JP6500899B2 - 絶縁型直流電力給電装置 - Google Patents
絶縁型直流電力給電装置 Download PDFInfo
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- JP6500899B2 JP6500899B2 JP2016534389A JP2016534389A JP6500899B2 JP 6500899 B2 JP6500899 B2 JP 6500899B2 JP 2016534389 A JP2016534389 A JP 2016534389A JP 2016534389 A JP2016534389 A JP 2016534389A JP 6500899 B2 JP6500899 B2 JP 6500899B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/28—Impedance matching networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Emergency Protection Circuit Devices (AREA)
- Direct Current Feeding And Distribution (AREA)
Description
1.本開示の一実施形態
1.1.概要
1.2.構成例
2.まとめ
[1.1.概要]
本開示の一実施形態について説明する前に、本開示の一実施形態の概要について説明する。
図1は、本開示の一実施形態に係る直流電力送受電システム1の構成例を示す説明図である。以下、図1を用いて本開示の一実施形態に係る直流電力送受電システム1の構成例について説明する。
以上説明したように本開示の一実施形態によれば、直流給電網において安全保護のための地絡検出と、他の装置との間の通信とを効率よく利用可能な、絶縁型の直流電力給電装置100aが提供される。
(1)
正の電圧が印加される正極線、負の電圧が印加される負極線、及び前記正極線と前記負極線の中間の電圧を中性点とし、信号が印加される中性線で電力を供給し、
直流電力を増幅する増幅部と、
前記正極線または前記負極線に流れる大地電流の発生を検出するとともに、前記中性点の電圧と前記中性線の信号の電圧とを比較し、前記中性線と接地点との間をコイルで接続する受信部と、
前記増幅部と前記受信部との間に設けられ、前記中性線に印加される前記信号の電圧範囲においてインピーダンスが高くなるように、該電圧範囲と該電圧範囲以外の電圧範囲とでインピーダンスを変化させるインピーダンス調整回路と、
を備える、絶縁型直流電力給電装置。
(2)
前記信号は、直流成分を含まない信号である、前記(1)に記載の絶縁型直流電力給電装置。
(3)
前記信号は、マンチェスタコードを用いた信号である、前記(2)に記載の絶縁型直流電力給電装置。
(4)
前記インピーダンス調整回路はダイオードで構成される、前記(1)〜(3)のいずれかに記載の絶縁型直流電力給電装置。
(5)
前記増幅部は、信号の送信時には前記ダイオードの閾値電圧より出力を高くし、前記受信部での信号の受信時には出力を前記正極線及び前記負極線で供給する電圧の半分にする、前記(4)に記載の絶縁型直流電力給電装置。
(6)
前記増幅部は、前記受信部での前記信号の受信時には出力を前記正極線及び前記負極線で供給する電圧の半分にする、前記(4)または(5)に記載の絶縁型直流電力給電装置。
(7)
前記インピーダンス調整回路は電界効果トランジスタで構成される、前記(1)〜(3)のいずれかに記載の絶縁型直流電力給電装置。
(8)
前記正極線及び前記負極線により直流電力を供給するバッテリをさらに備え、
前記中性線に印加される信号は、前記バッテリによる直流電力の送受電に関する情報を含む、前記(1)〜(7)のいずれかに記載の絶縁型直流電力給電装置。
10 :直流バスライン
20 :電力給電コネクタ
30 :直流プラグ
100a :直流電力給電装置
110 :バッテリ
111 :バッテリユニット
120 :増幅部
121 :パワーアンプ回路
130 :受信部
131 :パワーアンプ回路
132 :電流検出器
140 :インピーダンス調整回路
200a :直流電力受電装置
Claims (8)
- 正の電圧が印加される正極線、負の電圧が印加される負極線、及び前記正極線と前記負極線の中間の電圧を中性点とし、信号が印加される中性線で直流電力を供給し、
直流電力を増幅する増幅部と、
前記正極線または前記負極線に流れる大地電流の発生を検出するとともに、前記中性点の電圧と前記中性線の信号の電圧とを比較し、前記中性線と接地点との間をコイルで接続する受信部と、
前記増幅部と前記受信部との間に設けられ、前記中性線に印加される前記信号の電圧範囲においてインピーダンスが高くなるように、該電圧範囲と該電圧範囲以外の電圧範囲とでインピーダンスを変化させるインピーダンス調整回路と、
を備える、絶縁型直流電力給電装置。 - 前記信号は、直流成分を含まない信号である、請求項1に記載の絶縁型直流電力給電装置。
- 前記信号は、マンチェスタコードを用いた信号である、請求項2に記載の絶縁型直流電力給電装置。
- 前記インピーダンス調整回路はダイオードで構成される、請求項1〜3のいずれかに記載の絶縁型直流電力給電装置。
- 前記増幅部は、前記信号の送信時には前記ダイオードの閾値電圧より出力を高くする、請求項4に記載の絶縁型直流電力給電装置。
- 前記増幅部は、前記受信部での前記信号の受信時には出力を前記正極線及び前記負極線で供給する電圧の半分にする、請求項4または5に記載の絶縁型直流電力給電装置。
- 前記インピーダンス調整回路は電界効果トランジスタで構成される、請求項1〜3のいずれかに記載の絶縁型直流電力給電装置。
- 前記正極線及び前記負極線により直流電力を供給するバッテリをさらに備え、
前記中性線に印加される信号は、前記バッテリによる直流電力の送受電に関する情報を含む、請求項1〜7のいずれかに記載の絶縁型直流電力給電装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014147493 | 2014-07-18 | ||
JP2014147493 | 2014-07-18 | ||
PCT/JP2015/069657 WO2016009917A1 (ja) | 2014-07-18 | 2015-07-08 | 絶縁型直流電力給電装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016009917A1 JPWO2016009917A1 (ja) | 2017-04-27 |
JP6500899B2 true JP6500899B2 (ja) | 2019-04-17 |
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Application Number | Title | Priority Date | Filing Date |
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JP2016534389A Expired - Fee Related JP6500899B2 (ja) | 2014-07-18 | 2015-07-08 | 絶縁型直流電力給電装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10243347B2 (ja) |
EP (1) | EP3171474B1 (ja) |
JP (1) | JP6500899B2 (ja) |
WO (1) | WO2016009917A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10290885B2 (en) * | 2014-07-11 | 2019-05-14 | Nissan Motor Co., Ltd. | Apparatus for measuring an impedance of fuel cell and method of measuring an impedance of fuel cell |
JP6500899B2 (ja) * | 2014-07-18 | 2019-04-17 | ソニー株式会社 | 絶縁型直流電力給電装置 |
CN215870729U (zh) * | 2021-03-30 | 2022-02-18 | 华为数字能源技术有限公司 | 一种直流供电系统、光伏系统、储能系统及光储系统 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3857069A (en) * | 1973-12-20 | 1974-12-24 | Gen Electric | Ground fault circuit interrupter and module therefor |
US20020063565A1 (en) * | 2000-04-04 | 2002-05-30 | Stroth John E. | Arc fault current interrupter testing device |
JP2007202307A (ja) * | 2006-01-26 | 2007-08-09 | Nikon Corp | リーク電流検出回路及び水冷式モータ |
JP2011015502A (ja) | 2009-06-30 | 2011-01-20 | Panasonic Electric Works Co Ltd | 配電システム |
JP2011205871A (ja) | 2010-03-26 | 2011-10-13 | Panasonic Electric Works Co Ltd | 電力供給システム |
US8334670B2 (en) * | 2010-03-25 | 2012-12-18 | GM Global Technology Operations LLC | Method and apparatus to monitor an electric motor control circuit |
JP5600546B2 (ja) | 2010-10-05 | 2014-10-01 | オリジン電気株式会社 | 直流給電装置 |
US20140084828A1 (en) * | 2011-05-13 | 2014-03-27 | Toyota Jidosha Kabushiki Kaisha | Power supply system for vehicle |
EP2715904B1 (en) * | 2011-05-24 | 2016-06-29 | Cameron, D. Kevin | System and method for integrating and managing demand/response between alternative energy sources, grid power, and loads |
JP5820969B2 (ja) | 2011-06-23 | 2015-11-24 | パナソニックIpマネジメント株式会社 | 配電システム |
JP2013090560A (ja) | 2011-10-19 | 2013-05-13 | Ishikawa Kogaku Zokei Kenkyusho:Kk | 直流給電システム |
GB2504494A (en) * | 2012-07-30 | 2014-02-05 | Eaton Aerospace Ltd | Phase loss or input voltage drop detection using common-mode voltage in rectified signal |
JP6500899B2 (ja) * | 2014-07-18 | 2019-04-17 | ソニー株式会社 | 絶縁型直流電力給電装置 |
-
2015
- 2015-07-08 JP JP2016534389A patent/JP6500899B2/ja not_active Expired - Fee Related
- 2015-07-08 US US15/323,131 patent/US10243347B2/en not_active Expired - Fee Related
- 2015-07-08 EP EP15822385.9A patent/EP3171474B1/en not_active Not-in-force
- 2015-07-08 WO PCT/JP2015/069657 patent/WO2016009917A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JPWO2016009917A1 (ja) | 2017-04-27 |
EP3171474A4 (en) | 2017-12-20 |
US10243347B2 (en) | 2019-03-26 |
EP3171474B1 (en) | 2018-12-19 |
EP3171474A1 (en) | 2017-05-24 |
US20170141561A1 (en) | 2017-05-18 |
WO2016009917A1 (ja) | 2016-01-21 |
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