IT1055697B - Dispositivo di protezione per elementi inseriti in circuiti elettrici quali conduttori barre di distribuzione trasformatori e simili - Google Patents
Dispositivo di protezione per elementi inseriti in circuiti elettrici quali conduttori barre di distribuzione trasformatori e similiInfo
- Publication number
- IT1055697B IT1055697B IT69866/75A IT6986675A IT1055697B IT 1055697 B IT1055697 B IT 1055697B IT 69866/75 A IT69866/75 A IT 69866/75A IT 6986675 A IT6986675 A IT 6986675A IT 1055697 B IT1055697 B IT 1055697B
- Authority
- IT
- Italy
- Prior art keywords
- transformers
- conductors
- protection device
- electrical circuits
- elements inserted
- 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
- H02H7/265—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 making use of travelling wave theory
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Emergency Protection Circuit Devices (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7414614A SE387019B (sv) | 1974-11-21 | 1974-11-21 | Skydd for i elektrisk kraftnet ingaende anleggningsdelar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1055697B true IT1055697B (it) | 1982-01-11 |
Family
ID=20322767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT69866/75A IT1055697B (it) | 1974-11-21 | 1975-11-20 | Dispositivo di protezione per elementi inseriti in circuiti elettrici quali conduttori barre di distribuzione trasformatori e simili |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4053816A (it) |
| CA (1) | CA1054701A (it) |
| CH (1) | CH590575A5 (it) |
| DE (1) | DE2550670C3 (it) |
| FR (1) | FR2292361B2 (it) |
| GB (1) | GB1523126A (it) |
| IT (1) | IT1055697B (it) |
| SE (1) | SE387019B (it) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE409266B (sv) * | 1977-11-28 | 1979-08-06 | Asea Ab | Releskydd med fasvis sperrfunktion |
| SE409267B (sv) * | 1977-11-28 | 1979-08-06 | Asea Ab | Releskydd med funktionsverdesomkoppling |
| SE409153B (sv) * | 1977-11-28 | 1979-07-30 | Asea Ab | Releskydd med trefasutlosning vid underspenning |
| SE410925B (sv) * | 1978-04-06 | 1979-11-12 | Asea Ab | Riktad vagdetektor |
| US6691051B2 (en) * | 2001-08-14 | 2004-02-10 | Tektronix, Inc. | Transient distance to fault measurement |
| AU2012323949B2 (en) | 2011-10-12 | 2015-01-15 | Schweitzer Engineering Laboratories, Inc. | Fault location using traveling waves |
| US9588168B2 (en) | 2013-09-16 | 2017-03-07 | Schweitzer Engineering Laboratories, Inc. | Fault location using traveling waves |
| US8990036B1 (en) | 2013-09-16 | 2015-03-24 | Schweitzer Engineering Laboratories, Inc. | Power line parameter adjustment and fault location using traveling waves |
| US9470748B2 (en) | 2014-09-16 | 2016-10-18 | Schweitzer Engineering Laboratories, Inc. | Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements |
| US9509399B2 (en) | 2015-02-13 | 2016-11-29 | Schweitzer Engineering Laboratories, Inc. | Transmission line protection using traveling waves in optical ground wire fiber |
| US10090664B2 (en) | 2015-09-18 | 2018-10-02 | Schweitzer Engineering Laboratories, Inc. | Time-domain directional line protection of electric power delivery systems |
| WO2017049224A1 (en) | 2015-09-18 | 2017-03-23 | Schweitzer Engineering Laboratories, Inc. | Time-domain line protection of electric power delivery systems |
| WO2017066205A1 (en) | 2015-10-12 | 2017-04-20 | Schweitzer Engineering Laboratories, Inc. | Traveling wave directional element |
| US10564247B2 (en) | 2015-10-13 | 2020-02-18 | Schweitzer Engineering Laboratories, Inc. | Testing system for traveling wave fault detectors |
| CN107925240B (zh) | 2015-10-13 | 2020-06-02 | 施瓦哲工程实验有限公司 | 用于行波故障检测器的测试系统 |
| EP3362805A4 (en) | 2015-10-13 | 2019-06-19 | Schweitzer Engineering Laboratories, Inc. | MONITORING POWER SUPPLY SYSTEM USING HIGH FREQUENCY SIGNALS |
| WO2017066704A1 (en) | 2015-10-14 | 2017-04-20 | Schweitzer Engineering Laboratories, Inc. | High-frequency electric power system signal processing system |
| US10522995B2 (en) | 2016-06-13 | 2019-12-31 | Schweitzer Engineering Laboratories, Inc. | Overcurrent element in time domain |
| CN109275337A (zh) | 2016-06-14 | 2019-01-25 | 施瓦哲工程实验有限公司 | 行波故障检测系统的相选择 |
| US10236675B2 (en) | 2016-07-26 | 2019-03-19 | Schweitzer Engineering Laboratories, Inc. | Fault detection and protection during steady state using traveling waves |
| US10585133B2 (en) | 2016-11-11 | 2020-03-10 | Schweitzer Engineering Laboratories, Inc. | Electric power fault protection device using single-ended traveling wave fault location estimation |
| US10295585B2 (en) | 2016-11-11 | 2019-05-21 | Schweitzer Engineering Laboratories, Inc. | Traveling wave based single end fault location |
| US11280834B2 (en) | 2018-08-30 | 2022-03-22 | Schweitzer Engineering Laboratories, Inc. | Detection of low-energy events in an electric power system |
| US10677834B2 (en) | 2018-09-14 | 2020-06-09 | Schweitzer Engineering Laboratories, Inc. | Distance protection of electric power delivery systems using time domain and frequency domain |
| US10641815B2 (en) | 2018-09-27 | 2020-05-05 | Schweitzer Engineering Laboratories, Inc. | Secure distance protection of electric power delivery systems under transient conditions |
| US11067617B2 (en) | 2018-10-08 | 2021-07-20 | Schweitzer Engineering Laboratories, Inc. | Single-end traveling wave fault location using line-mounted device |
| US11592498B2 (en) | 2020-10-02 | 2023-02-28 | Schweitzer Engineering Laboratories, Inc. | Multi-phase fault identification in capacitor banks |
| US11735907B2 (en) | 2021-02-03 | 2023-08-22 | Schweitzer Engineering Laboratories, Inc. | Traveling wave overcurrent protection for electric power delivery systems |
| US11808824B2 (en) | 2021-03-17 | 2023-11-07 | Schweitzer Engineering Laboratories, Inc. | Systems and methods to identify open phases of a capacitor bank |
| US12130322B2 (en) | 2022-12-02 | 2024-10-29 | Schweitzer Engineering Laboratories, Inc. | Traveling wave analysis and fault locating for electric power systems |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1566425A (it) * | 1968-02-27 | 1969-05-09 | ||
| SE368092B (it) * | 1972-11-06 | 1974-06-17 | Asea Ab | |
| SE373239B (it) * | 1973-05-21 | 1975-01-27 | Asea Ab | |
| CH559449A5 (it) * | 1973-05-30 | 1975-02-28 | Bbc Brown Boveri & Cie | |
| SE375886B (it) * | 1973-08-22 | 1975-04-28 | Asea Ab |
-
1974
- 1974-11-21 SE SE7414614A patent/SE387019B/xx not_active IP Right Cessation
-
1975
- 1975-10-23 CH CH1372075A patent/CH590575A5/xx not_active IP Right Cessation
- 1975-10-29 GB GB44576/75A patent/GB1523126A/en not_active Expired
- 1975-11-07 US US05/629,787 patent/US4053816A/en not_active Expired - Lifetime
- 1975-11-12 DE DE2550670A patent/DE2550670C3/de not_active Expired
- 1975-11-14 FR FR7534791A patent/FR2292361B2/fr not_active Expired
- 1975-11-17 CA CA239827A patent/CA1054701A/en not_active Expired
- 1975-11-20 IT IT69866/75A patent/IT1055697B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2550670C3 (de) | 1978-11-02 |
| CH590575A5 (it) | 1977-08-15 |
| GB1523126A (en) | 1978-08-31 |
| FR2292361B2 (fr) | 1986-02-28 |
| DE2550670B2 (de) | 1978-02-09 |
| FR2292361A2 (fr) | 1976-06-18 |
| CA1054701A (en) | 1979-05-15 |
| US4053816A (en) | 1977-10-11 |
| SE7414614L (sv) | 1976-05-24 |
| SE387019B (sv) | 1976-08-23 |
| DE2550670A1 (de) | 1976-08-12 |
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