Example 3 - ABB ACS800 Hardware Manual

Example 3

Duration of a braking cycle is three minutes. The braking time is 10 seconds.
P <
1.
br
P
br
P
brmax
t
br
T = Duration of the braking cycle
2. P > P
br
Result: The maximum allowed braking power for the cycle is equal to the Maximum
Braking Power (P
P x 60 s
brmax
= 1.5
4 x 10 s
Not allowed.
brmax
) given for the reference cycle.
brmax
P
·
brmax
t
600 s
193
Resistor braking