DE3706932A1 - Erdschlussschutzeinrichtung fuer gleichrichtergespeiste, potentialfrei angeordnete erregereinrichtung von synchronmaschinen - Google Patents
Erdschlussschutzeinrichtung fuer gleichrichtergespeiste, potentialfrei angeordnete erregereinrichtung von synchronmaschinenInfo
- Publication number
- DE3706932A1 DE3706932A1 DE19873706932 DE3706932A DE3706932A1 DE 3706932 A1 DE3706932 A1 DE 3706932A1 DE 19873706932 DE19873706932 DE 19873706932 DE 3706932 A DE3706932 A DE 3706932A DE 3706932 A1 DE3706932 A1 DE 3706932A1
- Authority
- DE
- Germany
- Prior art keywords
- earth
- rectifier
- fault
- currents
- synchronous machine
- 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.)
- Granted
Links
- 230000001360 synchronised effect Effects 0.000 title abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000005284 excitation Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 238000011156 evaluation Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 244000309464 bull Species 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012546 transfer 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
- H02H3/16—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 fault current to earth, frame or mass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
-
- 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
- H02H7/065—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 against excitation faults
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873706932 DE3706932A1 (de) | 1987-03-04 | 1987-03-04 | Erdschlussschutzeinrichtung fuer gleichrichtergespeiste, potentialfrei angeordnete erregereinrichtung von synchronmaschinen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873706932 DE3706932A1 (de) | 1987-03-04 | 1987-03-04 | Erdschlussschutzeinrichtung fuer gleichrichtergespeiste, potentialfrei angeordnete erregereinrichtung von synchronmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3706932A1 true DE3706932A1 (de) | 1988-09-15 |
DE3706932C2 DE3706932C2 (enrdf_load_stackoverflow) | 1990-04-12 |
Family
ID=6322250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873706932 Granted DE3706932A1 (de) | 1987-03-04 | 1987-03-04 | Erdschlussschutzeinrichtung fuer gleichrichtergespeiste, potentialfrei angeordnete erregereinrichtung von synchronmaschinen |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3706932A1 (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9210351U1 (de) * | 1992-07-31 | 1992-10-01 | Siemens AG, 8000 München | Einrichtung zur Läufererdschlußüberwachung |
CN102891474A (zh) * | 2012-11-02 | 2013-01-23 | 南京国电南自美卓控制系统有限公司 | 一种交、直流注入式转子一点接地保护装置及其保护方法 |
CN112217348A (zh) * | 2020-09-07 | 2021-01-12 | 华能南京金陵发电有限公司 | 一种消除无刷旋转励磁发电机转子接地检测滑环电腐蚀装置及方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD5278A (enrdf_load_stackoverflow) * | ||||
DE1513460A1 (de) * | 1965-05-08 | 1969-08-14 | Siemens Ag | Schutzeinrichtung miteinander verbundene Gleich- und Wechselspannungssysteme |
AT275640B (de) * | 1966-05-10 | 1969-10-27 | Elin Union Ag | Masseschlußanzeige für Polradwicklungen in bürstenlos erregten Synchrongeneratoren |
DE2129458B2 (de) * | 1971-06-09 | 1973-08-30 | Einrichtung zur messung des isolationswiderstandes des laeuferkreises von buerstenlosen synchronmaschinen | |
DE2809596A1 (de) * | 1978-03-06 | 1979-09-20 | Merk Gmbh Telefonbau Fried | Schaltungsanordnung zur erfassung von erdschluessen zweiadriger meldeleitungen |
-
1987
- 1987-03-04 DE DE19873706932 patent/DE3706932A1/de active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD5278A (enrdf_load_stackoverflow) * | ||||
DE1513460A1 (de) * | 1965-05-08 | 1969-08-14 | Siemens Ag | Schutzeinrichtung miteinander verbundene Gleich- und Wechselspannungssysteme |
AT275640B (de) * | 1966-05-10 | 1969-10-27 | Elin Union Ag | Masseschlußanzeige für Polradwicklungen in bürstenlos erregten Synchrongeneratoren |
DE2129458B2 (de) * | 1971-06-09 | 1973-08-30 | Einrichtung zur messung des isolationswiderstandes des laeuferkreises von buerstenlosen synchronmaschinen | |
DE2809596A1 (de) * | 1978-03-06 | 1979-09-20 | Merk Gmbh Telefonbau Fried | Schaltungsanordnung zur erfassung von erdschluessen zweiadriger meldeleitungen |
Non-Patent Citations (5)
Title |
---|
E.F. KNÜTTER u.a.: Elektron. Läüuferendschluß- schutz....., In: Siemens-Zeitschrift 46, 1972, H.12, S.906-909 * |
Kl. HENNINGER u.a.: Zweistufiger Läuferendschluß- schutz....., In: Siemens-Energietechnik 1, 1979, H.11, S.407-411 * |
M. BARTHELMES u.a.: Bürstenlose Drehstrom- Synchrongeneratoren....., In: Techn. Mitt. AEG-Telef., 63, 1973, S.5-8 * |
T. KORNAS: Rotorendschlußschutz für Synchron- maschinen...., H.10, S.468-471 * |
T. KORNAS: Wechselstrombrückenschaltung als selekt. Rotorendschluß, In: Bull. SEV, 74, 1983, S.1328-1331 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9210351U1 (de) * | 1992-07-31 | 1992-10-01 | Siemens AG, 8000 München | Einrichtung zur Läufererdschlußüberwachung |
CN102891474A (zh) * | 2012-11-02 | 2013-01-23 | 南京国电南自美卓控制系统有限公司 | 一种交、直流注入式转子一点接地保护装置及其保护方法 |
CN102891474B (zh) * | 2012-11-02 | 2016-03-30 | 南京国电南自美卓控制系统有限公司 | 一种交、直流注入式转子一点接地保护装置及其保护方法 |
CN112217348A (zh) * | 2020-09-07 | 2021-01-12 | 华能南京金陵发电有限公司 | 一种消除无刷旋转励磁发电机转子接地检测滑环电腐蚀装置及方法 |
Also Published As
Publication number | Publication date |
---|---|
DE3706932C2 (enrdf_load_stackoverflow) | 1990-04-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Schoen et al. | Evaluation and implementation of a system to eliminate arbitrary load effects in current-based monitoring of induction machines | |
Cardoso et al. | Rotor cage fault diagnosis in three-phase induction motors, by Park's vector approach | |
US6636823B1 (en) | Method and apparatus for motor fault diagnosis | |
EP2366112B1 (en) | Method and apparatus for off-line testing of multi-phase alternating current machines | |
DE112018001976T5 (de) | Stückweise schätzung von gegenspannung zur fehlererkennung in elektrischen systemen | |
US5612601A (en) | Method for assessing motor insulation on operating motors | |
Simons | Diagnostic testing of high-voltage machine insulation. A review of ten years' experience in the field | |
DE3706932A1 (de) | Erdschlussschutzeinrichtung fuer gleichrichtergespeiste, potentialfrei angeordnete erregereinrichtung von synchronmaschinen | |
KR100823723B1 (ko) | 인버터구동 교류전동기의 고정자권선 결함 진단 장치 및방법 | |
KR20190099861A (ko) | 3상 교류 돌극형 동기기의 댐퍼 바 고장 진단 시스템, 방법, 및 상기 방법을 실행시키기 위한 컴퓨터 판독 가능한 프로그램을 기록한 기록 매체 | |
Stojičić et al. | Monitoring of rotor bar faults in induction generators with full-size inverter | |
JPH0314144B2 (enrdf_load_stackoverflow) | ||
Mirzaeva et al. | Ac motor instrumentation and main air gap flux measurement for fault diagnostics | |
Malekpour et al. | Modelling and diagnostic of incipient stator inter-turn short circuit fault in induction motors | |
Rodriguez et al. | Analysis of air gap flux to detect induction motor faults | |
Boudinar et al. | Induction motor cracked rotor bars fault analysis using an improved Root-MUSIC method | |
DeWolf | Measurement of inductance of DC machines | |
Liu et al. | Stator inter-turn fault detection for the converter-fed induction motor based on the adjacent-current phase-shift | |
DE102020117906A1 (de) | Verfahren und Vorrichtung zur Schätzung des individuellen Phasenwiderstandes eines elektrischen Motors | |
Sayed-Ahmed et al. | Analysis of stator winding inter-turn short-circuit faults in induction machines for identification of the faulty phase | |
Assaf et al. | A spectral method for on‐line computation of the harmonics of symmetrical components in induction machines | |
Bacha et al. | Comparative investigation of diagnosis media of stator voltage asymmetry and rotor broken bars in induction machines | |
Szentirmai et al. | Computerised fault diagnosis of induction motor drives | |
WO2018141726A1 (de) | Verfahren zur fehlerbestimmung an einem generator und generatorprüfsystem | |
DE1051964B (de) | Vorrichtung zur Pruefung elektrischer Maschinen oder Maschinenteile, insbesondere von Elektromotoren, Generatoren od. dgl. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: TROST, JUERGEN, DIPL.-ING., 3167 BURGDORF, DE |
|
8125 | Change of the main classification |
Ipc: H02H 7/06 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8330 | Complete disclaimer |