JPWO2019202703A1 - 直流遮断器 - Google Patents
直流遮断器 Download PDFInfo
- Publication number
- JPWO2019202703A1 JPWO2019202703A1 JP2018550603A JP2018550603A JPWO2019202703A1 JP WO2019202703 A1 JPWO2019202703 A1 JP WO2019202703A1 JP 2018550603 A JP2018550603 A JP 2018550603A JP 2018550603 A JP2018550603 A JP 2018550603A JP WO2019202703 A1 JPWO2019202703 A1 JP WO2019202703A1
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- Prior art keywords
- fuse
- circuit breaker
- current
- self
- accident
- Prior art date
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- 229910044991 metal oxide Inorganic materials 0.000 claims description 17
- 150000004706 metal oxides Chemical class 0.000 claims description 17
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002542 deteriorative effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
- H01H33/596—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle for interrupting dc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0241—Structural association of a fuse and another component or apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
- H01H85/12—Two or more separate fusible members in parallel
-
- 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
- H02H3/08—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 excess current
- H02H3/087—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 excess current for dc applications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/541—Contacts shunted by semiconductor devices
- H01H9/542—Contacts shunted by static switch means
- H01H2009/543—Contacts shunted by static switch means third parallel branch comprising an energy absorber, e.g. MOV, PTC, Zener
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0241—Structural association of a fuse and another component or apparatus
- H01H2085/0258—Structural association of a fuse or a fuse holder with a bimetallic element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0241—Structural association of a fuse and another component or apparatus
- H01H2085/0283—Structural association with a semiconductor device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/12—Adaptation for built-in fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/46—Circuit arrangements not adapted to a particular application of the protective device
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Keying Circuit Devices (AREA)
- Fuses (AREA)
Abstract
Description
図1は、本発明の実施の形態1に係る直流遮断器の構成を示す図である。実施の形態1に係る直流遮断器30,40は、交流側系統50と直流側系統60とを結ぶコンバータ70に接続されている。なお、ここでは説明が複雑になることを避けるために、コンバータ70には直流側系統60だけが接続されているが、複数の直流側系統がコンバータ70に接続されてもよい。直流遮断器30は、コンバータ70に接続され、ヒューズ4により大電流を遮断するヒューズ遮断部であるヒューズ部1と、負荷側に通じ、負荷電流を遮断する自励振動方式直流遮断器部2とを備える。ヒューズ部1は、事故電流を遮断するヒューズ4と、ヒューズ4の劣化防止用かつ事故電流の転流用である高速断路器3と、直流電流の遮断後に過電圧を抑制する第1の金属酸化物避雷器5とによって構成される。高速断路器3は、保護リレー11が事故を検出すると接点を開いて遮断動作を開始する。高速断路器3が事故電流を検出してから開極するまでに要する時間は、10ms未満である。
図5は、本発明の実施の形態2に係る直流遮断器のヒューズ部の構成を示す図である。実施の形態2に係る直流遮断器30は、ヒューズ部1以外は実施の形態1に係る直流断路器と同様であるため、ヒューズ部1以外についての説明は省略する。実施の形態2に係る直流遮断器30のヒューズ部1は、ヒューズ4を複数有する。ヒューズ部1は、複数のヒューズ4の各々と直列に接続され、複数のヒューズ4のいずれかを高速断路器3と並列に接続するヒューズ切替スイッチ4aと、ヒューズ切替スイッチ4aを制御するコントローラ4bとを有する。
Claims (6)
- ヒューズにより大電流を遮断するヒューズ遮断部を備え、
前記ヒューズ遮断部は、前記ヒューズと並列に接続され、事故電流を検出すると開極する高速断路器を有することを特徴とする直流遮断器。 - 前記ヒューズ遮断部は、互いに並列に接続された複数の前記ヒューズと、
複数の前記ヒューズの各々と直列に接続された複数のスイッチと、
複数の前記スイッチを制御するコントローラとを有することを特徴とする請求項1に記載の直流遮断器。 - 前記ヒューズ遮断部は、前記ヒューズ及び前記高速断路器と並列に接続され、直流電流の遮断後に過電圧を抑制する第1の金属酸化物避雷器を有することを特徴とする請求項1又は2に記載の直流遮断器。
- 前記ヒューズ遮断部と直列に接続され、自励振動方式で小電流を遮断する自励振動方式直流遮断器部を有することを特徴とする請求項1から3のいずれか1項に記載の直流遮断器。
- 前記自励振動方式直流遮断器部は、負荷電流遮断時に開極する遮断部と、前記遮断部と並列に接続されたコンデンサ及びリアクトルとを有することを特徴とする請求項4に記載の直流遮断器。
- 前記自励振動方式直流遮断器部は、前記コンデンサ及び前記リアクトルと前記遮断部とに並列に接続され、直流電流の遮断後に過電圧を抑制する第2の金属酸化物避雷器を有することを特徴とする請求項5に記載の直流遮断器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2018/016144 WO2019202703A1 (ja) | 2018-04-19 | 2018-04-19 | 直流遮断器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6456575B1 JP6456575B1 (ja) | 2019-01-23 |
JPWO2019202703A1 true JPWO2019202703A1 (ja) | 2020-04-30 |
Family
ID=65037040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018550603A Active JP6456575B1 (ja) | 2018-04-19 | 2018-04-19 | 直流遮断器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11069502B2 (ja) |
EP (1) | EP3783634A4 (ja) |
JP (1) | JP6456575B1 (ja) |
WO (1) | WO2019202703A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7117744B2 (ja) | 2019-09-17 | 2022-08-15 | 国立大学法人埼玉大学 | 電流遮断装置及び電流遮断方法 |
US11610752B2 (en) * | 2021-05-04 | 2023-03-21 | Defang Yuan | Fast smart circuit breaker |
CN113595041B (zh) * | 2021-07-02 | 2023-08-01 | 西安交通大学 | 组合式直流保护装置 |
FR3126075B1 (fr) | 2021-08-09 | 2023-08-04 | Inst Supergrid | Dispositif et Procédé de coupure de courant électrique sous haute tension continue avec fusible et système de surcharge à courant oscillant |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6678140B2 (en) * | 2000-10-21 | 2004-01-13 | Current Technology, Inc. | Modular structures for transient voltage surge suppressors |
US7633737B2 (en) * | 2004-04-29 | 2009-12-15 | Cooper Technologies Company | Liquid immersed surge arrester |
US20070201177A1 (en) * | 2006-02-27 | 2007-08-30 | Eaton Corporation | Surge protection device disconnector |
JP5134640B2 (ja) | 2009-04-02 | 2013-01-30 | 日本電信電話株式会社 | 回路遮断器 |
WO2012100831A1 (en) * | 2011-01-27 | 2012-08-02 | Alstom Technology Ltd | Circuit breaker apparatus |
JP6347952B2 (ja) * | 2011-12-27 | 2018-06-27 | Littelfuseジャパン合同会社 | 保護デバイス |
US9240682B2 (en) * | 2012-09-18 | 2016-01-19 | Sunpower Corporation | Mitigation of arc flash hazard in photovoltaic power plants |
CN105684120B (zh) * | 2013-07-02 | 2018-04-13 | 泰科电子日本合同会社 | 保护器件 |
WO2015011949A1 (ja) | 2013-07-24 | 2015-01-29 | 三菱電機株式会社 | 半導体スイッチ回路 |
US9800171B2 (en) | 2014-02-14 | 2017-10-24 | Mitsubishi Electric Corporation | Protection system for DC power transmission system, AC-DC converter, and method of interrupting DC power transmission system |
WO2016056098A1 (ja) | 2014-10-09 | 2016-04-14 | 三菱電機株式会社 | 直流遮断器 |
KR101658539B1 (ko) * | 2014-10-10 | 2016-09-22 | 엘에스산전 주식회사 | 직류 차단기 및 이를 이용하는 방법 |
JP6591204B2 (ja) | 2015-06-02 | 2019-10-16 | 株式会社東芝 | 直流電流遮断装置 |
EP3489981A4 (en) | 2016-07-19 | 2019-08-07 | Sony Corporation | SWITCHING DEVICE, MOBILE BODY AND POWER SUPPLY SYSTEM |
-
2018
- 2018-04-19 US US16/969,206 patent/US11069502B2/en active Active
- 2018-04-19 EP EP18915763.9A patent/EP3783634A4/en active Pending
- 2018-04-19 JP JP2018550603A patent/JP6456575B1/ja active Active
- 2018-04-19 WO PCT/JP2018/016144 patent/WO2019202703A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2019202703A1 (ja) | 2019-10-24 |
US11069502B2 (en) | 2021-07-20 |
JP6456575B1 (ja) | 2019-01-23 |
US20200411271A1 (en) | 2020-12-31 |
EP3783634A1 (en) | 2021-02-24 |
EP3783634A4 (en) | 2021-05-19 |
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