Dimensioning Examples; Translatory Movement - Lenze EMB9351-E Instructions De Mise En Service

5 Dimensioning

Dimensioning examples

Translatory movement

5.4 Dimensioning examples
5.4.1 Translatory movement
A translatory movement is to be braked.
Provided data:
U = 725 V
ƒ
DC
Power characteristic in generator mode:
ƒ
P [kW]
gen
55
50
45
40
35
30
25
20
15
10
5
Fig. 4 Power characteristic in generator mode
Data provided by the diagram:
Max. regenerative power: P
ƒ
Average regenerative power over 3 s: P
ƒ
–
In a time range of 3 s, the highest power is provided between t = 0 … 3 s.
The mean value is calculated for this range. The circumscribed area of
the curve represents the average power.
Mean value 0for 3 s: P
–
Mean value 1for 3 s: P
–
82
1
0
1 2 3 4
gen,max
= 13.75 kW
gen,ave
= (55 kW ˘ 13.75 kW) × 0.5 = 20.625 kW
gen,ave
l
5 t [s]
= 55 kW
(3 s) = 34.375 kW
gen,ave
EDBMB935X DE/EN/FR 12.0
9350br_16b