Siemens MASTERDRIVES MC 1FK7 - Page 66

Technical Data and Characteristics
Speed-torque diagrams 1FK7 HD
1FK7 Synchronous Motors
3-38 Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1
Table 3-19: 1FK7082 HD
Technical data Code Units –7AF71
Engineering data
Rated speed n
N
RPM 3000
Number of poles 2p 8
Rated torque (100K)
M
N(100K)
Nm 8.0
Rated current
I
N
A6.7
Stall torque (60K)
M
0(60K)
Nm 10.5
Stall torque (100K)
M
0(100K)
Nm 14
Stall current (60K)
I
0 (60K)
A8.0
Stall current (100K)
I
0 (100K)
A 10.6
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
16
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
14
Optimum operating point
Optimum speed
n
opt
RPM 3000
Optimum power
P
opt
kW 2.51
Limiting data
Max. permissible speed (mech.)
n
max
RPM 6000
Max. torque
M
max
Nm 40
Peak current
I
max
A36
Physical constants
Torque constant
k
T
Nm/A 1.33
Voltage constant
k
E
V/1000 RPM 88
Winding resistance at 20 °C
R
ph
Ohm 0.43
Rotating field inductance
L
D
mH 8
Electrical time constant
T
el
ms 23.2
Shaft torsional stiffness
c
t
Nm/rad 101000
Mechanical time constant
T
mech
ms 1.02
Thermal time constant
T
th
min 60
Weight with brake m kg 18.8
Weight without brake m kg 17.2