Example 3 - ABB ACS800-07-0610-3 Hardware Manual

Example 3

Duration of a braking cycle is three minutes. The braking time is 10 seconds.
1.
P
P
brmax
2.
Result: The maximum allowed braking power for the cycle is equal to the Maximum
Braking Power (P
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P × 60 s
brmax
P <
br
4 × 10 s
br
t
br
T = Duration of the braking cycle
P > P
br brmax
) given for the reference cycle.
brmax
= 1.5 · P
brmax
t
600 s
Not allowed.
185
Resistor braking