CA1058739A - Portable ground fault circuit interrupter - Google Patents
Portable ground fault circuit interrupterInfo
- Publication number
- CA1058739A CA1058739A CA230,013A CA230013A CA1058739A CA 1058739 A CA1058739 A CA 1058739A CA 230013 A CA230013 A CA 230013A CA 1058739 A CA1058739 A CA 1058739A
- Authority
- CA
- Canada
- Prior art keywords
- ground fault
- coil
- switch
- armature
- power circuit
- 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
- 239000004020 conductor Substances 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 239000002674 ointment Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 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
-
- 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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48604574A | 1974-07-05 | 1974-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1058739A true CA1058739A (en) | 1979-07-17 |
Family
ID=23930390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA230,013A Expired CA1058739A (en) | 1974-07-05 | 1975-06-24 | Portable ground fault circuit interrupter |
Country Status (6)
| Country | Link |
|---|---|
| CA (1) | CA1058739A (enrdf_load_stackoverflow) |
| DE (1) | DE2529713A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2277429A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1521082A (enrdf_load_stackoverflow) |
| IT (1) | IT1036450B (enrdf_load_stackoverflow) |
| ZA (1) | ZA754168B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5144516A (en) * | 1991-02-04 | 1992-09-01 | Wing Shing Products Company, Ltd. | Leakage current circuit interrupter device |
| NO304860B1 (no) * | 1991-07-22 | 1999-02-22 | Pdl Holdings Ltd | Brytermekanisme |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3555360A (en) * | 1969-03-20 | 1971-01-12 | Hubbell Inc Harvey | Phase controlled ground fault circuit interrupter |
-
1975
- 1975-06-24 CA CA230,013A patent/CA1058739A/en not_active Expired
- 1975-06-30 GB GB27489/75A patent/GB1521082A/en not_active Expired
- 1975-06-30 ZA ZA00754168A patent/ZA754168B/xx unknown
- 1975-07-03 DE DE19752529713 patent/DE2529713A1/de active Granted
- 1975-07-04 IT IT68744/75A patent/IT1036450B/it active
- 1975-07-04 FR FR7521027A patent/FR2277429A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ZA754168B (en) | 1976-06-30 |
| DE2529713C2 (enrdf_load_stackoverflow) | 1987-10-22 |
| DE2529713A1 (de) | 1976-01-22 |
| FR2277429A1 (fr) | 1976-01-30 |
| FR2277429B1 (enrdf_load_stackoverflow) | 1981-05-29 |
| IT1036450B (it) | 1979-10-30 |
| GB1521082A (en) | 1978-08-09 |
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