JP2007202395A - 分散型dc電源ネットワーク - Google Patents
分散型dc電源ネットワーク Download PDFInfo
- Publication number
- JP2007202395A JP2007202395A JP2007067406A JP2007067406A JP2007202395A JP 2007202395 A JP2007202395 A JP 2007202395A JP 2007067406 A JP2007067406 A JP 2007067406A JP 2007067406 A JP2007067406 A JP 2007067406A JP 2007202395 A JP2007202395 A JP 2007202395A
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- Prior art keywords
- power supply
- switching power
- load
- converter
- noise
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- 230000000644 propagated effect Effects 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 20
- 239000003990 capacitor Substances 0.000 description 12
- 239000011324 bead Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 210000000601 blood cell Anatomy 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Images
Classifications
-
- 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
Abstract
【解決手段】システムグラウンドに接続された少なくとも一つの負荷に接続された少なくとも一つのスイッチング電源を含む分散型DC電源ネットワークである。スイッチング電源から負荷への高周波スイッチングノイズの伝播を低減するために、DC/DCコンバータがシステムグラウンドに関して浮動する。スイッチング電源とDC/DCコンバータとの間、及び/又は、DC/DCコンバータとそれらの各負荷との間には、低域通過フィルタが挿入されてもよい。本発明の更なる態様は、システムグラウンドとアースグラウンドとの間にACインピーダンス差を設け、負荷に伝導されるノイズのレベルを更に低減することを企図する。
【選択図】図1
Description
12,14,16 システム負荷
18 システム負荷(コンプレッサモータ)
20 スイッチング電源
24 AC入力
30 線路導体
33 中性導体
36 外部AC電力幹線
40 システムグラウンド導体
41 アースグラウンド
42,43,44 フェライトビード(bead)(例えば、インダクタ)
46 DC出力端子
48 DCリターン端子
51 DCバス
56,58,60 DC/DCコンバータ
63 低域通過フィルタ
66,69,71 正入力
76,79,81 負入力
83,84;86,87;89,90 一対の出力接続点
92,94,96 低域通過フィルタ
97,98,99 ノード
101 スイッチング電源
103 AC入力
106 DC出力端子
108 DCリターン端子
110 低域通過フィルタ
120 ローカル又はリモートコントローラ
Claims (1)
- a)(i) AC電気エネルギの源に接続可能な一対のAC入力端子及び(ii) 一対のDC出力端子を有するスイッチング電源と、
b)(i) 前記スイッチング電源のDC出力端子に接続された一対の入力端子及び (ii) DC負荷に接続可能な一対のDC出力端子を有するDC/DCコンバータであって、前記DC/DCコンバータのDC出力端子の一つがシステムグラウンドに接続されるものと、
c)前記スイッチング電源及び前記DC/DCコンバータと結合せしめられた電気伝導シャーシであって、アースグラウンドに接続されているものと、
d)前記アースグラウンドから前記システムグラウンドを分離するリアクタンス性インピーダンス手段であって、前記スイッチング電源によって発生し前記アースグラウンドにそって伝導するノイズの伝播を低減すべく特定のAC周波数を抑止するように調整されているものと、
を具備する分散型DC電源ネットワーク。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55722795A | 1995-11-14 | 1995-11-14 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8300593A Division JPH09172735A (ja) | 1995-11-14 | 1996-11-12 | 分散型dc電源ネットワーク |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007202395A true JP2007202395A (ja) | 2007-08-09 |
JP4065008B2 JP4065008B2 (ja) | 2008-03-19 |
Family
ID=24224540
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8300593A Withdrawn JPH09172735A (ja) | 1995-11-14 | 1996-11-12 | 分散型dc電源ネットワーク |
JP2007067406A Expired - Fee Related JP4065008B2 (ja) | 1995-11-14 | 2007-03-15 | 分散型dc電源ネットワーク |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8300593A Withdrawn JPH09172735A (ja) | 1995-11-14 | 1996-11-12 | 分散型dc電源ネットワーク |
Country Status (2)
Country | Link |
---|---|
US (1) | US5956246A (ja) |
JP (2) | JPH09172735A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010140675A (ja) * | 2008-12-09 | 2010-06-24 | Panasonic Electric Works Co Ltd | 電源装置 |
JP2012228046A (ja) * | 2011-04-19 | 2012-11-15 | Shindengen Electric Mfg Co Ltd | 電源装置 |
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US6208098B1 (en) * | 1998-03-02 | 2001-03-27 | Yaskawa Electric America, Inc. | Variable frequency drive noise attenuation circuit |
JP2001202400A (ja) * | 2000-01-21 | 2001-07-27 | Nec Corp | 電源デカップリング回路生成システム及び電源デカップリング回路生成方法 |
DE10149278A1 (de) * | 2001-10-05 | 2003-04-17 | Philips Corp Intellectual Pty | Verfahren zur Stromversorgung von Stromverbrauchern mit niedriger Versorgungsspannung |
FR2840128B1 (fr) * | 2002-05-21 | 2004-08-06 | Ge Med Sys Global Tech Co Llc | Dispositif de filtrage a faible courant de fuite pour conversion d'energie electrique |
US7026800B2 (en) * | 2002-10-17 | 2006-04-11 | Richtek Technology Corp. | Feed-forward method for improving a transient response for a DC—DC power conversion and DC—DC voltage converter utilizing the same |
US7042745B1 (en) * | 2004-11-29 | 2006-05-09 | Cotek Electronic Ind. Co. Ltd. | Insulating arrangement for DC/AC inverter |
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US9166471B1 (en) | 2009-03-13 | 2015-10-20 | Rf Micro Devices, Inc. | 3D frequency dithering for DC-to-DC converters used in multi-mode cellular transmitters |
US8315576B2 (en) | 2009-05-05 | 2012-11-20 | Rf Micro Devices, Inc. | Capacitive compensation of cascaded directional couplers |
US8548398B2 (en) | 2010-02-01 | 2013-10-01 | Rf Micro Devices, Inc. | Envelope power supply calibration of a multi-mode radio frequency power amplifier |
US8538355B2 (en) | 2010-04-19 | 2013-09-17 | Rf Micro Devices, Inc. | Quadrature power amplifier architecture |
US8913967B2 (en) * | 2010-04-20 | 2014-12-16 | Rf Micro Devices, Inc. | Feedback based buck timing of a direct current (DC)-DC converter |
US8571492B2 (en) | 2010-04-20 | 2013-10-29 | Rf Micro Devices, Inc. | DC-DC converter current sensing |
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US9184701B2 (en) | 2010-04-20 | 2015-11-10 | Rf Micro Devices, Inc. | Snubber for a direct current (DC)-DC converter |
US8699973B2 (en) | 2010-04-20 | 2014-04-15 | Rf Micro Devices, Inc. | PA bias power supply efficiency optimization |
US9900204B2 (en) | 2010-04-20 | 2018-02-20 | Qorvo Us, Inc. | Multiple functional equivalence digital communications interface |
US9077405B2 (en) | 2010-04-20 | 2015-07-07 | Rf Micro Devices, Inc. | High efficiency path based power amplifier circuitry |
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US9577590B2 (en) | 2010-04-20 | 2017-02-21 | Qorvo Us, Inc. | Dual inductive element charge pump buck and buck power supplies |
US9214865B2 (en) | 2010-04-20 | 2015-12-15 | Rf Micro Devices, Inc. | Voltage compatible charge pump buck and buck power supplies |
US9553550B2 (en) | 2010-04-20 | 2017-01-24 | Qorvo Us, Inc. | Multiband RF switch ground isolation |
US8983410B2 (en) | 2010-04-20 | 2015-03-17 | Rf Micro Devices, Inc. | Configurable 2-wire/3-wire serial communications interface |
US9008597B2 (en) | 2010-04-20 | 2015-04-14 | Rf Micro Devices, Inc. | Direct current (DC)-DC converter having a multi-stage output filter |
US8842399B2 (en) | 2010-04-20 | 2014-09-23 | Rf Micro Devices, Inc. | ESD protection of an RF PA semiconductor die using a PA controller semiconductor die |
US8989685B2 (en) | 2010-04-20 | 2015-03-24 | Rf Micro Devices, Inc. | Look-up table based configuration of multi-mode multi-band radio frequency power amplifier circuitry |
US9048787B2 (en) | 2010-04-20 | 2015-06-02 | Rf Micro Devices, Inc. | Combined RF detector and RF attenuator with concurrent outputs |
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US8559898B2 (en) | 2010-04-20 | 2013-10-15 | Rf Micro Devices, Inc. | Embedded RF PA temperature compensating bias transistor |
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US8942650B2 (en) | 2010-04-20 | 2015-01-27 | Rf Micro Devices, Inc. | RF PA linearity requirements based converter operating mode selection |
US8712349B2 (en) | 2010-04-20 | 2014-04-29 | Rf Micro Devices, Inc. | Selecting a converter operating mode of a PA envelope power supply |
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US8958763B2 (en) | 2010-04-20 | 2015-02-17 | Rf Micro Devices, Inc. | PA bias power supply undershoot compensation |
US8831544B2 (en) | 2010-04-20 | 2014-09-09 | Rf Micro Devices, Inc. | Dynamic device switching (DDS) of an in-phase RF PA stage and a quadrature-phase RF PA stage |
US8983407B2 (en) | 2010-04-20 | 2015-03-17 | Rf Micro Devices, Inc. | Selectable PA bias temperature compensation circuitry |
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US8981727B2 (en) | 2012-05-21 | 2015-03-17 | General Electric Company | Method and apparatus for charging multiple energy storage devices |
CN104756380B (zh) * | 2012-10-25 | 2017-12-01 | 三菱电机株式会社 | 共模噪声降低装置 |
KR101819256B1 (ko) | 2013-12-18 | 2018-01-16 | 엘에스산전 주식회사 | 전기 자동차의 저전압단 emi 필터 |
CN108063543A (zh) * | 2017-12-19 | 2018-05-22 | 珠海许继电气有限公司 | 一种基于10kV配电终端的电源滤波保护系统 |
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US3818128A (en) * | 1970-05-06 | 1974-06-18 | Raytheon Co | Display power system |
US4030024A (en) * | 1976-07-02 | 1977-06-14 | Raytheon Company | Switching power supply with floating internal supply circuit |
US5414340A (en) * | 1994-02-22 | 1995-05-09 | Gannon; Henry M. | Feedback circuit for high efficiency linear DC power supply |
-
1996
- 1996-11-12 JP JP8300593A patent/JPH09172735A/ja not_active Withdrawn
-
1997
- 1997-01-21 US US08/784,656 patent/US5956246A/en not_active Expired - Lifetime
-
2007
- 2007-03-15 JP JP2007067406A patent/JP4065008B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010140675A (ja) * | 2008-12-09 | 2010-06-24 | Panasonic Electric Works Co Ltd | 電源装置 |
JP2012228046A (ja) * | 2011-04-19 | 2012-11-15 | Shindengen Electric Mfg Co Ltd | 電源装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH09172735A (ja) | 1997-06-30 |
JP4065008B2 (ja) | 2008-03-19 |
US5956246A (en) | 1999-09-21 |
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