DE2503141A1 - Statorerdschluss-ueberwachungseinrichtung - Google Patents
Statorerdschluss-ueberwachungseinrichtungInfo
- Publication number
- DE2503141A1 DE2503141A1 DE19752503141 DE2503141A DE2503141A1 DE 2503141 A1 DE2503141 A1 DE 2503141A1 DE 19752503141 DE19752503141 DE 19752503141 DE 2503141 A DE2503141 A DE 2503141A DE 2503141 A1 DE2503141 A1 DE 2503141A1
- Authority
- DE
- Germany
- Prior art keywords
- earth
- circuit
- stator
- frequency
- voltage source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000004804 winding Methods 0.000 title abstract description 6
- 238000012806 monitoring device Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000004069 differentiation Effects 0.000 claims 1
- 238000011156 evaluation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 206010001497 Agitation Diseases 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
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
- H02H7/06—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 for dynamo-electric generators; for synchronous capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1705674A CH579330A5 (enExample) | 1974-12-20 | 1974-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2503141A1 true DE2503141A1 (de) | 1976-07-01 |
Family
ID=4422412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752503141 Ceased DE2503141A1 (de) | 1974-12-20 | 1975-01-27 | Statorerdschluss-ueberwachungseinrichtung |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH579330A5 (enExample) |
| DE (1) | DE2503141A1 (enExample) |
| SE (1) | SE413825B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4329381A1 (de) * | 1993-09-01 | 1995-03-02 | Abb Management Ag | Verfahren zur Erfassung von Erdfehlern auf den Leitern einer elektrischen Maschine |
| WO2000072422A1 (en) * | 1999-05-24 | 2000-11-30 | Abb Power Automation Ag | An electrical machine winding ground-fault protection system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT391230B (de) * | 1986-08-20 | 1990-09-10 | Elin Union Ag | Einrichtung zur erfassung der nulldurchgaenge |
-
1974
- 1974-12-20 CH CH1705674A patent/CH579330A5/xx not_active IP Right Cessation
-
1975
- 1975-01-27 DE DE19752503141 patent/DE2503141A1/de not_active Ceased
- 1975-12-18 SE SE7514391A patent/SE413825B/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4329381A1 (de) * | 1993-09-01 | 1995-03-02 | Abb Management Ag | Verfahren zur Erfassung von Erdfehlern auf den Leitern einer elektrischen Maschine |
| WO2000072422A1 (en) * | 1999-05-24 | 2000-11-30 | Abb Power Automation Ag | An electrical machine winding ground-fault protection system |
Also Published As
| Publication number | Publication date |
|---|---|
| SE413825B (sv) | 1980-06-23 |
| SE7514391L (sv) | 1976-06-21 |
| CH579330A5 (enExample) | 1976-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8120 | Willingness to grant licences paragraph 23 | ||
| 8131 | Rejection |