FI752499A - - Google Patents
Info
- Publication number
- FI752499A FI752499A FI752499A FI752499A FI752499A FI 752499 A FI752499 A FI 752499A FI 752499 A FI752499 A FI 752499A FI 752499 A FI752499 A FI 752499A FI 752499 A FI752499 A FI 752499A
- Authority
- FI
- Finland
Links
Classifications
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- 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
- H02H7/261—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 involving signal transmission between at least two stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7411231 | 1974-09-05 | ||
SE7411231A SE392786B (sv) | 1974-09-05 | 1974-09-05 | Sett och anordning for att identifiera och urkoppla felbeheftad sektion i elektriskt kraftledningsnet |
Publications (3)
Publication Number | Publication Date |
---|---|
FI752499A true FI752499A (pt) | 1976-03-06 |
FI59896B FI59896B (fi) | 1981-06-30 |
FI59896C FI59896C (fi) | 1981-10-12 |
Family
ID=20322061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI752499A FI59896C (fi) | 1974-09-05 | 1975-09-04 | Saett och anordning foer identifiering och urkoppling av felaktiga sektioner i kraftledningsnaet |
Country Status (2)
Country | Link |
---|---|
FI (1) | FI59896C (pt) |
SE (1) | SE392786B (pt) |
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1974
- 1974-09-05 SE SE7411231A patent/SE392786B/xx not_active IP Right Cessation
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1975
- 1975-09-04 FI FI752499A patent/FI59896C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI59896C (fi) | 1981-10-12 |
FI59896B (fi) | 1981-06-30 |
SE392786B (sv) | 1977-04-18 |
SE7411231L (sv) | 1976-03-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: AB LINJE BYGGNAD |