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Appendix B – Maximum Braking Power
Example 2
Example 3
B-2
Duration of a braking cycle is three minutes. The braking time is
40 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 37 % of
the rated value given for the reference cycle.
Duration of a braking cycle is three minutes. The braking time is
10 seconds.
1.
P
<
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
· 60 s
BRmax
= 0.375 · P
4 · 40 s
O.K.
BRmax
P
· 60 s
BRmax
= 1.5 · P
4 · 10 s
Not allowed.
BRmax
) given for the reference cycle.
BRmax
Installation and Start-up Guide for NBRA-6xx
BRmax
t
600 s
BRmax
t
600 s
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