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A High-Efficiency Diode-Clamped Linear Amplifier
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- Fujita Hideaki
- Dept. of Electrical and Electronic Engineering, Tokyo Institute of Technology
Bibliographic Information
- Other Title
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- ダイオードクランプ回路を用いた高効率線形増幅回路
- ダイオードクランプ カイロ オ モチイタ コウコウリツ センケイ ゾウフク カイロ
- A high‐efficiency diode‐clamped linear amplifier
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Description
This paper proposes a new power converter without any switching operation, which works as a linear amplifier. The main circuit of the proposed converter consists of series-connected MOSFETs, series-multi dc power supplies and clamping diodes. The circuit configuration is similar to a diode-clamped multi-level inverter, except for using complementary power devices, which are n- and p-channel MOSFETs. One of the series-connected MOSFETs operates in an active state just like a linear amplifier, while the other MOSFETs operate in on or off states like an inverter circuit. As a result, the proposed converter achieves an acceptable efficiency as high as 90% without any ripples nor harmonics caused by switching operation. Experimental results demonstrate that the proposed converter has capability of driving a 2.2-kW three-phase induction motor.
Journal
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- IEEJ Transactions on Industry Applications
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IEEJ Transactions on Industry Applications 127 (1), 9-16, 2007
The Institute of Electrical Engineers of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390282679634420096
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- NII Article ID
- 10018660403
- 210000181700
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- NII Book ID
- AN10012320
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- BIBCODE
- 2007IJTIA.127....9F
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- ISSN
- 13488163
- 19429541
- 09136339
- 19429533
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- NDL BIB ID
- 8623063
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed