ABB Relion 615 series, Product Manual

Page: 34 / 56

Table 50. Load-shedding and restoration (LSHDPFRQ) main settings
Parameter Function Value (Range) Step
Load shed mode LSHDPFRQ 1 = Freq<
6 = Freq< OR df/dt
8 = Freq< AND df/dt -
Restore mode LSHDPFRQ 1 = Disabled
2 = Auto
3 = Manual -
Start value Freq LSHDPFRQ 0.800...1.200 × f
n
0.001
Start value df/dt LSHDPFRQ -0.200...-0.005 × f
n
/s 0.005
Operate Tm Freq LSHDPFRQ 80...200000 ms 10
Operate Tm df/dt LSHDPFRQ 120...200000 ms 10
Restore start Val LSHDPFRQ 0.800...1.200 × f
n
0.001
Restore delay time LSHDPFRQ 80...200000 ms 10
Table 51. Operation characteristics
Parameter Value (Range)
Operating curve type 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
Operating curve type (voltage protection) 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
Voltage Protection and Control 1MRS757058 K
REU615
Product version: 5.0 FP1
34 ABB