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Functions
2.26 Rate-of-Frequency-Change Protection df/dt (ANSI 81R)
2.26.4
Information List
No.
Information
5503
>df/dt block
5504
>df1/dt block
5505
>df2/dt block
5506
>df3/dt block
5507
>df4/dt block
5511
df/dt OFF
5512
df/dt BLOCKED
5513
df/dt ACTIVE
5514
df/dt U< block
5516
df1/dt pickup
5517
df2/dt pickup
5518
df3/dt pickup
5519
df4/dt pickup
5520
df1/dt TRIP
5521
df2/dt TRIP
5522
df3/dt TRIP
5523
df4/dt TRIP
198
Type of In-
formation
SP
>BLOCK Rate-of-frequency-change prot.
SP
>BLOCK df1/dt stage
SP
>BLOCK df2/dt stage
SP
>BLOCK df3/dt stage
SP
>BLOCK df4/dt stage
OUT
df/dt is switched OFF
OUT
df/dt is BLOCKED
OUT
df/dt is ACTIVE
OUT
df/dt is blocked by undervoltage
OUT
Stage df1/dt picked up
OUT
Stage df2/dt picked up
OUT
Stage df3/dt picked up
OUT
Stage df4/dt picked up
OUT
Stage df1/dt TRIP
OUT
Stage df2/dt TRIP
OUT
Stage df3/dt TRIP
OUT
Stage df4/dt TRIP
Comments
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
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