EMI/EMC issues in switch mode power supplies (SMPS)

Nagrial, M.; Hellany, A.

doi:10.1049/cp:19990266

Cited by 22 publications

(12 citation statements)

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“…Therefore, we select C y value according to Eq. (2) and L c can be determined. Owing to the two common mode inductors wired on the same ferrite core, the differential inductor L d is contributed from the leakage inductor of this ferrite core and can be neglected.…”

Section: Design Of Emi Filtersmentioning

confidence: 99%

“…The conventional approach is to cure the CE problem by using EMI filter that can decrease the noise generated by the switching circuit [1]. The switching power supply can be a major source of interference for personal computer [2]. The EMI study for the switching power supply is a very important topic for electrical and electronic engineers.…”

Section: Introductionmentioning

confidence: 99%

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The System for the Reduction of Conducted Electromagnetic Interference Emission from Switching Power Supply

Chen

Huang

2007

Third International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP 2007)

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Transmission of multimedia signals is commonly encountered in our daily life. Besides the researches in the base-band processing, transmission of multimedia signals is also an important branch. For transmission, the external power supply is inevitable, and the PC switching power supply produces the conducted emissions. These emissions usually can be reduced by using electromagnetic interference (EMI) filters. This research observes the conducted emissions from switching power supply by means of various EMI filters. The measured conducted emissions are unable to meet the limitation of FCC Part 15 Class B conducted by adopting commercial EMI filters, so we design EMI filters to reduce the conducted emissions produced by switching power supply in this study. We consider the common mode noise of switching power supply in order to simplify the design of EMI filter and use the power splitter to obtain the common mode noise. With suitable design of EMI filter, the conducted emissions of switching power supply will be reduced and accord with the limitation of FCC Part 15 Class B conducted.

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Section: Design Of Emi Filtersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The System for the Reduction of Conducted Electromagnetic Interference Emission from Switching Power Supply

Chen

Huang

2007

Third International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP 2007)

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“…While it has higher efficiency compared with linear VR, switching VR also brings some challenges due to its characteristic of fast changing voltages (dv/dt) and fast changing current (di/dt). EMI problems caused by switching VR have been widely studied [2][3][4]. And there are also some studies on impact of VR noise on SI [5][6][7][8] in recent years.…”

Section: Introductionmentioning

confidence: 99%

VR noise analysis and reduction in printed circuit board designs

Ren

Shen

Xiao

2014

2014 IEEE International Symposium on Electromagnetic Compatibility (EMC)

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“…The various regulatory bodies do not recognise the tests, the material standards, the laboratory certification credentials or the procedures followed by other regulatory bodies. One way of getting around this issue is for a certification of manufacturer compliance to accompany goods [3].…”

Section: Introductionmentioning

confidence: 99%

Electromagnetic Compatibility/Interference issues in television

Hellan

Nagrial

Rizk

2007

2007 International Symposium on High Capacity Optical Networks and Enabling Technologies

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An Electromagnetic interference (EMI) noise can couple with a high frequency TV signal on a transmission system and passes through access fiber to the optical network unit (ONU). The ONU can serve then as a medium for the noise to propagate to other equipment. In this paper, the issue of electromagnetic compatibility in relation to television design is discussed. After a general introduction to Electromagnetic Compatibility (EMC) on a global basis, the particular EMC requirements in product design are presented. Then the requirements for cost effective TV product design in Electromagnetic Compatibility /Interference (EMC/EMI) terms are summarised. Keywords; wireless and satellite communicationsOptical network unit, Electromagnetic Compatibility (EMC), interference (EMI) TelevisionI.

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EMI/EMC issues in switch mode power supplies (SMPS)

Cited by 22 publications

References 0 publications

The System for the Reduction of Conducted Electromagnetic Interference Emission from Switching Power Supply

The System for the Reduction of Conducted Electromagnetic Interference Emission from Switching Power Supply

VR noise analysis and reduction in printed circuit board designs

Electromagnetic Compatibility/Interference issues in television

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