KMB NOVAR 2600, Operating Manual

Page: 37 / 96

NOVAR 2600 Operating Manual
Tab 4.3 : PFC Alarms
alarm
mark
alarm event control
quantity /
event
limit
setting
range
activation
(/ deact.)
delay
default setting
I ndication,
A ctuation
notes
U<< voltage loss U
LN
(1 period)
20% of U
NOM
(fixed)
0.02 sec /
5 sec(fixed) -
I + A
simultaneous
disconnection
U< undervoltage U
LN
/
U
LNAVG
20÷100% of U
NOM
1 sec ÷ 20
min U
LN
/ 70 % / 1 min
U>
overvoltage U
LN
/
U
LNAVG
100÷200% of
U
NOM
1 sec ÷ 20
min U
LN
/ 130 % / 1min
I< undercurrent I /
I
AVG
0÷25.0 % of In
*)
1 sec ÷ 20
min I / 0.1 % / 5 sec
I
+
A
fixed sections
not affected
by actuation
I> overcurrent I /
I
AVG
100÷140 % of In
*)
1 sec ÷ 20
min I / 120 % / 1 min indication
only
CHL> CHL limit exceeded CHL /
CHL
AVG
80÷300 % 1 sec ÷ 20
min CHL/133 % / 1min
THDU
>
THDU limit
exceeded THDU /
THDU
AVG
1÷300 % 1 sec ÷ 20
min THDU /10 % /
1min
THDI> THDI limit
exceeded THDI /
THDI
AVG
1÷300 % 1 sec ÷ 20
min THDI / 20 % / 1min
P>< P limit exceeded /
drop Pfh /
Pfh
AVG
0÷99 % 1 sec ÷ 20
min 0 % / 5 sec fixed sections
not affected
by actuation
PF>< PF control failure -
PF control deviation
out of contr. b'width ΔQfh /
ΔQfh
AVG
- 1 sec ÷ 20
min ΔQfh
AVG
/ 5 min
I
indication
only
NS> number of switching
operations
exceeded number of
switching
operations 1÷9999
thousands immediatel
y(0 sec) 100
I
indication
only
OE output error section
failure 0÷99 % of
reading 3 ÷ 15
consecut.
occurr'nces 20 %; 10
I + A
T1><
T2>< temperature
exceeded / drop Ti (internal) /
Te (external)
-40 ÷ +60 °C 1 sec ÷ 20
min >+45 °C / 1 sec
>+35 °C / 1 sec
EXT external alarm
active digital input
state - 0.02 sec /
5 sec(fixed) - simultaneous
disconnection
OoC out of control PF control
process not
running - 1sec ÷
20min
/ imm'tely 15 min indication
only
RCF remote control
failure remote
control
process
state - 1sec ÷
20min
/ imm'tely 1 min indication
only
PF> PF control failure –
overcompensated
PFfh /
PFfh
AVG
cos : 0.00(C/
L) ÷ 1.00 1 sec ÷ 20
min PFfh / 1.00 /
1 min
indication
only
PF< PF control failure –
undercompensated PFfh /
PFfh
AVG
cos :
0.00(C/L) ÷ 1.00 1 sec ÷ 20
min PFfh / 0.95L /
1 min
indication
only
Note : *) In ... CT secondary rated current; 5A or 1A according the CT-ratio setup
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