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User’s Guide
NPM800 – NPM800R
NPM800RE
Date : 05/2013
Edition :30/01/2014
Folio : 27
Indice : g
5.9 Unbalance menu
This menu allows setting the unbalance function.
MAIN MENU
UNBALANCE
SETTING
set 1
Choose the setting group
set 1 or set 2
UNBALANCE
Active
Choose Active to use unbalance
and phase reversal function
Active or Inactive
NEG.SEQ. THRESH
0.20 * In
Set the negative sequence
threshold
0.20 to 0.80 * In
NEG.SEQ.DELAY
1 s
Set the dependent time curve
1 to 10 s
TRIP.MIN.N.S.DEL
0.06 s
Set the minimum duration of trip
0.04 to 10 s
UNBAL.INST.RELAY
A B C D
Select relays for the instantaneous
unbalance and phase reversal
functions
See chap 4 to choose a relay
or to modify the assignment
UNBAL.INST.RELAY
E F G
(relays D, E, F, G if option
available)
UNBAL.TRIP RELAY
A B C D
Select relays for the time delayed
unbalance and phase reversal trip
functions
See chap 4 to choose a relay
or to modify the assignment
UNBAL.TRIP RELAY
E F G
(relays D, E, F, G if option
available)