| The use of switch mode power supplies or variable speed drives with uncontrolled rectifier input circuit (B2 or B6) can cause interference on the mains or the motor side. Depending on the application those interference can be reduced by the following means: |
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Input chokes can reduce the ripple and the harmonics on the mains which can improve the life time of electronic components. |
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HF-filters reduce the interference caused by variable speed drives |
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NHF-filter s combine filters and chokes in a single unit |
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Central filters for 3 or 4 phase systems used for several components in one system |
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For internal interference suppression open chokes for common mode current rejection are available |
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| Motor: : |
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Output chokes for 50/60 Hz; as well as 100 Hz, 300 Hz and up to 1600 Hz are available |
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Sinusoidal-filter s generate sinusoidal voltage characteristics and reduce the symmetric interference; available for output frequencies up to 600 Hz |
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Sinusoidal EMC filters are a combination of sinusoidal and EMC filter to reduce the symmetric as well as teh asymmetric interference. EMC compliance can be achieved without the need for screened cables. |
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| Integrated compact EMC solution : |
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I/O-filter s combine input HF filter and output dv/dt filter. |
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| Further more detailled information you find in the catalog COMBILINE. |
