Interroll 138i - List of Abbreviations; Electrical Data

Interroll Drum motor series i, S, S/A, D
Appendix
108
Version 4.1 (06/2015) en-US
Translation of original instruction manual
List of abbreviations
P
N
in kW Rated output in kilowatt
np Number of poles
n
N
in 1/min. Rated speed of rotor in revolutions per minute
f
N
in Hz Rated frequency in Hz
U
N
in V Rated voltage in volt
I
N
in A Rated current in ampere
I
0
in A Rated open-circuit current in ampere
I
max
in A Maximum current in ampere
cos φ Power factor
η
Efficiency
J
R
in kgcm
2
Rotor moment of inertia
I
S
/I
N
Ratio of startup current to rated current
M
S
/M
N
Ratio of starting torque to rated torque
M
P
/M
N
Ratio of pull-up torque to rated torque
M
B
/M
N
Ratio of pull-out torque to rated torque
M
N
in Nm Rated torque of rotor in Newton meter
M
0
in Nm Stalled torque in Newton meter
M
max
in Nm Maximum torque in Newton meter
R
M
in Ω Phase resistance in ohm
R
A
in Ω Phase resistance of auxiliary winding in ohm
L
sd
in mH Inductance of d-axles in millihenry
L
sq
in mH Inductance of q-axles in millihenry
L
sm
in mH Averaged inductance in millihenry
k
e
in V/krpm Induced motor voltage
T
e
in ms Electrical time constant in milliseconds
k
TN
in Nm/A Torque constant in Newton meter per ampere
U
SH
in V Heating voltage in volt
U
SH delta
in V Standstill heating voltage in delta connection in volt
U
SH star
in V Standstill heating voltage in star connection in volt
U
SH ~
in V Heating voltage for single-phase units in volt
C
r
in µF Run capacitor (1~) / Steinmetz capacitor (3~) in microfarad
Electrical data