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P44x/EN PL/Hb
MiCOM 40 Agile P442, P444
(PL) 6-
Ordinal English Text Description Source
177 VT Fail Alarm
Fuse failure indication (VT alarm). High when the opto
input is energised (copy of MCB) OR an internal Fuse
Failure is confirmed when the VTS timer elapses.
PSL (OUT)
VT
Supervision
337 VTS Fast
Instantaneous unconfirmed fuse failure internal
detection. Set high for internal Fuse Failure detection
made with internal logic.
PSL (OUT)
VTS
266 WI Trip A Phase A trip on weak infeed
PSL (OUT)
Distance
267 WI Trip B Phase B trip on weak infeed
PSL (OUT)
Distance
268 WI Trip C Phase C trip on weak infeed
PSL (OUT)
Distance
255 Z1
Fault in zone 1 (convergence of loop in Z1)
Set to 0: Reset of (R, X) (resistance, reactance)
calculation made by All pole Dead detection
(default PSL: LED 5, Relays 01 / 10)
PSL (OUT)
Distance
349 Z1 Not Filtrated Z1 decision not filtered by phase selection PSL (OUT)
256 Z1X
Fault in zone 1 extended Z1x (convergence of loop in
Z1x) and filtered by blocking/unblocking Power
Swing/Reversal guard logic (default PSL: LED 5, Relay
10)
PSL (OUT)
Distance
1053 Z1X Extension
Zone 1 Extension Input
Opto input energized if linked by PSL OR any internal
DDB by dedicated PSL
At 1: Signal will initiate Z1 extension logic if selected
(setting).
This DDB can be assigned to any external/Internal
condition for starting Z1X logic
PSL (IN)
257 Z2
Fault in zone 2 (convergence of loop in Z2) and filtered
by blocking/unblocking Power Swing/Reversal guard
logic
logic (default PSL: LED 5, Relay 10)
PSL (OUT)
Distance
258 Z3
Fault in zone 3 (convergence of loop in Z3) and filtered
by blocking/unblocking Power Swing/Reversal guard
logic
logic (default PSL: LED 5, Relay 10)
PSL (OUT)
Distance
259 Z4
Fault in zone 4 (convergence of loop in Z4) and filtered
by blocking/unblocking Power Swing/Reversal guard
logic
logic (default PSL: LED 5, Relay 10)
PSL (OUT)
Distance
260 Zp
Fault in zone P Zp (convergence of loop in Zp)
logic (default PSL: LED 5, Relay 10)
PSL (OUT)
Distance
394 Zq Fault in zone Q PSL
347 ZSP Start
Zero Sequence Power - Start: The ZSP START cell at
1 indicates the Zero Sequence Power function has
started - in the same time, it indicates the timer-delays
associated have started and are running (fixed one first
and then IDMT timer)
PSL (OUT)
ZSP
1087 ZSP Timer Block
Zero Sequence Power - Timer Block: If assigned to an
opto input in a dedicated PSL, Zero Sequence Power
function will start, but will not perform a trip command -
the associated time-delay (adjusted with 'K Time Delay
Factor ' setting, will be blocked
PSL (IN)
ZSP
348 ZSP Trip
Zero Sequence Power - Trip: The ZSP TRIP cell at 1
indicates the Zero Sequence Power function has
performed a trip command (after the start and when
associated timers are issued)
PSL (OUT)
ZSP
454 LBlinder DetectAN
Load Blinder Detection in Loop AN: Cell at 1 indicates
the Impedance is located within the AN loop Load
Blinder Region.
PSL (OUT)
Distance
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