Sinusoidal filters

Reliable sinusoidal filters from TRAMAG

For increasing the efficiency of motor systems

As filter circuits, sinusoidal filters ensure that the output voltage becomes sinusoidal again at a fixed resonance frequency. This protects the motor, the motor cables can be longer and the motor noise as well as the motor heating are positively reduced. This increases the overall efficiency of the system and reduces the problem of voltage spikes.

We provide sinusoidal filters for the following industries

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Specifications of sinusoidal filters from TRAMAG

Technical characteristics and quality features

Sinusoidal filters: Applications

Unwanted voltage surges occur between frequency converters and the motor, caused by longer cable lengths at the motor terminals. The design of TRAMAG sinusoidal filters, which is carried out for a specific clock frequency of the inverter in relation to the fundamental frequency, provides a remedy. Chokes as inductance and corresponding capacitances form a low-pass filter.

Sinusoidal filter: Technical characteristics

  • Rated voltage: Depending on the model 200-690 V
  • Base frequency: Up to 800 Hz
  • Clock frequency: Max. 8k Hz
  • Protection classes: IP23, IP00

Sinusoidal filter: Quality features

  • DIN EN 61558-2-20
  • UL/CSA
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