JPH0145692B2 - - Google Patents
Info
- Publication number
- JPH0145692B2 JPH0145692B2 JP57029766A JP2976682A JPH0145692B2 JP H0145692 B2 JPH0145692 B2 JP H0145692B2 JP 57029766 A JP57029766 A JP 57029766A JP 2976682 A JP2976682 A JP 2976682A JP H0145692 B2 JPH0145692 B2 JP H0145692B2
- Authority
- JP
- Japan
- Prior art keywords
- current transformer
- zero
- phase current
- protective
- switch
- 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.)
- Expired
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
- Transformers For Measuring Instruments (AREA)
- Gas-Insulated Switchgears (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813108393 DE3108393A1 (de) | 1981-03-05 | 1981-03-05 | "schutzschalter mit von aussen zugaenglichem summenstromwandler" |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57157432A JPS57157432A (en) | 1982-09-29 |
| JPH0145692B2 true JPH0145692B2 (de) | 1989-10-04 |
Family
ID=6126424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57029766A Granted JPS57157432A (en) | 1981-03-05 | 1982-02-25 | Protecting switch |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0059890B1 (de) |
| JP (1) | JPS57157432A (de) |
| AT (1) | ATE10242T1 (de) |
| DE (1) | DE3108393A1 (de) |
| ES (1) | ES271969Y (de) |
| GR (1) | GR78226B (de) |
| ZA (1) | ZA821434B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT398141B (de) * | 1987-09-15 | 1994-09-26 | Felten & Guilleaume Ag Oester | Schaltgerätekombination |
| JPH03210726A (ja) * | 1990-01-12 | 1991-09-13 | Mitsubishi Electric Corp | 漏電警報機能付き配線用遮断器 |
| IT1313953B1 (it) * | 1999-12-16 | 2002-09-26 | Abb Ricerca Spa | Dispositivo di interruzione e protezione di un circuito dialimentazione di un carico contro i guasti verso terra. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1438003A1 (de) * | 1962-08-03 | 1969-02-13 | Licentia Gmbh | Selbstschalter,der aus einzelnen,in in sich abgeschlossenen Bauelementen,z.B. baukastenmaessig zusammengesetzt ist |
| US3761774A (en) * | 1970-03-20 | 1973-09-25 | Black & Decker Mfg Co | Ground fault protective apparatus |
| US3784940A (en) * | 1972-09-15 | 1974-01-08 | Federal Pacific Electric Co | Circuit breaker with overcurrent and auxiliary releases |
| DE2737618C3 (de) * | 1977-08-20 | 1980-03-27 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anschluß des Stromwandlers eines mit Leitungsschutzschaltern kombinierten Fehlerstromauslösers |
| DE2834327C2 (de) * | 1978-08-04 | 1983-01-13 | Heinrich Kopp Gmbh & Co Kg, 8756 Kahl | Elektrischer Vollschutzschalter |
-
1981
- 1981-03-05 DE DE19813108393 patent/DE3108393A1/de active Granted
-
1982
- 1982-02-25 EP EP82101445A patent/EP0059890B1/de not_active Expired
- 1982-02-25 JP JP57029766A patent/JPS57157432A/ja active Granted
- 1982-02-25 AT AT82101445T patent/ATE10242T1/de not_active IP Right Cessation
- 1982-03-03 GR GR67472A patent/GR78226B/el unknown
- 1982-03-04 ZA ZA821434A patent/ZA821434B/xx unknown
- 1982-03-04 ES ES1982271969U patent/ES271969Y/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0059890B1 (de) | 1984-11-07 |
| JPS57157432A (en) | 1982-09-29 |
| DE3108393A1 (de) | 1982-09-16 |
| ES271969U (es) | 1983-11-01 |
| ATE10242T1 (de) | 1984-11-15 |
| ZA821434B (en) | 1983-01-26 |
| DE3108393C2 (de) | 1989-08-10 |
| ES271969Y (es) | 1984-05-01 |
| EP0059890A1 (de) | 1982-09-15 |
| GR78226B (de) | 1984-09-26 |
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