FI20000665L - Mätning av ellednings storhet - Google Patents
Mätning av ellednings storhet Download PDFInfo
- Publication number
- FI20000665L FI20000665L FI20000665A FI20000665A FI20000665L FI 20000665 L FI20000665 L FI 20000665L FI 20000665 A FI20000665 A FI 20000665A FI 20000665 A FI20000665 A FI 20000665A FI 20000665 L FI20000665 L FI 20000665L
- Authority
- FI
- Finland
- Prior art keywords
- measurement
- electrical line
- line quantities
- quantities
- electrical
- Prior art date
Links
- 238000005259 measurement Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/142—Arrangements for simultaneous measurements of several parameters employing techniques covered by groups G01R15/14 - G01R15/26
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Phase Differences (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20000665A FI108167B (sv) | 2000-03-21 | 2000-03-21 | Mätning av ellednings storhet |
| PCT/FI2001/000277 WO2001071367A1 (en) | 2000-03-21 | 2001-03-20 | Measurement of quantities of electric line |
| AU2001248394A AU2001248394A1 (en) | 2000-03-21 | 2001-03-20 | Measurement of quantities of electric line |
| US10/232,403 US6859025B2 (en) | 2000-03-21 | 2002-09-03 | Measurement of quantities of electric line |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20000665 | 2000-03-21 | ||
| FI20000665A FI108167B (sv) | 2000-03-21 | 2000-03-21 | Mätning av ellednings storhet |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI20000665A0 FI20000665A0 (sv) | 2000-03-21 |
| FI20000665L true FI20000665L (sv) | 2001-09-22 |
| FI108167B FI108167B (sv) | 2001-11-30 |
Family
ID=8557998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20000665A FI108167B (sv) | 2000-03-21 | 2000-03-21 | Mätning av ellednings storhet |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6859025B2 (sv) |
| AU (1) | AU2001248394A1 (sv) |
| FI (1) | FI108167B (sv) |
| WO (1) | WO2001071367A1 (sv) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7518529B2 (en) | 2003-01-31 | 2009-04-14 | Fmc Tech Limited | Monitoring device for a medium voltage overhead line |
| FI116102B (sv) * | 2004-03-19 | 2005-09-15 | Ensto Sekko Oy | Mätdon för användning i eldistributionsnät eller -transmissionsnät |
| CA2698848A1 (en) * | 2009-04-01 | 2010-10-01 | Erlphase Power Technologies Limited | An efficient method for calculating the dot product in fault detection algorithms |
| CN204214925U (zh) * | 2012-03-16 | 2015-03-18 | 菲力尔系统公司 | 电传感器和电传感器标签 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1275560A (en) * | 1968-12-10 | 1972-05-24 | English Electric Co Ltd | Selector circuit for determining faults in polyphase transmission systems |
| US4689752A (en) * | 1983-04-13 | 1987-08-25 | Niagara Mohawk Power Corporation | System and apparatus for monitoring and control of a bulk electric power delivery system |
| KR960003360B1 (ko) * | 1991-06-03 | 1996-03-09 | 마쯔시다덴기산교 가부시기가이샤 | 영상전압측정장치 |
| FR2682190B1 (fr) | 1991-10-07 | 1995-08-04 | Electricite De France | Procede de detection selective d'un defaut resistant dans un reseau de distribution d'energie electrique et dispositif pour sa mise en óoeuvre. |
| FR2693275B1 (fr) * | 1992-07-06 | 1994-08-19 | Alsthom Gec | Dispositif de mesure à partir du sol pour lignes aériennes à haute tension. |
| US5565783A (en) * | 1994-09-29 | 1996-10-15 | Pacific Gas And Electric Company | Fault sensor device with radio transceiver |
| DE4439499C2 (de) * | 1994-10-27 | 1998-01-29 | Siemens Ag | Verfahren zum Erfassen eines Erdkurzschlusses auf einer elektrischen Energieübertragungsleitung |
| US6141626A (en) * | 1997-05-09 | 2000-10-31 | Abb Power T&D Company Inc. | Two-element energy meter having systems for automatic service type detection |
| CA2298583C (en) * | 1998-07-16 | 2004-08-31 | Mitsubishi Denki Kabushiki Kaisha | Synchronous switching apparatus for use with a multiple phase power sys tem |
| US6642700B2 (en) * | 2002-03-26 | 2003-11-04 | Avistar, Inc. | System, method, field unit, reference unit and computer program product for phase tracking of electrical conductors |
-
2000
- 2000-03-21 FI FI20000665A patent/FI108167B/sv not_active IP Right Cessation
-
2001
- 2001-03-20 AU AU2001248394A patent/AU2001248394A1/en not_active Abandoned
- 2001-03-20 WO PCT/FI2001/000277 patent/WO2001071367A1/en not_active Ceased
-
2002
- 2002-09-03 US US10/232,403 patent/US6859025B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US20030030428A1 (en) | 2003-02-13 |
| FI108167B (sv) | 2001-11-30 |
| AU2001248394A1 (en) | 2001-10-03 |
| US6859025B2 (en) | 2005-02-22 |
| WO2001071367A1 (en) | 2001-09-27 |
| FI20000665A0 (sv) | 2000-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |