JPWO2022239047A1 - - Google Patents
Info
- Publication number
- JPWO2022239047A1 JPWO2022239047A1 JP2023520571A JP2023520571A JPWO2022239047A1 JP WO2022239047 A1 JPWO2022239047 A1 JP WO2022239047A1 JP 2023520571 A JP2023520571 A JP 2023520571A JP 2023520571 A JP2023520571 A JP 2023520571A JP WO2022239047 A1 JPWO2022239047 A1 JP WO2022239047A1
- 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.)
- Pending
Links
Classifications
-
- 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
- H02H7/04—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 for transformers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
- H02H1/043—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks to inrush currents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
- G01R19/2509—Details concerning sampling, digitizing or waveform capturing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
- G01R23/20—Measurement of non-linear distortion
-
- 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
-
- 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
- H02H3/46—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 frequency deviations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Transformers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2021/017623 WO2022239047A1 (ja) | 2021-05-10 | 2021-05-10 | 保護継電器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2022239047A1 true JPWO2022239047A1 (ja) | 2022-11-17 |
JPWO2022239047A5 JPWO2022239047A5 (ja) | 2023-12-07 |
Family
ID=84028463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023520571A Pending JPWO2022239047A1 (ja) | 2021-05-10 | 2021-05-10 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPWO2022239047A1 (ja) |
KR (1) | KR20230164719A (ja) |
CN (1) | CN117223183A (ja) |
DE (1) | DE112021007643T5 (ja) |
WO (1) | WO2022239047A1 (ja) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1080053A (ja) | 1996-09-06 | 1998-03-24 | Toshiba Transport Eng Kk | 交流き電用距離リレー及びその不要動作抑止方法 |
JP5932477B2 (ja) * | 2012-05-18 | 2016-06-08 | 株式会社東芝 | 保護継電装置及び電力供給回路 |
JP6599072B2 (ja) * | 2017-09-01 | 2019-10-30 | 三菱電機株式会社 | ディジタル保護継電器、及びディジタル保護継電器の閾値学習方法 |
KR20230034393A (ko) * | 2020-08-28 | 2023-03-09 | 미쓰비시덴키 가부시키가이샤 | 디지털 보호 계전기 및 디지털 보호 계전기 감시 시스템 |
-
2021
- 2021-05-10 JP JP2023520571A patent/JPWO2022239047A1/ja active Pending
- 2021-05-10 CN CN202180097398.3A patent/CN117223183A/zh active Pending
- 2021-05-10 DE DE112021007643.4T patent/DE112021007643T5/de active Pending
- 2021-05-10 WO PCT/JP2021/017623 patent/WO2022239047A1/ja active Application Filing
- 2021-05-10 KR KR1020237037668A patent/KR20230164719A/ko unknown
Also Published As
Publication number | Publication date |
---|---|
CN117223183A (zh) | 2023-12-12 |
WO2022239047A1 (ja) | 2022-11-17 |
KR20230164719A (ko) | 2023-12-04 |
DE112021007643T5 (de) | 2024-02-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230911 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230911 |