ABB CM Serie Betriebs- Und Montageanleitung Seite 7
Multifunktionale dreiphasenüberwachungsrelais
Vorschau ausblenden
Andere Handbücher für CM Serie:
- Betriebs- und montageanleitung (20 Seiten) ,
- Betriebs- und montageanleitung (6 Seiten) ,
- Betriebs- und montageanleitung (16 Seiten)
Werbung
V
Function diagrams
a) ON-delayed
over- and undervoltage monitoring
L1, L2, L3
> U
> U - 5 %
Measuring value
< U + 5 %
< U
t s
t v
15-18
15-16
25-28
25-26
F1: red LED
F2: red LED
R/T: yellow LED
t
= start-up delay fixed 200 ms
s
t
= ajdustable tripping delay
v
b) OFF-delayed
over- and undervoltage monitoring
L1, L2, L3
> U
> U - 5 %
Measuring value
< U + 5 %
< U
t s
15-18
15-16
25-28
25-26
F1: red LED
F2: red LED
R/T: yellow LED
t
= start-up delay fixed 200 ms
s
t
= ajdustable tripping delay
v
c) ON-delayed
phase unbalance monitoring
L1, L2, L3
Unbalance
L3
Unbalance -Hyst.
Measuring value
L1, L2, L3 L1, L2
Unbalance +Hyst.
Unbalance
t s
t v
15-18
15-16
25-28
25-26
F1: red LED
F2: red LED
R/T: yellow LED
t
= start-up delay fixed 200 ms
s
t
= ajdustable tripping delay
v
<t v
t v
t v
<t v
<t v
<t v
t v
d) OFF-delayed
phase unbalance monitoring
L1, L2, L3
Unbalance
L3
Unbalance -Hyst.
Measuring value
L1, L2, L3 L1, L2
Unbalance +Hyst.
Unbalance
t s
15-18
15-16
25-28
25-26
F1: red LED
F2: red LED
R/T: yellow LED
t
= start-up delay fixed 200 ms
s
t
= ajdustable tripping delay
v
e) Phase sequence and phase failure monitoring
L1, L2, L3
Measuring value
L1, L2, L3
L1, L3, L2
t
s
15-18
15-16
25-28
25-26
F1: red LED
F2: red LED
R/T: yellow LED
t
= start-up delay fixed 200 ms
s
t v
<t v
L1, L2, L3
L1, L2
L1, L2, L3
L1
L1, L2, L3
L3
L2, L3
<t v
7
Werbung
