Siemens 1FT7 Configuration Manual

Technical data and characteristic curves
4.2 Torque-speed characteristics
1FT7 Synchronous Motors
120 Configuration Manual, (PFT7S) 01/2009, 6SN1197-0AD13-0BP2
Table 4- 23 1FT7084-AH7
Technical data Code Unit Value
Configuration data
Rated speed n
r
rpm 4,500
Number of poles 2p --- 10
Rated torque (100 K) M
r (100 K)
Nm 9.5
Rated current I
r
A 7.8
Static torque (60 K) M
0 (60 K)
Nm 16.8
Static torque (100 K) M
0 (100 K)
Nm 20
Stall current (60 K) I
0 (60 K)
A 13
Stall current (100 K) I
0 (100 K)
A 15.6
Moment of inertia (with brake) J
MotBr
10
-4
kgm
2
60.4
Moment of inertia (without brake) J
mot
10
-4
kgm
2
45.1
Optimum operating point
Optimum speed n
opt
rpm 4,000
Optimum power P
opt
kW 4.82
Limiting data
Max. permissible speed (mech.) n
max mech.
rpm 8,000
Max. permissible speed (inverter) n
max Inv
rpm 7,200
Max. torque M
max
Nm 81
Maximum current I
max
A 80
Physical constants
Torque constant k
T
Nm/A 1.28
Voltage constant k
E
V/1,000 rpm 80
Winding resistance at 20 °C R
ph
Ω 0.17
Rotating field inductance L
D
mH 2.9
Electrical time constant T
el
ms 17
Mechanical time constant T
mech
ms 1.4
Thermal time constant T
th
min 55
Shaft torsional stiffness c
t
Nm/rad 65,100
Weight with brake m
MotBr
kg 25.1
Weight without brake m
Mot
kg 20.8
Recommended Motor Module 6SL112-TE21-8AA
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 42

Siemens 1FT7 Specifications

General

Brand	Siemens
Model	1FT7
Category	Engine
Language	English