JP4403926B2 - 直流電源装置 - Google Patents
直流電源装置 Download PDFInfo
- Publication number
- JP4403926B2 JP4403926B2 JP2004249949A JP2004249949A JP4403926B2 JP 4403926 B2 JP4403926 B2 JP 4403926B2 JP 2004249949 A JP2004249949 A JP 2004249949A JP 2004249949 A JP2004249949 A JP 2004249949A JP 4403926 B2 JP4403926 B2 JP 4403926B2
- Authority
- JP
- Japan
- Prior art keywords
- winding
- primary winding
- primary
- transformer
- power supply
- 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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-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/38—Auxiliary core members; Auxiliary coils or windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/082—Devices for guiding or positioning the winding material on the former
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/02—Adaptations of transformers or inductances for specific applications or functions for non-linear operation
- H01F38/023—Adaptations of transformers or inductances for specific applications or functions for non-linear operation of inductances
- H01F2038/026—Adaptations of transformers or inductances for specific applications or functions for non-linear operation of inductances non-linear inductive arrangements for converters, e.g. with additional windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/123—Suppression of common mode voltage or current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Dc-Dc Converters (AREA)
Description
電流は、単位時間当たりの電荷の移動量であるから電流Iは式(2)で表される。
式(1)を時間で微分し、式(1)、式(2)から式(3)が得られる。
式(3)から、電流は、静電容量と単位時間当たりの電圧変化量に対して比例の関係にあることがわかる。即ち、第1の1次巻線P1及び第2の1次巻線P2aから2次巻線Sに流れる電流は、寄生容量と電圧変化量に対して比例する。
3 出力電圧検出回路
5 制御回路
11 コア
13 ボビン
15 端子
Q1 スイッチング素子
P1 第1の1次巻線
P2 第2の1次巻線
P1−1,P1−2,P2−1,P2−2 巻線
S 2次巻線
D 3次巻線
E 直流電源
D1,D2 ダイオード
C1 平滑コンデンサ
C2〜C5 コンデンサ
C112,C12S,C212,C22S,C21S 寄生容量
Claims (2)
- 直流電源の直流入力電圧をトランスの1次巻線に接続されるスイッチング素子のオン・オフ動作により高周波電力に変換し、前記トランスの2次巻線に伝達された前記高周波電力を整流平滑回路により直流の出力電圧に変換し、前記出力電圧に応じて制御回路により前記スイッチング素子のオン・オフ期間を制御して負荷に所定の出力電圧を供給する直流電源装置において、
前記トランスは、前記1次巻線が複数層に巻回された第1の1次巻線と複数層に巻回された第2の1次巻線とを並列に接続してなり、前記第1の1次巻線を前記2次巻線の内側に配置し、前記第2の1次巻線を前記2次巻線の外側に配置し、前記第1の1次巻線及び前記第2の1次巻線の前記複数層の内の前記2次巻線から最も離れた位置に配置される層の端子が前記スイッチング素子に接続され、前記第1の1次巻線及び前記第2の1次巻線の前記複数層の内の前記2次巻線に最も近い位置に配置される層の端子が前記直流電源の安定電位に接続されることを特徴とする直流電源装置。 - 前記第2の1次巻線の巻線方向を前記第1の1次巻線の巻線方向と逆向きにしたことを特徴とする請求項1記載の直流電源装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004249949A JP4403926B2 (ja) | 2004-08-30 | 2004-08-30 | 直流電源装置 |
US11/208,069 US7145784B2 (en) | 2004-08-30 | 2005-08-19 | DC power source apparatus |
CN2005100937532A CN100407564C (zh) | 2004-08-30 | 2005-08-29 | Dc电源装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004249949A JP4403926B2 (ja) | 2004-08-30 | 2004-08-30 | 直流電源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006067751A JP2006067751A (ja) | 2006-03-09 |
JP4403926B2 true JP4403926B2 (ja) | 2010-01-27 |
Family
ID=35942793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004249949A Active JP4403926B2 (ja) | 2004-08-30 | 2004-08-30 | 直流電源装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7145784B2 (ja) |
JP (1) | JP4403926B2 (ja) |
CN (1) | CN100407564C (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4631529B2 (ja) * | 2005-04-28 | 2011-02-16 | パナソニック電工株式会社 | トランス |
JP4708145B2 (ja) * | 2005-10-05 | 2011-06-22 | パナソニック株式会社 | 電力線通信装置 |
US7545656B2 (en) * | 2006-07-18 | 2009-06-09 | Comarco Wireless Technologies, Inc. | Common mode noise reduction circuit utilizing dual primary windings |
JP5030157B2 (ja) * | 2007-11-15 | 2012-09-19 | コーセル株式会社 | スイッチング電源装置 |
CN101471167A (zh) * | 2007-12-29 | 2009-07-01 | 皇家飞利浦电子股份有限公司 | 功率传递装置及其初级线圈的缠绕方法 |
JP2009247121A (ja) | 2008-03-31 | 2009-10-22 | Fuji Electric Device Technology Co Ltd | 電力変換装置 |
JP2010004633A (ja) * | 2008-06-19 | 2010-01-07 | Sanken Electric Co Ltd | 直流電源装置 |
JP5338171B2 (ja) * | 2008-07-22 | 2013-11-13 | 富士電機株式会社 | スイッチング電源 |
US9151782B2 (en) * | 2009-07-31 | 2015-10-06 | Pulse Electronics, Inc. | Current sensing devices and methods |
US9664711B2 (en) * | 2009-07-31 | 2017-05-30 | Pulse Electronics, Inc. | Current sensing devices and methods |
US9823274B2 (en) * | 2009-07-31 | 2017-11-21 | Pulse Electronics, Inc. | Current sensing inductive devices |
EP2688181B1 (en) * | 2011-03-18 | 2018-12-26 | Yazaki Corporation | Power supply system |
JP5830915B2 (ja) * | 2011-04-26 | 2015-12-09 | 株式会社デンソー | 電力変換回路 |
JP5950655B2 (ja) * | 2012-04-02 | 2016-07-13 | 三菱電機株式会社 | フライバックトランス |
JP6009801B2 (ja) * | 2012-04-25 | 2016-10-19 | ニチコン株式会社 | スイッチング電源用トランスおよびこれを備えたスイッチング電源 |
US9304149B2 (en) | 2012-05-31 | 2016-04-05 | Pulse Electronics, Inc. | Current sensing devices and methods |
US20140125446A1 (en) | 2012-11-07 | 2014-05-08 | Pulse Electronics, Inc. | Substrate inductive device methods and apparatus |
DE102013213981A1 (de) * | 2013-07-17 | 2015-01-22 | Rohde & Schwarz Gmbh & Co. Kg | Spule für Schalteinrichtung mit hoher Hochfrequenzleistung |
CN105099205B (zh) * | 2015-08-12 | 2017-12-26 | 矽力杰半导体技术(杭州)有限公司 | 开关电源、反激式变换器及变压器 |
WO2021212322A1 (en) * | 2020-04-21 | 2021-10-28 | Telefonaktiebolaget Lm Ericsson (Publ) | A dc-to-dc convertor |
WO2022023910A1 (en) | 2020-07-31 | 2022-02-03 | Silanna Asia Pte Ltd | Transformer with interleaved shielding windings |
KR20220085562A (ko) * | 2020-12-15 | 2022-06-22 | 삼성전자주식회사 | 저손실을 위한 트랜스포머 및 이를 포함하는 장치 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5990776A (en) * | 1994-12-08 | 1999-11-23 | Jitaru; Ionel | Low noise full integrated multilayers magnetic for power converters |
JPH0917657A (ja) | 1995-06-29 | 1997-01-17 | Canon Inc | 変圧器およびスイッチング電源装置 |
AU722043B2 (en) * | 1997-01-24 | 2000-07-20 | Synqor, Inc. | High efficiency power converter |
CN1118128C (zh) * | 2000-01-24 | 2003-08-13 | 浙江大学 | 一种零电压软开关直流/直流变换电路 |
JP3374917B2 (ja) * | 2001-02-16 | 2003-02-10 | サンケン電気株式会社 | スイッチング電源装置 |
JP3463675B2 (ja) * | 2001-06-29 | 2003-11-05 | ソニー株式会社 | スイッチング電源装置 |
JP4192488B2 (ja) * | 2002-04-12 | 2008-12-10 | ソニー株式会社 | スイッチング電源回路 |
-
2004
- 2004-08-30 JP JP2004249949A patent/JP4403926B2/ja active Active
-
2005
- 2005-08-19 US US11/208,069 patent/US7145784B2/en active Active
- 2005-08-29 CN CN2005100937532A patent/CN100407564C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1747301A (zh) | 2006-03-15 |
US7145784B2 (en) | 2006-12-05 |
CN100407564C (zh) | 2008-07-30 |
JP2006067751A (ja) | 2006-03-09 |
US20060044844A1 (en) | 2006-03-02 |
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