Quantum SNC 4500 Manuel d'utilisateur télécharger pdf (Page 26)

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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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Quantum SNC 4500 Manuel d'utilisateur Page 26