Siemens 1FT7 - Page 172

Technical data and characteristic curves
4.2 Torque-speed characteristics
1FT7 Synchronous Motors
172 Configuration Manual, (PFT7S) 01/2009, 6SN1197-0AD13-0BP2
Table 4- 49 1FT7086-5WC7
Technical data Code Unit Value
Configuration data
Rated speed n
r
rpm 2,000
Number of poles 2p --- 10
Rated torque (100 K) M
r (100 K)
Nm 50
Rated current I
r
A 24
Static torque (60 K) M
0 (60 K)
Nm 41
Static torque (100 K) M
0 (100 K)
Nm 50
Stall current (60 K) I
0 (60 K)
A 19
Stall current (100 K) I
0 (100 K)
A 23
Moment of inertia (with brake) J
MotBr
10
-4
kgm
2
81.9
Moment of inertia (without brake) J
mot
10
-4
kgm
2
67.8
Optimum operating point
Optimum speed n
opt
rpm 2,000
Optimum power P
opt
kW 10.5
Limiting data
Max. permissible speed (mech.) n
max mech.
rpm 8,000
Max. permissible speed (inverter) n
max Inv
rpm 4,300
Max. torque M
max
Nm 125
Maximum current I
max
A 75
Physical constants
Torque constant k
T
Nm/A 2.17
Voltage constant k
E
V/1,000 rpm 136
Winding resistance at 20 °C R
ph
Ω 0.25
Rotating field inductance L
D
mH 3.60
Electrical time constant T
el
ms 15
Mechanical time constant T
mech
ms 1.1
Thermal time constant T
th
min. 1.5
Shaft torsional stiffness c
t
Nm/rad 57,100
Weight with brake m
MotBr
kg 37.1
Weight without brake m
Mot
kg 34.1
Recommended Motor Module 6SL312-1TE23-0AA3
Rated inverter current I
r Inv
A 30
Maximum inverter current I
max Inv
A 56
Max. torque at I
max Inv
M
max Inv
Nm 100