Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-112 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-58 1FT6108, water cooled
1FT6108
Technical data Code Units -8WB7 -8WC7
Engineering data
Rated speed n
N
rpm 1500 2000
Number of poles 2p 8 8
Rated torque (100 K)
M
N(100 K)
Nm 116 115
Rated current (100K)
I
N
A4357
Stall torque (60K)
M
0(60 K)
Nm 98 98
Stall torque (100K)
M
0(100 K)
Nm 119 119
Stall current (60K)
I
0(60 K)
A3546
Stall current (100K)
I
0(100 K)
A4357
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
291 291
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
260 260
Optimum operating point
Optimum speed
n
opt
rpm 1500 2000
Optimum power
P
opt
kW 18.2
24.1
Limiting data
Max. permissible speed (mech.)
n
max
rpm 5600 5600
Maximum torque
M
max
Nm 220 220
Maximum current
I
max
A116
154
Physical constants
Torque constant
k
T
Nm/A 2.76
2.07
Voltage constant
k
E
V/1000 rpm 185
139
Winding resistance at 20 °C
R
ph
Ohm 0.19
0.11
Rotating field inductance
L
D
mH 4.4
2.5
Electrical time constant
T
el
ms 23 23
Shaft torsional stiffness
c
t
Nm/rad 92000 92000
Mechanical time constant
T
mech
ms 1.9 2.0
Thermal time constant
T
th
min 1.5 1.5
Weight with brake m kg 66 66
Weight without brake m kg 61.5 61.5