Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-126 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-66 1FT6168, water cooled
1FT6168
Technical data Code Units -8WB7
Engineering data
Rated speed n
N
rpm
1500
1)
Number of poles 2p 8
Rated torque (100 K)
M
N(100 K)
Nm
690
1)
Rated current (100K)
I
N
A
221
1)
Stall torque (60K)
M
0(60 K)
Nm 600
Stall torque (100K)
M
0(100 K)
Nm 700
Stall current (60K)
I
0(60 K)
A193
Stall current (100K)
I
0(100 K)
A225
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
––
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
3100
Optimum operating point
Optimum speed
n
opt
rpm
1500
1)
Optimum power
P
opt
kW
108
1)
Limiting data
Max. permissible speed (mech.)
n
max
rpm 3100
Maximum torque
M
max
Nm 1200
Maximum current
I
max
A479
Physical constants
Torque constant
k
T
Nm/A 3.11
Voltage constant
k
E
V/1000 rpm 203
Winding resistance at 20 °C
R
ph
Ohm 0.02
Rotating field inductance
L
D
mH 0.69
Electrical time constant
T
el
ms 35
Shaft torsional stiffness
c
t
Nm/rad 432000
Mechanical time constant
T
mech
ms 1.9
Thermal time constant
T
th
min 8
Weight with brake m kg ––
Weight without brake m kg 210
1) Rated point only valid for MASTERDRIVES MC (AFE)
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