JP4362122B2 - 回路の放電ランプ電流の等化 - Google Patents
回路の放電ランプ電流の等化 Download PDFInfo
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- JP4362122B2 JP4362122B2 JP2006030675A JP2006030675A JP4362122B2 JP 4362122 B2 JP4362122 B2 JP 4362122B2 JP 2006030675 A JP2006030675 A JP 2006030675A JP 2006030675 A JP2006030675 A JP 2006030675A JP 4362122 B2 JP4362122 B2 JP 4362122B2
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- cmc
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- 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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- 238000004804 winding Methods 0.000 claims description 82
- 238000000034 method Methods 0.000 claims description 31
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 17
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 17
- 229920006184 cellulose methylcellulose Polymers 0.000 claims description 17
- 239000011153 ceramic matrix composite Substances 0.000 claims description 17
- 238000012710 chemistry, manufacturing and control Methods 0.000 claims description 17
- 230000007547 defect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000011068 loading method Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000009413 insulation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
- H05B41/2827—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
-
- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Description
vp1=−vs1
vp2=−vs2 (1)
vp3=−vs3
端子A、B及びCにおける電圧方程式は、次の通りである。
それ故、
vA+vB+vC=0 (3)
そして
vp1+vp2+vp3=0 (4)
i1=iN、i2=i3、i4=i5、・・・iN-2=iN-1、 (5)
及び
i1=i2、i3=i4、i5=i6、・・・iN-1=iN、 (6)
従って、次のようになる。
i1=i2=i3=i4=i5、・・・iN-1=iN (7)
特に明確に要求されない限り、上記説明及び特許請求の範囲全体にわたり、「備え」、「備えている」、等の語は、排他的又は徹底的という意味とは逆に、包括的な意味と解釈されるべきであり、即ち、「含むが、それに限定されない」という意味に解釈されるべきである。ここに使用する「接続」、「結合」又はその変形は、2つ以上のエレメント間の直接的又は間接的な接続又は結合を意味し、即ちエレメント間の結合又は接続は、物理的でも、論理的でも、又はその組合せでもよい。
a、b、p、q:端子
T:変成器
C1、C2:キャパシタ
Lpri:一次巻線
L1、L2:二次巻線
Tb1、Tb2、Tb3、及びTb4:CMC巻線
Lc1、Lc2:インダクタ
Claims (8)
- N個の並列負荷の電流をバランスさせるための装置において、
N/2個又は(N/2)−1個のコモンモードチョーク(CMC)と、
前記N個の負荷がN/2個の負荷の第1及び第2グループに分割され、前記第1グループのN/2個の負荷の第1端が電源の第1極又は変成器の二次側に接続され、前記第2グループのN/2個の負荷の第1端が前記電源の第2極又は前記変成器の二次側に接続され、前記第1グループの少なくとも(N/2)−1個の負荷の第2端が少なくとも(N/2)−1個のコモンモードチョーク(CMC)の第1巻線の第1端に接続され、前記第2グループの少なくとも(N/2)−1個の負荷の第2端が少なくとも(N/2)−1個のCMCの第2巻線の第1端に接続され、各CMCの第1巻線の第2端が別のCMCの第2巻線の第2端に接続され、各グループからの(N/2)−1個の負荷だけがCMC巻線の第1端に接続される場合には、1つのグループの残りの1つの負荷の第2端がCMCの使用可能な第1巻線の第2端に接続されると共に、他のグループの残りの1つの負荷の第2端が別のCMCの使用可能な第2巻線の第2端に接続され、そして各グループのN/2個の負荷がN/2個のCMCのCMC巻線の第1端に接続される場合には、各CMCの第1巻線の各第2端が別のCMCの第2巻線の第2端に接続され、そして更に、CMCの前記第1及び第2巻線は、各グループの負荷の瞬時電流が同様の方向にあり、且つ1つのグループの瞬時電流の方向が他のグループの瞬時電流の方向と逆であるように巻かれるようにされた構成体と、
を備えた装置。 - 前記CMCは、個別であるか、一体化されるか、或いは多数のCMCが個別であり且つ多数のCMCが一体化される、請求項1に記載の装置。
- 少なくとも1つのCMC、一体化コアの少なくとも1つの脚、又はその両方が、欠陥検出のために付加的な低巻回の制御巻線を有する、請求項2に記載の装置。
- N=6であり且つ使用されるCMCの数は(N/2)−1=2であり、そして2つのCMCの各々が、3脚EE型の磁気コアの1つの脚を使用して実施される、請求項1に記載の装置。
- 付加的な低巻回の制御巻線が欠陥検出のために3脚EE型の磁気コアの中央脚に配置される、請求項4に記載の装置。
- N=4であり且つ使用されるCMCの数は(N/2)−1=1であり、そして変成器の一次及び二次巻線が3脚EE型の磁気コアの中央脚に巻かれ、そしてCMCの巻線が3脚EE型のコアの他の2つの脚に巻かれる、請求項1に記載の装置。
- N個の並列負荷の電流をバランスするための方法において、
N個の負荷を、負荷の第1及び第2グループに分割するステップと、
前記第1グループからの負荷の電流と、前記第2グループからの負荷の電流とを共有のコモンモードチョーク(CMC)によりバランスさせるステップと、
各CMCの2つの巻線の各々を異なるCMCの巻線に接続することによりCMCの巻線の電流を別のCMCの巻線の電流と等化させるステップと、
前記CMCに接続された各グループの負荷の瞬時電流が同様の方向にあり、且つ一方のグループのCMCに接続された負荷の瞬時電流の方向が他方のグループのCMCに接続された負荷の瞬時電流の方向と逆になるように、前記CMCの第1及び第2巻線を構成するステップと、
を備えた方法。 - 前記N個の負荷を、N/2個の負荷の2つのグループに分割し、そして
少なくとも(N/2)−1個のCMCを、第1グループの少なくとも(N/2)−1個の負荷、及び第2グループの少なくとも(N/2)−1個の負荷の間に共有させる、請求項7に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/176,804 US7439685B2 (en) | 2005-07-06 | 2005-07-06 | Current balancing technique with magnetic integration for fluorescent lamps |
US11/191,129 US7667410B2 (en) | 2005-07-06 | 2005-07-27 | Equalizing discharge lamp currents in circuits |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008312570A Division JP2009064789A (ja) | 2005-07-06 | 2008-12-08 | 回路の放電ランプ電流の等化 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007018997A JP2007018997A (ja) | 2007-01-25 |
JP4362122B2 true JP4362122B2 (ja) | 2009-11-11 |
Family
ID=37617695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006030675A Expired - Fee Related JP4362122B2 (ja) | 2005-07-06 | 2006-02-08 | 回路の放電ランプ電流の等化 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7525258B2 (ja) |
JP (1) | JP4362122B2 (ja) |
KR (1) | KR100653292B1 (ja) |
TW (1) | TWI284332B (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7309964B2 (en) * | 2004-10-01 | 2007-12-18 | Au Optronics Corporation | Floating drive circuit for cold cathode fluorescent lamp |
US7291987B2 (en) * | 2005-06-17 | 2007-11-06 | Hon Hai Precision Industry Co., Ltd. | Power supply system for flat panel display devices |
US20070069662A1 (en) * | 2005-09-29 | 2007-03-29 | Chun-Kong Chan | Current-balancing circuit for lamps |
TWI282465B (en) * | 2005-10-21 | 2007-06-11 | Innolux Display Corp | Balance controlling circuit for cold cathode fluorescent lamps |
TW200723959A (en) * | 2005-12-02 | 2007-06-16 | Hon Hai Prec Ind Co Ltd | Multi-lamp driving system |
JP4923301B2 (ja) * | 2007-03-05 | 2012-04-25 | 国立大学法人福井大学 | 超電導コイル装置、誘導子型同期機、及び変圧装置 |
WO2008133024A1 (ja) | 2007-04-19 | 2008-11-06 | Sumida Corporation | 放電管駆動装置 |
WO2009070153A1 (en) * | 2007-11-26 | 2009-06-04 | Semiconductor Components Industries, L.L.C. | Method and structure of forming a fluorescent lighting system |
KR100952498B1 (ko) | 2007-12-03 | 2010-04-13 | 한솔엘씨디 주식회사 | 투 인 원 트랜스포머를 이용한 인버터 |
KR100878420B1 (ko) | 2007-12-24 | 2009-01-13 | 삼성전기주식회사 | 멀티 램프 구동 장치 |
TWI367507B (en) * | 2007-12-25 | 2012-07-01 | Darfon Electronics Corp | Balance transformer and backlight apparatus |
JP5144284B2 (ja) * | 2008-01-16 | 2013-02-13 | 本田技研工業株式会社 | 電力変換回路 |
JP5271407B2 (ja) * | 2008-04-01 | 2013-08-21 | エン,シアン コー | 多重コイル蛍光灯バラスト |
TWM353371U (en) * | 2008-11-07 | 2009-03-21 | Darfon Electronics Corp | Backlight apparatus and transformer thereof |
TWI373779B (en) * | 2009-04-27 | 2012-10-01 | Delta Electronics Inc | Current-balancing transformer and power supply circuit using the same |
CN102006705A (zh) * | 2009-08-31 | 2011-04-06 | 群康科技(深圳)有限公司 | 灯管驱动电路 |
CN201766747U (zh) * | 2009-11-21 | 2011-03-16 | 英飞特电子(杭州)有限公司 | 多路恒流驱动电路 |
US8198829B2 (en) * | 2009-12-09 | 2012-06-12 | Leviton Manufacturing Co., Inc. | Intensity balance for multiple lamps |
US9480126B1 (en) * | 2013-07-19 | 2016-10-25 | Universal Lighting Technologies, Inc. | Method to detect uneven AC load or parallel load removal |
PE20171124A1 (es) * | 2013-11-19 | 2017-08-08 | Hecker Electronica Potencia Y Procesos S A | Proceso de superposicion de corriente alterna sobre la corriente continua para procesos de electroobtencion o electrorefinacion de cobre u otros productos, en que la fuente de corriente alterna se conecta entre dos celdas consecutivas del grupo de celdas electroliticas utilizando un inductor para inyectar corriente alterna y un condensador para cerrar el circuito electrico |
JP6411068B2 (ja) * | 2014-05-21 | 2018-10-24 | 株式会社関電工 | 電線インピーダンス整合装置及びシステム |
KR102197349B1 (ko) * | 2018-12-13 | 2020-12-31 | 한국항공우주연구원 | 균일 전압분배를 위해 커플드 인덕터를 사용한 직렬 고전압 전원장치 |
EP3672047A1 (en) * | 2018-12-19 | 2020-06-24 | Danmarks Tekniske Universitet | Coupled inductor component with integrated current balancing transformer |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4574222A (en) * | 1983-12-27 | 1986-03-04 | General Electric Company | Ballast circuit for multiple parallel negative impedance loads |
US4567379A (en) * | 1984-05-23 | 1986-01-28 | Burroughs Corporation | Parallel current sharing system |
US4902942A (en) * | 1988-06-02 | 1990-02-20 | General Electric Company | Controlled leakage transformer for fluorescent lamp ballast including integral ballasting inductor |
US5568371A (en) | 1994-09-29 | 1996-10-22 | Texas A&M University System | Active harmonic power filter apparatus and method |
US6135620A (en) | 1996-04-10 | 2000-10-24 | Re-Energy, Inc. | CCFL illuminated device |
US6793381B2 (en) | 1996-04-10 | 2004-09-21 | Bji Energy Solutions, Llc | CCFL illuminated device and method of use |
JPH10335383A (ja) * | 1997-05-28 | 1998-12-18 | Matsushita Electric Ind Co Ltd | 半導体装置の製造方法 |
US6181066B1 (en) | 1997-12-02 | 2001-01-30 | Power Circuit Innovations, Inc. | Frequency modulated ballast with loosely coupled transformer for parallel gas discharge lamp control |
US6108215A (en) | 1999-01-22 | 2000-08-22 | Dell Computer Corporation | Voltage regulator with double synchronous bridge CCFL inverter |
US6459216B1 (en) | 2001-03-07 | 2002-10-01 | Monolithic Power Systems, Inc. | Multiple CCFL current balancing scheme for single controller topologies |
TWI256860B (en) | 2001-06-29 | 2006-06-11 | Hon Hai Prec Ind Co Ltd | Multi-tube driving system |
US7034647B2 (en) * | 2001-10-12 | 2006-04-25 | Northeastern University | Integrated magnetics for a DC-DC converter with flexible output inductor |
US7061188B1 (en) * | 2002-03-29 | 2006-06-13 | Technical Consumer Products, Inc. | Instant start electronic ballast with universal AC input voltage |
TW595263B (en) * | 2002-04-12 | 2004-06-21 | O2Micro Inc | A circuit structure for driving cold cathode fluorescent lamp |
JP2004335443A (ja) | 2003-02-10 | 2004-11-25 | Masakazu Ushijima | 多灯点灯の放電管用インバータ回路及び面光源システム |
JP4658061B2 (ja) | 2003-10-06 | 2011-03-23 | マイクロセミ・コーポレーション | 複数のccfランプを動作させるための電流分配方法および装置 |
US7279851B2 (en) | 2003-10-21 | 2007-10-09 | Microsemi Corporation | Systems and methods for fault protection in a balancing transformer |
US7173382B2 (en) * | 2005-03-31 | 2007-02-06 | Microsemi Corporation | Nested balancing topology for balancing current among multiple lamps |
KR101147179B1 (ko) * | 2005-11-17 | 2012-05-25 | 삼성전자주식회사 | 인버터 회로, 백 라이트 및 액정표시장치 |
US20070170872A1 (en) * | 2006-01-20 | 2007-07-26 | Cheng-Chia Hsu | Control device for multiple lamp currents of liquid crystal display backlight source |
-
2005
- 2005-10-04 TW TW094134741A patent/TWI284332B/zh not_active IP Right Cessation
- 2005-10-21 KR KR1020050099593A patent/KR100653292B1/ko not_active IP Right Cessation
-
2006
- 2006-02-08 JP JP2006030675A patent/JP4362122B2/ja not_active Expired - Fee Related
- 2006-06-14 US US11/454,093 patent/US7525258B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20070007910A1 (en) | 2007-01-11 |
TW200703383A (en) | 2007-01-16 |
US7525258B2 (en) | 2009-04-28 |
JP2007018997A (ja) | 2007-01-25 |
TWI284332B (en) | 2007-07-21 |
KR100653292B1 (ko) | 2006-12-05 |
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