Eaton EDR 3000 Installation, Operation And Maintenance Manual page 560

Tabular Summary
Which breaker is to be
monitored?
Where to select?
Within [Protection Para\Global Prot
Para\Supervision\BF]
Trigger Modi
(Who starts the BF-timer ? )
Where to set?
Within [Protection Para\Global Prot
Para\Supervision\BF]
Who stopps the BF-Timer?
Once the timer has been stopped the BF
module will switch into the state
„Rejected". The module will switch back
into the state „Stand-by" if the trigger
signals are dropped.
A Breaker Failure will be
detected
...and a trip signal to the upstream
breaker will be issued?
When does the trip signal to the
upstream breaker drops (falls
back)?
EDR-3000
Where? Within [Protection Para\Global Prot Para\Supervision\BF]
CB Pos 2)
Selection ot the breaker
that is to be monitored.
(In case that more than one
breaker is available)
All Trips 5)
or
All Current Trips 5)
or
External Trips 5)
...and the breaker is in the
closed position and the BF
module is within the stand-by
state.
Position indicators indicate
that the swichtgear
(breaker) is in the open
position.
When the BF-Timer has
run down (elapsed).
If the position indicators
indicate that the
swichtgear (breaker) is in
the open position and if the
trigger signals are dropped
(fallen back)
www.eaton.com
Supervision Schemes
50BF 3)
Selection ot the breaker
that is to be monitored.
(In case that more than one
breaker is available)
All Trips 5)
or
All Current Trips 5)
or
External Trips 5)
...and the BF module is within the
stand-by state.
Current is fallen below the
I<-threshold 1) .
When the BF-Timer has
run down (elapsed).
If the current is fallen
below the I< and if the
trigger signals are dropped
(fallen back)
IM02602003E
CBPos und 50BF 4)
Selection ot the breaker
that is to be monitored.
(In case that more than one
breaker is available)
All Trips 5)
or
All Current Trips 5)
or
External Trips 5)
...and the breaker is in the
closed position and the BF
module is within the stand-by
state.
Position indicators indicate
that the swichtgear
(breaker) is in the open
position and current is
fallen below the I<-
threshold 1) .
When the BF-Timer has
run down (elapsed).
If the position indicators
indicate that the
swichtgear (breaker) is in
the open position and if the
current is fallen below the
I< and if the trigger signals
are dropped (fallen back)
548