Quantum SNC 4500 Manual de usuario Pagina 26

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26
Drive EMC Filters
Electromagnetic Compatibility Filters
EMC lters are used to minimize high-frequency power
supply line disturbances caused by drives that may
interfere with proper operation of sensitive electronic
equipment. These specic lters have been assessed for
conformance with the EMC directive by testing with the
appropriate Control Techniques drives.
EMC data sheets are available for digital drive products.
These data sheets list the applicable harmonic standards
and give recommended installation techniques and further
information on EMC behavior in typical situations.
All Control Techniques AC and DC drives include internal
EMC lters. The lters listed in the following tables are
used in addition to the standard onboard lter to provide
additional interference reduction. Refer to the specic drive
EMC data sheets for details of levels of compliance with IEC
standards.
Filter Types
Low Leakage: low leakage lters limit the leakage current
to ground. The length of the motor cable is severely
restricted when these lters are applied.
Standard: standard lters are designed for use in
industrial or residential applications with longer motor
lead lengths.
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