JP2012120269A5 - - Google Patents
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- Publication number
- JP2012120269A5 JP2012120269A5 JP2010265544A JP2010265544A JP2012120269A5 JP 2012120269 A5 JP2012120269 A5 JP 2012120269A5 JP 2010265544 A JP2010265544 A JP 2010265544A JP 2010265544 A JP2010265544 A JP 2010265544A JP 2012120269 A5 JP2012120269 A5 JP 2012120269A5
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- perform
- power conversion
- boosting
- circuits
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Claims (4)
第１端に入力された電力を昇圧させた上で第２端から出力する第１伝送動作、および、
第２端に入力された電力を降圧させた上で第１端から出力する第２伝送動作、を行う電力
変換回路であって、
前記複数のチョッパ回路は、
第１端から第２端へ向かう方向への昇圧動作、および、第２端から第１端へ向かう方向
への降圧動作をするよう形成された第１回路と、
第１端から第２端へ向かう方向への昇圧動作をするよう形成された第２回路と、の各々
を少なくとも一つずつ含み、
第１伝送動作を行うときは、
前記第１回路および前記第２回路が、第１端から第２端へ向かう方向への前記昇圧動作
を行い、
第２伝送動作を行うときは、
前記第１回路および前記第２回路が第２端から第１端へ向かう方向への前記降圧動作を
行い、少なくとも前記第２回路の一つは、前記第２回路のみでは実質的に降圧動作を行わ
ないことを特徴とする電力変換回路。 A plurality of chopper circuits are provided between the first end and the second end,
A first transmission operation for boosting the power input to the first end and then outputting from the second end; and
A power conversion circuit that performs a second transmission operation of outputting power from the first end after stepping down power input to the second end,
The plurality of chopper circuits are:
A first circuit formed to perform a step-up operation in a direction from the first end toward the second end and a step-down operation in a direction from the second end toward the first end;
Each including at least one second circuit formed to perform a boosting operation in a direction from the first end toward the second end,
When performing the first transmission operation,
The first circuit and the second circuit perform the boosting operation in a direction from the first end toward the second end;
When performing the second transmission operation,
The first circuit and the second circuit perform the step-down operation in a direction from the second end toward the first end, and at least one of the second circuits substantially performs the step-down operation only with the second circuit. A power conversion circuit that is not performed.
は一部と並列に設けられたバイパスを備え、
前記第２伝送動作を行うときに、前記電力が前記バイパスを通るようにすることで、前
記第２回路が実質的に降圧動作を行わないことを特徴とする請求項１に記載の電力変換回
路。 A bypass provided in parallel with all or a part of the circuit portion of all the second circuits in the plurality of chopper circuits;
2. The power conversion circuit according to claim 1, wherein when the second transmission operation is performed, the second circuit does not substantially perform a step-down operation by allowing the power to pass through the bypass. .
前記第２伝送動作を行うときに、前記第２回路の降圧用スイッチング素子を導通状態に
固定することで、前記第２回路に実質的に降圧動作を行わせないようにすることを特徴と
する請求項１に記載の電力変換回路。 The second circuit is formed as a buck-boost chopper circuit,
When the second transmission operation is performed, the step-down switching element of the second circuit is fixed to a conductive state so that the second circuit is not substantially subjected to the step-down operation. The power conversion circuit according to claim 1.
第１端に入力された電圧を昇圧させた上で第２端から出力する際に昇圧動作を行う前記
チョッパ回路の数よりも、第２端に入力された電圧を降圧させた上で第１端から出力する
際に降圧動作を行う前記チョッパ回路の数を少なくしたことを特徴とする電力変換回路。 A power conversion circuit including a plurality of chopper circuits between a first end and a second end,
Boosting the voltage input to the first end and performing the boosting operation when outputting from the second end
The voltage input to the second terminal is stepped down and output from the first terminal rather than the number of chopper circuits.
A power conversion circuit characterized in that the number of the chopper circuits that perform step-down operation is reduced .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010265544A JP5820978B2 (en) | 2010-11-29 | 2010-11-29 | Power conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010265544A JP5820978B2 (en) | 2010-11-29 | 2010-11-29 | Power conversion circuit |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012120269A JP2012120269A (en) | 2012-06-21 |
| JP2012120269A5 true JP2012120269A5 (en) | 2014-01-23 |
| JP5820978B2 JP5820978B2 (en) | 2015-11-24 |
Family
ID=46502490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010265544A Active JP5820978B2 (en) | 2010-11-29 | 2010-11-29 | Power conversion circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5820978B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6668056B2 (en) * | 2015-11-30 | 2020-03-18 | 日立オートモティブシステムズ株式会社 | Power conversion device, power supply system using the same, and automobile |
| JP6365593B2 (en) * | 2016-05-31 | 2018-08-01 | 株式会社豊田中央研究所 | Voltage conversion circuit and control method thereof |
| CN109586387B (en) * | 2017-09-28 | 2022-08-19 | 株洲中车时代电气股份有限公司 | Chopper circuit and power supply system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01157265A (en) * | 1987-09-02 | 1989-06-20 | Fuji Electric Co Ltd | Dc/dc power converting device |
| JP4953783B2 (en) * | 2006-11-30 | 2012-06-13 | 三洋電機株式会社 | Converter device and grid interconnection system |
| JP2008206317A (en) * | 2007-02-20 | 2008-09-04 | Institute Of National Colleges Of Technology Japan | High-voltage power supply circuit |
| JP2010200519A (en) * | 2009-02-26 | 2010-09-09 | Shindengen Electric Mfg Co Ltd | Boosting chopper circuit |
-
2010
- 2010-11-29 JP JP2010265544A patent/JP5820978B2/en active Active
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