Comparison Of The Properties Of The Motor-Side Reactors And Filters - Siemens SINAMICS G130 Engineering Manual

1.10.4

Comparison of the properties of the motor-side reactors and filters

The table below provides an overview of the key properties of the motor-side reactors and filters.
Converter output:
Voltage rate-or-rise dv/dt
at the motor terminals
Peak voltage V
PP
at the motor terminals
Permitted
pulse modulation systems
Permitted
pulse frequencies
Permitted
output frequencies
Permitted
control modes
Control quality and
dynamic response
Stray losses
in reactor or filter
relative to converter
losses in rated operation
Stray losses in motor
due to converter supply
relative to rated operation
Reduction in motor noise
caused by converter
Reduction in bearing currents
in the motor
Max. cable length shielded
Max. cable length unshielded
Volume
Price
Comparison of the key propertiesof motor-side reactors and filters
Fundamental Principles and System Description
Without With
reactor or filter motor reactor
High
(see chart (see chart
on next page) on next page)
High Relatively high
(see chart (see chart
on next page) on next page)
No restrictions No restrictions
No restrictions ≤ 2x factory setting
No restrictions ≤ 150 Hz
Servo control Servo control
Vector control Vector control
V/f control V/f control
Very high
– Approx. 10 %
Approx. 10 % Approx. 10 %
No
No
300 m
450 m
–
–
SINAMICS Engineering Manual – November 2015
Engineering Information
With
dv/dt filter
Medium Low
(see chart
on next page)
Low
(see chart
on next page)
No restrictions
≤ 2x factory setting
≤ 150 Hz
Servo control
Vector control
V/f control
High High
Approx. 10 – 15 %
Approx. 10 %
Minimal Minimal
Medium Yes
300 m 100 m or 300 m
450 m 150 m or 450 m
Low Medium
Low Medium to high
Ó Siemens AG
With
sine-wave filter
Very low
(see chart
on next page)
Very low
(see chart
on next page)
Space vector
modulation SVM only
Exactly 2x factory
setting
≤ 150 Hz
Vector control
V/f control
Low
Approx. 10 – 15 %
Very low
Significant
Yes
300 m
450 m
Medium
High
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