JPWO2021234788A1 - - Google Patents
Info
- Publication number
- JPWO2021234788A1 JPWO2021234788A1 JP2022523769A JP2022523769A JPWO2021234788A1 JP WO2021234788 A1 JPWO2021234788 A1 JP WO2021234788A1 JP 2022523769 A JP2022523769 A JP 2022523769A JP 2022523769 A JP2022523769 A JP 2022523769A JP WO2021234788 A1 JPWO2021234788 A1 JP WO2021234788A1
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- 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
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- 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
- H02H3/02—Details
- H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
-
- 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
-
- 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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/268—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for DC systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Direct Current Feeding And Distribution (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/019676 WO2021234788A1 (ja) | 2020-05-18 | 2020-05-18 | 給電システム、保護協調方法、及びプログラム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2021234788A1 true JPWO2021234788A1 (https=) | 2021-11-25 |
| JP7414132B2 JP7414132B2 (ja) | 2024-01-16 |
Family
ID=78708231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022523769A Active JP7414132B2 (ja) | 2020-05-18 | 2020-05-18 | 給電システム、保護協調方法、及びプログラム |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US12113350B2 (https=) |
| JP (1) | JP7414132B2 (https=) |
| WO (1) | WO2021234788A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021234789A1 (ja) * | 2020-05-18 | 2021-11-25 | 日本電信電話株式会社 | 給電システム、地絡検知方法、及びプログラム |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57183216A (en) * | 1981-04-27 | 1982-11-11 | Westinghouse Electric Corp | Load protecting device |
| WO2009081912A1 (ja) * | 2007-12-25 | 2009-07-02 | Panasonic Electric Works Co., Ltd. | Ｄｃ配電システム |
| WO2009081908A1 (ja) * | 2007-12-25 | 2009-07-02 | Panasonic Electric Works Co., Ltd. | 直流配電システム |
| WO2017221493A1 (ja) * | 2016-06-21 | 2017-12-28 | 三菱電機株式会社 | 直流電気回路保護装置およびアーク検出方法 |
| WO2021044686A1 (ja) * | 2019-09-02 | 2021-03-11 | 三菱電機株式会社 | 直流配電システム |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9800044B2 (en) * | 2015-05-29 | 2017-10-24 | Abb Schweiz Ag | Fault location of DC distribution systems |
| FR3056033B1 (fr) * | 2016-09-14 | 2018-10-12 | Supergrid Institute | Protection d'un reseau hvdc |
| US20200144807A1 (en) * | 2018-11-07 | 2020-05-07 | Rolls-Royce North American Technologies Inc. | Redundant protection system for a hybrid electrical system |
-
2020
- 2020-05-18 JP JP2022523769A patent/JP7414132B2/ja active Active
- 2020-05-18 WO PCT/JP2020/019676 patent/WO2021234788A1/ja not_active Ceased
- 2020-05-18 US US17/920,098 patent/US12113350B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57183216A (en) * | 1981-04-27 | 1982-11-11 | Westinghouse Electric Corp | Load protecting device |
| WO2009081912A1 (ja) * | 2007-12-25 | 2009-07-02 | Panasonic Electric Works Co., Ltd. | Ｄｃ配電システム |
| WO2009081908A1 (ja) * | 2007-12-25 | 2009-07-02 | Panasonic Electric Works Co., Ltd. | 直流配電システム |
| WO2017221493A1 (ja) * | 2016-06-21 | 2017-12-28 | 三菱電機株式会社 | 直流電気回路保護装置およびアーク検出方法 |
| WO2021044686A1 (ja) * | 2019-09-02 | 2021-03-11 | 三菱電機株式会社 | 直流配電システム |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7414132B2 (ja) | 2024-01-16 |
| WO2021234788A1 (ja) | 2021-11-25 |
| US20230178975A1 (en) | 2023-06-08 |
| US12113350B2 (en) | 2024-10-08 |
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