Characteristics For The Solid-State Reversing Contactor - Siemens SIRIUS 3RT Series System Manual

3.11.15.2

Characteristics for the solid-state reversing contactor

Switching frequency characteristic for the solid-state reversing contactor
Motor's operating data
I
a
I
e
I
b
t
a
I
a
I
e
I
b
t
a
t
a
t
p
t
ED
t
s
ED [%] =
Figure 3-23
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
t
b
t t
p
ED
t
s
Direct-on-line starting current
Rated operational current
Operating current
Start time
Operating time
Idle time
ON period
Operating cycle
t
ED
× 100%
t
s
Switching frequency characteristics - load diagram
SIRIUS 3RF34 solid-state switching devices
3.11 Technical data
367