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Delta VFD-ED Series User Manual

Delta VFD-ED Series
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Appendix A. EMC Standard Installation GuideVFD-ED
A-6
4. The common-mode noise of an unshielded power cable is transmitted to the ground via the stray
capacitance. Since both shielded wire and unshielded wire are connected to a common ground,
other systems can be interfered with by the common-mode noise that is transmitted from the
ground back to the system via the shield. See Figure A-4.
Noi se
Unshi el ded cabl e
Ground
Send
Recei ve
L oad
Cst r ay
Cst r ay
5. When excessive pulse modulated currents pass through an un-grounded AC drive cable, it acts as
an antenna and creates radiated interference.
Figure A-4

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Delta VFD-ED Series Specifications

General IconGeneral
BrandDelta
ModelVFD-ED Series
CategoryDC Drives
LanguageEnglish

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