S5: Intermittent periodic duty with starting and electrical braking
Operation as shown in Figure 2.6.1 which is composed of a sequence of similar
duty cycles with cycle duration t
S
, whereby each cycle encompasses a distinct
starting time tA, time tBwith constant load and time tBof high-speed electrical
braking. There is no interval.
relative duty cycle
t
r
= · 100
Figure 2.6.1 Duty type S5: Intermittent periodic duty with starting and electrical
braking.
Compared to continuous duty S1 a power reduction is necessary in this mode.
Consult the manufacturer for details.
Three-phase Induction
Motors
2.6