SE7601298L - Tiduppdelningsmultiplexsystem for ett segregerat fasjemforelserelesystem - Google Patents
Tiduppdelningsmultiplexsystem for ett segregerat fasjemforelserelesystemInfo
- Publication number
- SE7601298L SE7601298L SE7601298A SE7601298A SE7601298L SE 7601298 L SE7601298 L SE 7601298L SE 7601298 A SE7601298 A SE 7601298A SE 7601298 A SE7601298 A SE 7601298A SE 7601298 L SE7601298 L SE 7601298L
- Authority
- SE
- Sweden
- Prior art keywords
- fashemory
- segregated
- time division
- division multiplex
- relationship
- Prior art date
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
- H02H7/26—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
- H02H7/262—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 involving transmissions of switching or blocking orders
-
- 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
- H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
- H02H3/30—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Compounds Of Unknown Constitution (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54813275A | 1975-02-07 | 1975-02-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7601298L true SE7601298L (sv) | 1976-08-09 |
| SE404109B SE404109B (sv) | 1978-09-18 |
Family
ID=24187555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7601298A SE404109B (sv) | 1975-02-07 | 1976-02-06 | Releapparat for att skydda en ledningssektion av ett trefaskraftledningsnet |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS51103242A (sv) |
| AR (1) | AR212018A1 (sv) |
| AU (1) | AU503606B2 (sv) |
| BR (1) | BR7600683A (sv) |
| DE (1) | DE2604313A1 (sv) |
| ES (1) | ES444972A1 (sv) |
| FR (1) | FR2300449A1 (sv) |
| GB (1) | GB1501351A (sv) |
| IN (1) | IN145194B (sv) |
| IT (1) | IT1056690B (sv) |
| SE (1) | SE404109B (sv) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1130383A (en) | 1977-11-14 | 1982-08-24 | Tobias D. Schonken | Method and apparatus for monitoring poly-phase currents in poly-phase equipment |
| GB2135486A (en) * | 1983-02-18 | 1984-08-30 | Png Prod Ltd | Methods of remote-control using T.D.M. systems and apparatus utilising said methods |
| JPH02223228A (ja) * | 1988-12-06 | 1990-09-05 | General Electric Co <Ge> | 通信装置及び方法 |
| US7714735B2 (en) | 2005-09-13 | 2010-05-11 | Daniel Rockwell | Monitoring electrical assets for fault and efficiency correction |
| US20130054162A1 (en) | 2011-08-31 | 2013-02-28 | Tollgrade Communications, Inc. | Methods and apparatus for determining conditions of power lines |
| EP2815479B1 (en) | 2012-02-14 | 2017-01-04 | Tollgrade Communications, Inc. | Power line management system |
| CA2944440C (en) | 2014-03-31 | 2022-10-25 | Tollgrade Communication, Inc. | Optical voltage sensing for underground medium voltage wires |
| EP3186646B1 (en) | 2014-08-29 | 2021-10-20 | Aclara Technologies LLC | Power extraction for a medium voltage sensor using a capacitive voltage divider |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3390233A (en) * | 1965-01-08 | 1968-06-25 | Sangamo Electric Co | Digital unambiguous control of circuit interrupter means |
| US3696210A (en) * | 1970-08-06 | 1972-10-03 | Motorola Inc | Data transferring system utilizing a monitor channel and logic circuitry to assure secure data communication |
| US3893008A (en) * | 1972-10-04 | 1975-07-01 | Westinghouse Electric Corp | Segregated phase comparison relaying apparatus |
| US3832601A (en) * | 1973-08-09 | 1974-08-27 | Westinghouse Electric Corp | Phase comparison relaying apparatus with two-count by-pass circuit |
-
1976
- 1976-01-13 GB GB1231/76A patent/GB1501351A/en not_active Expired
- 1976-01-15 IN IN89/CAL/76A patent/IN145194B/en unknown
- 1976-01-23 AU AU10532/76A patent/AU503606B2/en not_active Expired
- 1976-01-30 FR FR7602693A patent/FR2300449A1/fr active Granted
- 1976-02-03 AR AR262134A patent/AR212018A1/es active
- 1976-02-04 BR BR7600683A patent/BR7600683A/pt unknown
- 1976-02-05 DE DE19762604313 patent/DE2604313A1/de not_active Ceased
- 1976-02-06 SE SE7601298A patent/SE404109B/sv unknown
- 1976-02-06 ES ES444972A patent/ES444972A1/es not_active Expired
- 1976-02-06 JP JP51011523A patent/JPS51103242A/ja active Pending
- 1976-02-09 IT IT41516/76A patent/IT1056690B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2300449A1 (fr) | 1976-09-03 |
| BR7600683A (pt) | 1976-08-31 |
| GB1501351A (en) | 1978-02-15 |
| AU503606B2 (en) | 1979-09-13 |
| JPS51103242A (sv) | 1976-09-11 |
| AU1053276A (en) | 1977-07-28 |
| IT1056690B (it) | 1982-02-20 |
| AR212018A1 (es) | 1978-04-28 |
| DE2604313A1 (de) | 1976-08-19 |
| SE404109B (sv) | 1978-09-18 |
| IN145194B (sv) | 1978-09-09 |
| FR2300449B1 (sv) | 1982-04-02 |
| ES444972A1 (es) | 1977-05-01 |
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