Micom P634 - Page 244

64Z8053A
f<>:
Oper. mode f1 PSx
018 120
018 121
018 122
018 123
Parameter
set 1
set 2
set 3
set 4
f<>:
f1 PSx
018 100
018 101
018 102
018 103
f<>:
df1/dt PSx
018 108
018 109
018 110
018 111
f<>:
Delta f1 PSx
018 112
018 113
018 114
018 115
f<>:
Delta t1 PSx
018 116
018 117
018 118
018 119
f<>:
tf1 PSx
018 104
018 105
018 106
018 107
f<>:
Trip signal f1
[ 042 111 ]
f<>:
Starting f1
[ 042 107 ]
f<>:
Starting f1/df1
[ 042 108 ]
SFMON:
Setting error f<>
[ 098 028 ]
f<>:
Delta f1 triggered
[ 042 109 ]
f<>:
Delta t1 elapsed
[ 042 110 ]
MAIN:
Protection active
306 001
f<>:
Blocking f1 EXT
[ 042 103 ]
f<>:
Ready
[ 042 101 ]
MAIN:
Nominal frequ. fnom
[ 010 030 ]
f<>:
Blocked by V<
[ 042 102 ]
MAIN:
M.c.b. trip V EXT
[ 004 061 ]
f<>:
No. periods reached
305 701
f<>:
fMeas
305 726
f<>:
Oper. mode f1 PSx
[ * ]
1: f
1
2
3
2: f with df/dt
3: f w. Delta f/Delta t
f<>:
f1 PSx
[ * ]
f<>:
df1/dt PSx
[ * ]
f<>:
Delta f1 PSx
[ * ]
f<>:
Delta t1 PSx
[ * ]
f<>:
tf1 PSx
[ * ]
df/dt
Start. cond. met
Δf/Δt
Start. cond. met
f>
Fig. 3-140: First stage of the over-/ underfrequency protection function
P634
3 Operation
3-188 P634/EN M/R-42-A // P634‑311‑653