Motor-Side Power Components; Sine-Wave Filter; Description - Siemens Sinamics S120 Manual
Liquid-cooled chassis power units
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Also See for Sinamics S120:
- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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Motor-side power components
7.1
Sine-wave filter
7.1.1
Description
If a sine-wave filter is connected to the output of the Power Modules or Motor Modules, the
voltage between the motor terminals is virtually sinusoidal. This reduces the voltage load on
the motor windings and prevents motor noise that would be induced by the pulse frequency.
Sine-wave filters are available up to a converter type power rating of 250 kW (without
consideration for derating).
The pulse frequency of the Power Modules or Motor Modules must be set to 4 kHz for the
sine-wave filters. This reduces the output current of the Power Modules or Motor Modules.
When a sine-wave filter is used, the available output voltage decreases by 15%.
Figure 7-1
Liquid-cooled chassis power units
Manual, (GH7), 11/2016, 6SL3097-4AM00-0BP7
Sine-wave filter
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