tEvolvingFault: Secures two- or three-pole tripping depending on Program selection at
evolving faults.
17.2 Trip matrix logic TMAGAPC
17.2.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Trip matrix logic TMAGAPC - -
17.2.2 Application
The trip matrix logic TMAGAPC function is used to route trip signals and other logical
output signals to different output contacts on the IED.
The trip matrix logic function has 3 output signals and these outputs can be connected to
physical tripping outputs according to the specific application needs for settable pulse or
steady output.
17.2.3 Setting guidelines
Operation: Operation of function Enabled/Disabled.
PulseTime: Defines the pulse time when in Pulsed mode. When used for direct tripping of
circuit breaker(s) the pulse time delay shall be set to approximately 0.150 seconds in order
to obtain satisfactory minimum duration of the trip pulse to the circuit breaker trip coils.
OnDelay: Used to prevent output signals to be given for spurious inputs. Normally set to
0 or a low value.
OffDelay: Defines a delay of the reset of the outputs after the activation conditions no
longer are fulfilled. It is only used in Steady mode. When used for direct tripping of circuit
breaker(s) the off delay time shall be set to at least 0.150 seconds in order to obtain a
satisfactory minimum duration of the trip pulse to the circuit breaker trip coils.
ModeOutputx: Defines if output signal OUTPUTx (where x=1-3) is Steady or Pulsed.
Section 17 1MRK 506 369-UUS -
Logic
798 Line distance protection REL670 2.2 ANSI
Application manual
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