Siemens 1FT7 Configuration Manual

Technical data and characteristic curves
4.2 Torque-speed characteristics
1FT7 Synchronous Motors
90 Configuration Manual, (PFT7S) 01/2009, 6SN1197-0AD13-0BP2
Table 4- 8 1FT7044-AK7
Technical data Code Unit Value
Configuration data
Rated speed n
r
rpm 6,000
Number of poles 2p --- 6
Rated torque (100 K) M
r (100 K)
Nm 2
Rated current I
r
A 2.5
Static torque (60 K) M
0 (60 K)
Nm 4.4
Static torque (100 K) M
0 (100 K)
Nm 5
Stall current (60 K) I
0 (60 K)
A 4.8
Stall current (100 K) I
0 (100 K)
A 5.7
Moment of inertia (with brake) J
MotBr
10
-4
kgm
2
6.3
Moment of inertia (without brake) J
mot
10
-4
kgm
2
5.43
Optimum operating point
Optimum speed n
opt
rpm 4,500
Optimum power P
opt
kW 1.41
Limiting data
Max. permissible speed (mech.) n
max mech.
rpm 9,000
Max. permissible speed (inverter) n
max Inv
rpm 10,100
Max. torque M
max
Nm 23
Maximum current I
max
A 30
Physical constants
Torque constant k
T
Nm/A 0.88
Voltage constant k
E
V/1,000 rpm 57
Winding resistance at 20 °C R
ph
Ω 0.61
Rotating field inductance L
D
mH 4.2
Electrical time constant T
el
ms 7
Mechanical time constant T
mech
ms 1.3
Thermal time constant T
th
min. 35
Shaft torsional stiffness c
t
Nm/rad 9,500
Weight with brake m
MotBr
kg 8.1
Weight without brake m
Mot
kg 7.2
Recommended Motor Module 6SL112-TE21-0AA
Rated inverter current I
r Inv
A 9
Maximum inverter current I
max Inv
A 18
Max. torque at I
max Inv
M
max Inv
Nm 15

Siemens 1FT7 Specifications

General

Brand	Siemens
Model	1FT7
Category	Engine
Language	English