대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 2004년도 춘계학술대회 논문집 전기기기 및 에너지변환시스템부문
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- Pages.133-135
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- 2004
다출력 전원회로의 안정화를 위한 자기증폭기의 특성해석
Analysis on the Characteristics of Magnetic Amplifier for Multi-output Postregulation
- Kim, Cherl-Jin (Halla University) ;
- Lee, Kwan-Yong (Halla University) ;
- Hong, Dae-Shik (Halla University) ;
- Kim, Young-Tae (Won-Ju college) ;
- Baek, Soo-Hyun (Donggkuk University)
- 발행 : 2004.04.22
초록
As a result of the recent advances in magnetic materials, the Magnetic Amplifier(Magamp) technique is one of the reliable and cost-effective postregulation method for multiple-output power supply. This is true for high-current postregulated output since at highter output current the efficiency of linear postregulation is unacceptably low, while the complexity of more efficient switch mode postregulator is associated with a significant cost. Magamp have some advantages of higher power density, simple control circuit, good regulation, high frequency and high performance. In this paper, Operation principle of proposed approach and a performance of magamp control circuit with TL431 is described. The comparative analysis of magamp circuit and buck regulator circuit with 20W load condition is conducted. Experimental verifications on multi-output flyback converter are conducted. Simulations and experimental results show that the proposed approach is efficiency and voltage regulation of the auxiliary output is excellent.
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