NDLI: Effective filtering solution with low cost small size for common-mode reduction in dc

Content Provider	IET Digital Library
Author	Laour, M. Tahmi, R.
Abstract	An effective solution is introduced aimed to reduce the size and cost of electromagnetic interference (EMI) filters in dc–dc converters. This method is based on the insertion of small ground inductor (grounded through RF inductor). This technique is suitable for unshielded cables. The RF inductor prevent the return current of the common-mode (CM) noise at high frequencies, it is inserted between the earth ground (ground reference plane) and the chassis ground of the converter, therefore it isolate the converter chassis from power line ground at high frequencies. As well, maintaining the electrical safety grounding at the power frequency with very low impedance to ground. The efficiency of the proposed method is demonstrated by combining measurements and simulations for the fast testing. The level of CM current is compared versus a specific standard. This allows showing that the EMI emission levels can be reduced by as much as 30 dB.
Starting Page	388
Ending Page	390
Page Count	3
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 5, Mar (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2015.3296
Journal	Electronics Letters
Publisher Date	2016-02-05
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Cables (electric) CM Noise Common-mode Noise Common-mode Reduction DC-DC Converter DC-DC Power Converter Earthing Electrical Safety Electromagnetic Interference Electromagnetic Interference Filtering Solution EMI Filtering Solution Filter Filter And Other Network Ground RF Inductor Inductor Inductors And Transformer Power Electronics Power Line Power Supply Supervisory Circuit Unshielded Cable Wires And Cables
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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