Characteristics - Switching Frequency/Load; Characteristics For The Solid-State Contactor - Siemens SIRIUS 3RT Series System Manual

SIRIUS 3RF34 solid-state switching devices
3.11 Technical data
3.11.15

Characteristics - switching frequency/load

3.11.15.1

Characteristics for the solid-state contactor

Switching frequency characteristic for the solid-state contactor
Motor's operating data
I
a
I
e
I
b
t
a
I
a
I
e
I
b
t
a
t
b
t
p
t
ED
t
s
ED [%] =
Figure 3-18
362
t
b
t t
p
ED
t
s
Motor's direct starting current
Motor's rated operational current
Motor's operational current
Motor's start time
Operating time
Idle time
ON period
Operating cycle
t
ED
× 100%
t
s
Switching frequency characteristics - load diagram
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03