Analysis and design of EMI filter for multi-output switching mode power supply

Author

He, Zong-Yu ; Shih, Fu-Yuan ; Chen, Yie-Tone ; Wu, Yan-Pei

Author_Institution

Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan

fYear

1994

fDate

30 Oct-3 Nov 1994

Firstpage

457

Lastpage

463

Abstract

In this paper, a generalized method has been used to discuss the influence of the EMI filter on the stability and the performance of multi-output switching mode power supplies. Criteria for the design of single stage EMI filters are proposed. These criteria satisfy the requirement of specification for EMI and guarantee the system to be stable at the same time. Furthermore, whether there exists a post regulator or a preregulator in the system, or a single output system, the generalized formula of performance derived in this paper always performs well

Keywords

circuit stability; electromagnetic interference; network analysis; network synthesis; power filters; power system harmonics; switched mode power supplies; EMI filter; SMPS; circuit analysis; circuit design; generalized formula; multi-output switching mode power supply; performance; post regulator; preregulator; single output system; specification; stability; Circuits; Electromagnetic interference; Filters; Helium; Noise reduction; Power supplies; Regulators; Stability; Switches; Transfer functions;

fLanguage

English

Publisher

ieee

Conference_Titel

Telecommunications Energy Conference, 1994. INTELEC '94., 16th International

Conference_Location

Vancouver, BC

Print_ISBN

0-7803-2034-4

Type

conf

DOI

10.1109/INTLEC.1994.396629

Filename

396629