Techniques for input ripple current cancellation: Classification and implementation

N. K. Poon; J. C P Liu; Chi Kong Tse; M. H. Pong

doi:10.1109/PESC.2000.879940

Techniques for input ripple current cancellation: Classification and implementation

N. K. Poon, J. C P Liu, Chi Kong Tse, M. H. Pong

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

Abstract

Switching power supplies, due to their high-frequency switching operation, draw a substantial amount of input ripple current, which manifests as undesirable electromagnetic interference (EMI). This paper discusses the cancellation methods, and classifies the basic circuit configurations for ripple current cancellation. The basis of discussion is a `nullification' process, which can be described effectively in terms of the ideal circuit element nullor. Both active and passive implementation examples are given and experimentally demonstrated.

Original language	English
Title of host publication	PESC Record - IEEE Annual Power Electronics Specialists Conference
Pages	940-945
Number of pages	6
Volume	2
DOIs	https://doi.org/10.1109/PESC.2000.879940
Publication status	Published - 1 Dec 2000
Externally published	Yes
Event	2000 IEEE 31st Annual Power Electronics Specialists Conference (PESC) - Galway, United Kingdom Duration: 1 Dec 2000 → … Conference number: 31

Conference

Conference	2000 IEEE 31st Annual Power Electronics Specialists Conference (PESC)
Country/Territory	United Kingdom
City	Galway
Period	1/12/00 → …

ASJC Scopus subject areas

Electrical and Electronic Engineering

More information

10.1109/PESC.2000.879940

Cite this

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abstract = "Switching power supplies, due to their high-frequency switching operation, draw a substantial amount of input ripple current, which manifests as undesirable electromagnetic interference (EMI). This paper discusses the cancellation methods, and classifies the basic circuit configurations for ripple current cancellation. The basis of discussion is a `nullification' process, which can be described effectively in terms of the ideal circuit element nullor. Both active and passive implementation examples are given and experimentally demonstrated.",

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Techniques for input ripple current cancellation: Classification and implementation. / Poon, N. K.; Liu, J. C P; Tse, Chi Kong et al.
PESC Record - IEEE Annual Power Electronics Specialists Conference. Vol. 2 2000. p. 940-945.

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

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AB - Switching power supplies, due to their high-frequency switching operation, draw a substantial amount of input ripple current, which manifests as undesirable electromagnetic interference (EMI). This paper discusses the cancellation methods, and classifies the basic circuit configurations for ripple current cancellation. The basis of discussion is a `nullification' process, which can be described effectively in terms of the ideal circuit element nullor. Both active and passive implementation examples are given and experimentally demonstrated.

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Techniques for input ripple current cancellation: Classification and implementation

Abstract

Conference

ASJC Scopus subject areas

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