Siemens 1FT7 Configuration Manual

Technical data and characteristic curves
4.2 Torque-speed characteristics
1FT7 Synchronous Motors
158 Configuration Manual, (PFT7S) 01/2009, 6SN1197-0AD13-0BP2
Table 4- 42 1FT7068-5WF7
Technical data Code Unit Value
Configuration data
Rated speed n
r
rpm 3,000
Number of poles 2p --- 10
Rated torque (100 K) M
r (100 K)
Nm 29.5
Rated current I
r
A 19.6
Static torque (60 K) M
0 (60 K)
Nm 24
Static torque (100 K) M
0 (100 K)
Nm 30
Stall current (60 K) I
0 (60 K)
A 15.2
Stall current (100 K) I
0 (100 K)
A 19.0
Moment of inertia (with brake) J
MotBr
10
-4
kgm
2
27.4
Moment of inertia (without brake) J
mot
10
-4
kgm
2
24.8
Optimum operating point
Optimum speed n
opt
rpm 3,000
Optimum power P
opt
kW 9.27
Limiting data
Max. permissible speed (mech.) n
max mech.
rpm 9,000
Max. permissible speed (inverter) n
max Inv
rpm 5,800
Max. torque M
max
Nm 70
Maximum current I
max
A 55.5
Physical constants
Torque constant k
T
Nm/A 1.58
Voltage constant k
E
V/1,000 rpm 99.5
Winding resistance at 20 °C R
ph
Ω 0.31
Rotating field inductance L
D
mH 3.03
Electrical time constant T
el
ms 10
Mechanical time constant T
mech
ms 0.9
Thermal time constant T
th
min. 1.5
Shaft torsional stiffness c
t
Nm/rad 21,700
Weight with brake m
MotBr
kg 21.3
Weight without brake m
Mot
kg 20.1
Recommended Motor Module 6SL312-TE21-8AA3
Rated inverter current I
r Inv
A 18
Maximum inverter current I
max Inv
A 36
Max. torque at I
max Inv
M
max Inv
Nm 49.5

Siemens 1FT7 Specifications

General

Brand	Siemens
Model	1FT7
Category	Engine
Language	English