ
LSHDPFRQ
LSHDPFRQ
LSHDPFRQ
LSHDPFRQ
Value (Range)
1 = Freq<
6 = Freq< OR df/dt
8 = Freq< AND df/dt
1 = Disabled
2 = Auto
3 = Manual
0.800...1.200 × f
n
-0.200...-0.005 × f /s
n
80...200000 ms
120...200000 ms
0.800...1.200 × f
n
80...200000 ms
Value (Range)
1 = ANSI Ext. inv.
2 = ANSI Very. inv.
3 = ANSI Norm. inv.
4 = ANSI Mod inv.
5 = ANSI Def. Time
6 = L.T.E. inv.
7 = L.T.V. inv.
8 = L.T. inv.
9 = IEC Norm. inv.
10 = IEC Very inv.
11 = IEC inv.
12 = IEC Ext. inv.
13 = IEC S.T. inv.
14 = IEC L.T. inv
15 = IEC Def. Time
17 = Programmable
18 = RI type
19 = RD type
5 = ANSI Def. Time
15 = IEC Def. Time
17 = Inv. Curve A
18 = Inv. Curve B
19 = Inv. Curve C
20 = Programmable
21 = Inv. Curve A
22 = Inv. Curve B
23 = Programmable
1MRS757058 K
Step
-
-
0.001
0.005
10
10
0.001
10
ABB