Best EMC Installation Practice for Variable Speed Drives ...

Session Fourteen: Best EMC Installation Practice for VSD Earthing, Lightning & Surge Protection IDC Technologies 1 Session Fourteen: Best EMC Installation Practice for Variable Speed Drives Understanding the Main Differences and Goals Between Earthing and Bonding Eduardo Gie Technical Manager, Danfoss Pacific Power Electronics Abstract The application of Variable Speed Drives (VSDs) or/ Variable frequency Drives (VFDs) are well-known for their benefits. They are energy efficient and flexible in the controlling of processes and machinery using standard AC or PM motors. Although many VSD s can provide efficient control, depending on the design and Installation of the VSD, they may result in increased problems elsewhere in the electrical system. When electrical noise problems arise, it can result in unreliable operation of other equipment, increased liability, increased project timescales and result in non-compliance with regulatory requirements.

Session Fourteen: Best EMC Installation Practice for VSD ... Such a phenomenon is a result of radio frequency interference (RFI) or electro- magnetic interference (EMI). The switching of the light switch results in ... procedures, possibly including the installation of a separate RFI filter if necessary, and therefore the conducted RFI ...

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  Filter, Electro, Interference, Magnetic, Electro magnetic interference

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