Parker K Series User Manual

25 - PVD 3674_GB_K Series_CE-November 2016.Docx
3.2.10. Electric time constant & Mechanical time constant
With following values given in the kit data sheet:
L
ph_ph
inductance of the motor phase to phase [H],
R
ph_ph
resistance of the motor phase to phase at 25°C [Ohm].
J inertia of the rotor [kgm²],
K
b
Voltage constant [V/rad/s]
Ke
ph_ph
back emf coefficient phase to phase [V
rms
/
rad/s
]=K
b
/  2
Electric time constant: Mechanical time constant:
phph
phph
elec
R
L
_
_
 
2
_
_
)(
**5.0
phph
phph
mech
Ke
JR
 
Hereunder is given an overall summary of kit time constants:
Type
Electric time
constant [ms]
Mechanical time
constant [ms]
K032050_EY
0.5
1.1
K032100_EY
0.8
0.8
K032200_EY
1
0.6
K044050_EY
0.7
1.2
K044100_EY
1.1
0.8
K044200_EY
1.4
0.6
K064050_EY
1.2
1.3
K064100_EY
1.8
0.8
K064200_EY
2.5
0.6
K089050_9Y
1.5
1.4
K089100_9Y
2.3
1
K089200_9Y
3.1
0.7
K178050_EY
3.8
1.1
K178100_EY
6.2
0.7
K178200_EY
8.9
0.5

Parker K Series Specifications

General

Brand	Parker
Model	K Series
Category	Servo Drives
Language	English