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Part
Name
Mounting Location Function description
input side effectively and prevent other
equipment from damaging due to
distortion of voltage wave.
3) Eliminate the input current unbalance
due to unbalance between the power
phases.
EMC
Input
filter
Input side of the servo
driver
1) Reduce the external conduction and
radiation interference of the servo driver.
2) Decrease the conduction interference
flowing from the power end to the servo
driver and improve the anti-interference
capacity of the servo driver.
DC
reactor
IS300 series servo
driver adopts DC
reactor above
IS300T015 (included)
as standard.
1) Improve the power factor of the input
side;
2) Improve the whole efficiency and
thermal stability of the servo driver.
3) Eliminate the impact of higher
harmonics of the input side on the servo
driver and reduce the external conduction
and radiation interference.
AC
output
reactor
Between the servo
driver output side and
the motor. Close to
the servo driver.
The servo driver output side generally
has higher harmonics. When the motor is far
from the servo driver, since there are many
distributed capacitors in the circuit, certain
harmonics may cause resonance in the
circuit and bring about the following two
impacts:
1) Degrade the motor insulation
performance and damage the motor for
the long run.
2) Generate large leakage current and
cause frequent servo driver protection.
In general, the distance between the
servo driver and the motor exceeds 100
meters. Installation of output AC reactor is
recommended.
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