BE638540A - - Google Patents
Info
- Publication number
- BE638540A BE638540A BE638540DA BE638540A BE 638540 A BE638540 A BE 638540A BE 638540D A BE638540D A BE 638540DA BE 638540 A BE638540 A BE 638540A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/005—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too low isolation resistance, too high load, short-circuit; earth fault
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- 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
- H02H3/162—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 for ac systems
- H02H3/165—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 for ac systems for three-phase systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR912199A FR1343762A (fr) | 1962-10-13 | 1962-10-13 | Procédé et dispositif perfectionnés de surveillance de l'isolement à la terre des réseaux électriques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE638540A true BE638540A (US20030220297A1-20031127-C00033.png) |
Family
ID=8788676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE638540D BE638540A (US20030220297A1-20031127-C00033.png) | 1962-10-13 |
Country Status (6)
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3419756A (en) * | 1966-03-11 | 1968-12-31 | Gen Signal Corp | Ground fault responsive system for electric power distribution apparatus |
| US3424958A (en) * | 1966-03-31 | 1969-01-28 | Thomas A Groat | Apparatus and method for simulating electrical fault conditions in a protective relay system |
| US4091431A (en) * | 1967-02-13 | 1978-05-23 | Harbey Hubbell, Incorporated | Ground leakage relay circuit |
| US3525019A (en) * | 1967-07-20 | 1970-08-18 | John Lansch | Power protection apparatus |
| US3654515A (en) * | 1969-06-26 | 1972-04-04 | Chubu Seiki Kk | Leakage current interrupting apparatus |
| US3579038A (en) * | 1969-08-14 | 1971-05-18 | Square D Co | Electrical fault protection system |
| US3611038A (en) * | 1969-09-08 | 1971-10-05 | Purex Corp Ltd | Ground fault and high current responsive circuit breaker utilizing amplified signals |
| US3611037A (en) * | 1970-06-24 | 1971-10-05 | Westinghouse Electric Corp | Ground fault protective device |
| US3700966A (en) * | 1971-05-19 | 1972-10-24 | Paul Morrow | Monitoring circuit for detecting leakage currents |
| FR2299750A1 (fr) * | 1975-01-31 | 1976-08-27 | Vitte Jacky | Dispositif de securite pour la |
| US4159501A (en) * | 1975-03-27 | 1979-06-26 | Kerr-Mcgee Nuclear Corporation | Method and apparatus for indicating the leakage resistance in an electrical system |
| JPS53103550A (en) * | 1977-02-23 | 1978-09-08 | Toshiba Corp | Protective device for earthed field windings of alternator |
| US4156884A (en) * | 1977-11-07 | 1979-05-29 | General Electric Company | Ground fault protection system for industrial power circuits |
| FR2415894B2 (fr) * | 1978-01-26 | 1986-01-17 | Parrier Andre | Dispositif de securite pour la detection d'un defaut d'isolation electrique entre deux fils du circuit d'alimentation d'une machine |
| FR2447627A1 (fr) * | 1979-01-25 | 1980-08-22 | Sfec | Dispositif de securite pour la detection d'un defaut d'isolement electrique |
| US4532568A (en) * | 1983-01-28 | 1985-07-30 | Kraus Sr Arthur A | Three-phase leakage protection by electronic control |
| US4580186A (en) * | 1983-07-15 | 1986-04-01 | Parker Douglas F | Grounding and ground fault detection circuits |
| US4542433A (en) * | 1983-09-01 | 1985-09-17 | Sperry Corporation | Missing phase detector |
| GB8817599D0 (en) * | 1988-07-23 | 1988-09-01 | Lucas Ind Plc | A c generator fault detector |
| US5126658A (en) * | 1991-01-22 | 1992-06-30 | Westinghouse Electric Corp. | Generator rotor winding ground detection |
| EP2331977B1 (en) * | 2008-09-26 | 2020-09-30 | Volvo Lastvagnar AB | Method for monitoring insulation faults in an electric network and vehicle comprising an insulation fault monitor |
| CN107147096B (zh) * | 2017-07-06 | 2018-07-03 | 长沙理工大学 | 非有效接地系统接地故障相主动降压安全处理方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB845308A (en) * | 1957-07-06 | 1960-08-17 | Harold Townley Baldwin | Improvements in earth leakage protection systems for electrical motors, cables and other apparatus |
| US3072895A (en) * | 1958-08-13 | 1963-01-08 | Bruce A Kaufman | Voltage limit comparator |
| US3098999A (en) * | 1958-12-11 | 1963-07-23 | Ibm | Voltage monitor system |
| US3155879A (en) * | 1960-12-07 | 1964-11-03 | Gen Electric | Tripping arrangement for an electric circuit breaker |
| BE625300A (US20030220297A1-20031127-C00033.png) * | 1961-11-28 |
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0
- BE BE638540D patent/BE638540A/xx unknown
-
1962
- 1962-10-13 FR FR912199A patent/FR1343762A/fr not_active Expired
-
1963
- 1963-10-08 US US314748A patent/US3286129A/en not_active Expired - Lifetime
- 1963-10-10 NL NL299045A patent/NL299045A/xx unknown
- 1963-10-11 GB GB40280/63A patent/GB1066854A/en not_active Expired
- 1963-10-14 AT AT821663A patent/AT246830B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1066854A (en) | 1967-04-26 |
| AT246830B (de) | 1966-05-10 |
| FR1343762A (fr) | 1963-11-22 |
| NL299045A (US20030220297A1-20031127-C00033.png) | 1965-08-10 |
| US3286129A (en) | 1966-11-15 |
