Study of a DC voltage equalizing circuit and a zero‐sequence voltage control method for a diode‐clamped linear amplifier | Zendy

Yamashita Naoya | Zendy; Fujita Hideaki | Zendy

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Study of a DC voltage equalizing circuit and a zero‐sequence voltage control method for a diode‐clamped linear amplifier

Author(s) -

Yamashita Naoya,

Fujita Hideaki

Publication year - 2012

Publication title -

electrical engineering in japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.136

H-Index - 28

eISSN - 1520-6416

pISSN - 0424-7760

DOI - 10.1002/eej.21131

Subject(s) - voltage , diode , electrical engineering , amplifier , zero (linguistics) , materials science , sequence (biology) , physics , control theory (sociology) , electronic engineering , optoelectronics , engineering , computer science , control (management) , chemistry , cmos , philosophy , linguistics , biochemistry , artificial intelligence

2,3 This paper proposes a DC voltage equalizing circuit for a diode‐clamped linear amplifier (DCLA). The DCLA consists of series‐connected complementary MOSFETs and diode clamping circuits, with an experimental efficiency as high as 90% without switching operation. The DCLA requires a DC voltage equalizing circuit to divide the DC voltage into several levels. The proposed DC voltage equalizing circuit allows the use of a diode rectifier with a smoothing capacitor as a power supply for the DCLA. Zero‐sequence voltage control is proposed to improve the efficiency of the DCLA. As a result, a prototype 12‐series DCLA demonstrates an experimental efficiency as high as 94.7%. © 2012 Wiley Periodicals, Inc. Electr Eng Jpn, 179(2): 55–63, 2012; Published online in Wiley Online Library ( wileyonlinelibrary.com ). DOI 10.1002/eej.21131

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