Technical data

Rexroth IndraDyn T Technical Data 4-3
DOK-MOTOR*-MBT********-PR03-EN-P
Operating Characteristics
The following sample characteristic curve explains the operating
characteristics of IndraDyn T motors, as does information found in the
motor data sheet.
M [Nm]
n [min
-1
]
[3]
[1]
[2]
[5]
MK000113v01_NN.FH10
[4]
[1]: Rated torque M
N
[2]: Rated speed n
N
[3]: Maximum speed M
max
[4]: Max. torque n
Mmax
[5]: Max. torque n
max
Fig. 4-4: Example motor characteristic curve
Note: The achievable torque depends on the drive control used. The
reference value for the characteristic curves of the motor
assumes an unregulated intermediate circuit voltage of
540V
DC
.
The maximum torque M
max
is available up to the speed n
Mmax
. When the
velocity rises, the available intermediate circuit voltage is reduced by the
velocity-dependent reverse voltage of the motor. This leads to a reduction
of the maximum torque with rising velocity.
The specified characteristic curves can be linearly extrapolated to the
existing voltages if the connection voltages or mains voltages differ.
Example:
()
nenn
neu,DC
neu,U
n
V540
U
n
DC
⋅=
Fig. 4-5: Example for conversion
nennV750_nenn
maxV750max_
nennV750_nenn
maxV750max_
n
V540
V750
n
n
V540
V750
n
ttanconsMM
ttanconsMM
⋅=
⋅=
==
==
Fig. 4-6: Conversion example to intermediate circuit voltage 750V
DC
Conversion to intermediate
circuit voltage 750V
DC