Siemens MASTERDRIVES MC 1FK7 - Page 48

Technical Data and Characteristics
Speed-torque diagrams 1FK7 CT
1FK7 Synchronous Motors
3-20 Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1
Table 3-10: 1FK7100 CT
Technical data Code Units –5AF71
Engineering data
Rated speed n
N
RPM 3000
Number of poles 2p 8
Rated torque (100K)
M
N(100K)
Nm 12
Rated current
I
N
A8
Stall torque (60K)
M
0(60K)
Nm 15
Stall torque (100K)
M
0(100K)
Nm 18
Stall current (60K)
I
0 (60K)
A9.2
Stall current (100K)
I
0 (100K)
A11.2
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
63.9
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
55.3
Optimum operating point
Optimum speed
n
opt
RPM 3000
Optimum power
P
opt
kW 3.77
Limiting data
Max. permissible speed (mech.)
n
max
RPM 5000
Max. torque
M
max
Nm 55
Peak current
I
max
A37
Physical constants
Torque constant
k
T
Nm/A 1.59
Voltage constant
k
E
V/1000 RPM 101
Winding resistance at 20 °C
R
ph
Ohm 0.34
Rotating field inductance
L
D
mH 7.0
Electrical time constant
T
el
ms 20.5
Shaft torsional stiffness
c
t
Nm/rad 184000
Mechanical time constant
T
mech
ms 2.23
Thermal time constant
T
th
min 55
Weight with brake m kg 21.5
Weight without brake m kg 19