FI108760B - Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele - Google Patents
Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele Download PDFInfo
- Publication number
- FI108760B FI108760B FI980876A FI980876A FI108760B FI 108760 B FI108760 B FI 108760B FI 980876 A FI980876 A FI 980876A FI 980876 A FI980876 A FI 980876A FI 108760 B FI108760 B FI 108760B
- Authority
- FI
- Finland
- Prior art keywords
- samples
- frequency
- dimension
- determining
- physical
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
-
- 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
- G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
-
- 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
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI980876A FI108760B (fi) | 1998-04-21 | 1998-04-21 | Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele |
TW87113598A TW407389B (en) | 1998-04-21 | 1998-08-18 | Method for adapting a protective relay to the mains frequency, and a protective relay |
AU34243/99A AU3424399A (en) | 1998-04-21 | 1999-04-20 | Method for adapting a protective relay to the mains frequency, and a protective relay |
DE69941886T DE69941886D1 (de) | 1998-04-21 | 1999-04-20 | Verfahren zur anpassung eines schutzrelais an die netzfrequenz, und ein schutzrelais |
PCT/FI1999/000318 WO1999054976A1 (en) | 1998-04-21 | 1999-04-20 | Method for adapting a protective relay to the mains frequency, and a protective relay |
EP99915791A EP0990291B1 (de) | 1998-04-21 | 1999-04-20 | Verfahren zur anpassung eines schutzrelais an die netzfrequenz, und ein schutzrelais |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI980876 | 1998-04-21 | ||
FI980876A FI108760B (fi) | 1998-04-21 | 1998-04-21 | Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele |
Publications (3)
Publication Number | Publication Date |
---|---|
FI980876A0 FI980876A0 (fi) | 1998-04-21 |
FI980876A FI980876A (fi) | 1999-10-22 |
FI108760B true FI108760B (fi) | 2002-03-15 |
Family
ID=8551552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI980876A FI108760B (fi) | 1998-04-21 | 1998-04-21 | Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0990291B1 (de) |
AU (1) | AU3424399A (de) |
DE (1) | DE69941886D1 (de) |
FI (1) | FI108760B (de) |
TW (1) | TW407389B (de) |
WO (1) | WO1999054976A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112006003960A5 (de) * | 2006-08-07 | 2009-04-16 | Siemens Aktiengesellschaft | Verfahren zum Abtasten eines Strom-oder Spannungsverlaufs und zum Bilden von Abtastwerten, insbesondere zum Einsatz bei Schutz-oder Leiteinrichtungen für Energieübertragungssysteme |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01202114A (ja) * | 1988-02-04 | 1989-08-15 | Mitsubishi Electric Corp | サンプリング方式 |
JP2969724B2 (ja) * | 1990-02-06 | 1999-11-02 | 株式会社明電舎 | 変化量保護継電器 |
JPH0458714A (ja) * | 1990-06-25 | 1992-02-25 | Mitsubishi Electric Corp | ディジタル保護継電装置 |
JPH06311633A (ja) * | 1993-04-23 | 1994-11-04 | Hitachi Ltd | ディジタル形保護リレー装置 |
-
1998
- 1998-04-21 FI FI980876A patent/FI108760B/fi not_active IP Right Cessation
- 1998-08-18 TW TW87113598A patent/TW407389B/zh active
-
1999
- 1999-04-20 WO PCT/FI1999/000318 patent/WO1999054976A1/en active Application Filing
- 1999-04-20 EP EP99915791A patent/EP0990291B1/de not_active Expired - Lifetime
- 1999-04-20 DE DE69941886T patent/DE69941886D1/de not_active Expired - Lifetime
- 1999-04-20 AU AU34243/99A patent/AU3424399A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0990291A1 (de) | 2000-04-05 |
FI980876A (fi) | 1999-10-22 |
FI980876A0 (fi) | 1998-04-21 |
DE69941886D1 (de) | 2010-02-25 |
WO1999054976A1 (en) | 1999-10-28 |
AU3424399A (en) | 1999-11-08 |
EP0990291B1 (de) | 2010-01-06 |
TW407389B (en) | 2000-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |