Lenze EMB9352−C Manual de usuario Pagina 85

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 174
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 84
Dimensioning
Dimensioning examples
Vertical movement
5
85
EDBMB935X DE/EN/FR 13.0
Step 1: Calculate brake resistance
R
B
+
U
DC
2
P
gen,max
+
(725V)
2
11kW
+ 47.8W
Step 2: Determine the number of brake resistors
A brake resistor is selected with 47 W.
ƒ Please observe the rated power when dimensioning the brake resistors. It
results from the average braking power of a machine cycle.
Step 3: Calculate the number of brake choppers per brake resistor
N
Brm
+
P
gen,ave
(3s)
N
R
@ P
N
(U
ch
)
+
9.33kW
1 @ 10kW
+ 0.933 å 1
The brake resistor requires one brake chopper.
Vista de pagina 84
1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 173 174

Comentarios a estos manuales

Sin comentarios