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1
General information
List of abbreviations
1-7
Small drives en 07/2010
Abbreviations used in this catalogue:
±
Angle of action of radial force
c
Load capacity of
gearboxes/geared motors
d
w
[mm]
Effective diameter of
transmission element
cos
²
Motor power factor
cos
²
N
Power factor of asynchronous motors
F
a
[N]
Applied axial force
F
a
[N]
Permissible axial force
Fa
Tab
[N]
Table value of axial force
f
ch
[kHz]
Chopper frequency
f
d
[Hz]
Field frequency
F
I
Mass acceleration factor
f
max
[Hz]
Set maximum frequency
f
r
[Hz]
Rated frequency
F
r
[N]
Applied radial force
F
r Tab
[N]
Table value of radial force
F
r
[N]
Permissible radial force
f
w
Load position factor of applied
radial force
f
±
Effective direction factor of applied
radial force
f
z
Additional radial force factor of
transmission element
i
Ratio
²
Ratio step
³
Mechanical efficiency
I
0
[A]
Continuous standstill current
I
A
[A]
Motor starting current
I
max
[A]
Maximum output current
I
r
[A]
Rated current
I
mains
[A]
Rated mains current
J
ext
[kgm
2
]
Moment of inertia of the machine to be
driven reduced to motor shaft
J
load
[kgm
2
]
Moment of inertia of the load machine
J
mot
[kgm
2
]
Moment of inertia of the motor
J
A
[kgm
2
]
Moment of inertia of the drive
reduced to drive shaft
J
B
[kgm
2
]
Moment of inertia of the brake
k
Application factor
(following DIN 3990)
L
[mH]
Inductance
m
[kg]
Weight
M
0
[Nm]
Continuous standstill torque
M
1
[Nm]
Input torque
M
2
[Nm]
Output torque
M
r
[Nm]
Rated torque
M
A
[Nm]
Starting torque of motor
M
B
[Nm]
Holding torque of brake
M
cont
[Nm]
Continuous torque
M
stall
[Nm]
Stalling torque of motor
M
I
Maximum torque factor
M
max
[Nm]
Maximum torque
M
perm
[Nm]
Permissible torque
n
1
[rpm ]
Input speed
n
2
[rpm ]
Output speed
n
r
[rpm ]
Rated speed
n
max
[rpm ]
Maximum speed
P
1
[kW]
Drive power
P
2
[kW]
Output power
P
r
[kW]
Rated power
P
V
[kW]
Inverter power loss
R
[Ω]
Resistance
S
r
[kW]
Inverter output power
TU
[°C]
Operating ambient temperature
UG
[V]
DC-bus voltage
U
r
[V]
Rated voltage
U
mains
[V]
Mains voltage
û
[kV]
Voltage peak
IP
International protection code
IEC
International Electrotechnical
Commission
DIN
Deutsches Institut für Normung
VDE
Verband deutscher Elektrotechniker
USDA
United States Department of Agriculture
NEMA
National Electrical Manufacturers
Association
AC
Alternating current/voltage
DC
Direct current/voltage
EMC
Electromagnetic compatibility
EN
European standard
CE
Communauté Européene
IM
International Mounting Code