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Questions

  • No : 22100
  • Release Date : 2018/08/22 16:30
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Influence on external measurement device

Sometimes a tan delta measuring device approximately 5 m apart from the inverter becomes unavailable for measurement.
It is an old device with no protection. Is this caused by noise or harmonics?
What countermeasure is effective?
Category : 

Answer

It is considered that malfunction of the measurement device is due to noise.
Check the noise propagation route since the countermeasure depends on it.
Some countermeasure against noise are as follows:
- Change the inverter's carrier frequency to a lower value.
- Keep the inverter, power cable, and sensor signal cable apart from each other as far as possible
- Install noise filters
- Use shielded cables
- Use shielding plates
Product Name
Inverter, magnet motor drive
Series
Others
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