REXROTH IndraDrive - Page 280

Basic Formula 2
R´ [Transformed resistance] = Ω
R
S
[Winding resistance motor] = Ω; see P-0-4048 *0.5
R
DC_Bleeder
[Effective braking resistance with ZKS] = Ω
Fig.15-53: Transformed Resistance
Occurring Torque
M
max
Maximum occurring torque (friction not taken into account)
K
M
[Torque constant motor] = Nm/A; see P-0-0051
L [Winding inductance motor] = H; see P-0-4016
z
p
Number of pole pairs motor; see P-0-0018
Fig.15-54: Occurring Torque
Braking Torque vs. Angular Velocity
K
M
[Torque constant motor] = Nm/A; see P-0-0051
ω
[Angular velocity motor] = s
-1
R´ [Transformed resistance] = Ω
L [Winding inductance motor] = H; see P-0-4016
z
p
Number of pole pairs motor; see P-0-0018
Fig.15-55: Braking Torque Depending on Angular Velocity
Braking Torque vs. Speed
K
M
[Torque constant motor] = Nm/A; see P-0-0051
n
[Motor speed] = min
-1
R´ [Transformed resistance] = Ω
L [Winding inductance motor] = H; see P-0-4016
z
p
Number of pole pairs motor; see P-0-0018
Fig.15-56: Braking Torque Depending on Motor Speed
Bosch Rexroth AG DOK-INDRV*-SYSTEM*****-PR06-EN-P
Rexroth IndraDrive Drive Systems with HMV01/02 HMS01/02, HMD01, HCS02/03
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Calculations