Techniques for input ripple current cancellation: Classification and implementation

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

doi:10.1109/63.892829

Techniques for input ripple current cancellation: Classification and implementation

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

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › 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
Pages (from-to)	940-945
Number of pages	6
Journal	PESC Record - IEEE Annual Power Electronics Specialists Conference
Volume	2
DOIs	https://doi.org/10.1109/63.892829
Publication status	Published - 1 Jan 2000

ASJC Scopus subject areas

Modelling and Simulation
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

More information

10.1109/63.892829

http://hdl.handle.net/10397/709

Cite this

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Techniques for input ripple current cancellation: Classification and implementation

Abstract

ASJC Scopus subject areas

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