SE446143B - Sett och anordning for felriktningsdetektering i ett elektriskt flerfasnet - Google Patents
Sett och anordning for felriktningsdetektering i ett elektriskt flerfasnetInfo
- Publication number
- SE446143B SE446143B SE8002037A SE8002037A SE446143B SE 446143 B SE446143 B SE 446143B SE 8002037 A SE8002037 A SE 8002037A SE 8002037 A SE8002037 A SE 8002037A SE 446143 B SE446143 B SE 446143B
- Authority
- SE
- Sweden
- Prior art keywords
- phase
- fault
- voltage
- measuring
- signals
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title claims description 11
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 7
- 230000010363 phase shift Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 3
- 239000013598 vector Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 235000013405 beer Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
Classifications
-
- 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
- H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
- H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Phase Differences (AREA)
- Locating Faults (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH259779A CH655621B (instruction) | 1979-03-20 | 1979-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8002037L SE8002037L (sv) | 1980-09-21 |
| SE446143B true SE446143B (sv) | 1986-08-11 |
Family
ID=4237347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8002037A SE446143B (sv) | 1979-03-20 | 1980-03-14 | Sett och anordning for felriktningsdetektering i ett elektriskt flerfasnet |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH655621B (instruction) |
| DE (1) | DE2914900C2 (instruction) |
| FR (1) | FR2452114A1 (instruction) |
| GB (1) | GB2046039B (instruction) |
| NL (1) | NL8001554A (instruction) |
| SE (1) | SE446143B (instruction) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126526A1 (de) * | 2011-03-24 | 2012-09-27 | Siemens Aktiengesellschaft | Richtungsbestimmung von intermittierenden erdfehlern in energieversorgungsnetzen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE302638B (instruction) * | 1964-06-26 | 1968-07-29 | Siemens Ag | |
| CH560477A5 (instruction) * | 1973-05-30 | 1975-03-27 | Bbc Brown Boveri & Cie |
-
1979
- 1979-03-20 CH CH259779A patent/CH655621B/de unknown
- 1979-04-12 DE DE2914900A patent/DE2914900C2/de not_active Expired
-
1980
- 1980-03-14 SE SE8002037A patent/SE446143B/sv not_active IP Right Cessation
- 1980-03-16 NL NL8001554A patent/NL8001554A/nl not_active Application Discontinuation
- 1980-03-18 GB GB8009071A patent/GB2046039B/en not_active Expired
- 1980-03-18 FR FR8006022A patent/FR2452114A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB2046039A (en) | 1980-11-05 |
| DE2914900C2 (de) | 1985-01-31 |
| DE2914900A1 (de) | 1980-10-02 |
| CH655621B (instruction) | 1986-04-30 |
| GB2046039B (en) | 1982-11-10 |
| NL8001554A (nl) | 1980-09-23 |
| SE8002037L (sv) | 1980-09-21 |
| FR2452114A1 (fr) | 1980-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3947728A (en) | Network protector relay | |
| US11533016B2 (en) | Motor driving device and steering system | |
| US11936307B2 (en) | Power control system and controller for power control system | |
| CN108092594A (zh) | 一种开绕组三相电机容错系统及其控制方法 | |
| US3374399A (en) | Distance protective relaying | |
| US3898530A (en) | Protective devices for electric power transmission systems | |
| US3838314A (en) | Detector for reverse and open phase in a three phase circuit | |
| CN110729746B (zh) | 一种直流输电换流器接地故障定位方法 | |
| SE446143B (sv) | Sett och anordning for felriktningsdetektering i ett elektriskt flerfasnet | |
| US2381527A (en) | Protective apparatus | |
| US5434492A (en) | System for controlling a one role synchronous motor in accordance with a measured back EMF | |
| US6038114A (en) | Motor controller having delta motor wiring error detection capability | |
| KR20230117191A (ko) | 영상 전류 차동 릴레이 | |
| US4352136A (en) | Impedance-measuring device for impedance protection | |
| US3475655A (en) | Method and means for protecting an ac electric system from short circuits by a distance relay having quadrilateral characteristics | |
| CN114121449A (zh) | 一种移相变压器 | |
| US3401307A (en) | Electrical protective relay arrangement | |
| KR20230021742A (ko) | 영상 변류기의 평형 특성 시험 장치 | |
| US1963195A (en) | Symmetrical component system | |
| US1870518A (en) | Electric protective system | |
| US1752947A (en) | Protective system | |
| SU847427A1 (ru) | Реле реактивного сопротивлени зАщиТ OT зАМыКАНий HA зЕМлю | |
| JP4665561B2 (ja) | 電圧駆動型半導体素子の直列接続方式 | |
| JP7038648B2 (ja) | 制御装置 | |
| US3534349A (en) | Data transmission systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8002037-3 Effective date: 19910117 Format of ref document f/p: F |