JPS4744050A - - Google Patents
Info
- Publication number
- JPS4744050A JPS4744050A JP4451472A JP4451472A JPS4744050A JP S4744050 A JPS4744050 A JP S4744050A JP 4451472 A JP4451472 A JP 4451472A JP 4451472 A JP4451472 A JP 4451472A JP S4744050 A JPS4744050 A JP S4744050A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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
- H02H3/26—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
- H02H3/331—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 responsive to earthing of the neutral conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Protection Of Transformers (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Manufacture Of Motors, Generators (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14129771A | 1971-05-07 | 1971-05-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4744050A true JPS4744050A (US20030220297A1-20031127-C00074.png) | 1972-12-21 |
| JPS538899B1 JPS538899B1 (US20030220297A1-20031127-C00074.png) | 1978-04-01 |
Family
ID=22495075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4451472A Pending JPS538899B1 (US20030220297A1-20031127-C00074.png) | 1971-05-07 | 1972-05-04 |
Country Status (7)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51129638A (en) * | 1975-04-22 | 1976-11-11 | Rca Corp | Ground fault detection system |
| JPS55127827A (en) * | 1979-03-26 | 1980-10-03 | Matsushita Electric Works Ltd | Leakage breaker |
| JPS63124132U (US20030220297A1-20031127-C00074.png) * | 1987-02-03 | 1988-08-12 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3953766A (en) * | 1974-09-16 | 1976-04-27 | General Electric Company | Ground fault circuit interrupter and electronic module therefor |
| US4114089A (en) * | 1975-03-21 | 1978-09-12 | Rca Corporation | Ground fault detecting apparatus including current-responsive threshold detection circuitry |
| US3973171A (en) * | 1975-05-19 | 1976-08-03 | General Electric Company | Ground fault circuit interrupting device with grounded neutral detection |
| CA1101533A (en) * | 1976-04-08 | 1981-05-19 | Raymond H. Legatti | Ground fault system with noise immunity |
| US4263637A (en) * | 1976-04-08 | 1981-04-21 | Square D Company | Ground fault receptacle |
| US4393431A (en) * | 1980-04-23 | 1983-07-12 | Mcgraw-Edison Company | Overcurrent relay circuit |
| US4348709A (en) * | 1980-12-15 | 1982-09-07 | Mauk Ernest R | Electronic load protection circuit |
| EP0116105A1 (en) * | 1983-02-11 | 1984-08-22 | Claude Sa | Domestic power line breaker |
| US6814611B1 (en) | 2003-04-14 | 2004-11-09 | Henoc T. Torres | Power surge protectorant electrical outlet assembly |
| US7656134B2 (en) * | 2006-06-29 | 2010-02-02 | Lybbert Justin B | B-plus patch and voltage transient spike suppressor for an automotive voltage regulator |
| US7876539B2 (en) * | 2006-10-23 | 2011-01-25 | Pentair Pump Group, Inc. | Electrical apparatus with current dampening device |
| US8018235B2 (en) * | 2006-11-02 | 2011-09-13 | Texas Instruments Incorporated | Methods and apparatus to facilitate ground fault detection with a single coil and an oscillator |
| US9360507B2 (en) * | 2011-12-19 | 2016-06-07 | Tyco Safety Products Canada Ltd. | Displacement tamper sensor and method |
| US10054965B2 (en) * | 2015-08-06 | 2018-08-21 | Honeywell International Inc. | Analog/digital input architecture having programmable analog output mode |
| FR3118334B1 (fr) * | 2020-12-18 | 2022-12-23 | Legrand France | Appareil électrique de protection d’une installation électrique en courant alternatif |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE625173A (US20030220297A1-20031127-C00074.png) * | 1962-11-22 | |||
| US3259803A (en) * | 1962-11-29 | 1966-07-05 | Itt | Electronic circuit breakers |
| US3213321A (en) * | 1963-05-31 | 1965-10-19 | Charles F Dalziel | Miniature differential circuit breaker |
| US3392352A (en) * | 1965-12-28 | 1968-07-09 | Dickson Electronics Corp | Time delay circuit |
| GB1152793A (en) * | 1966-03-11 | 1969-05-21 | Fuchs Electrical Ind Proprieta | Improvements in and relating to Earth Leakage Protection Devices |
| US3407337A (en) * | 1966-11-15 | 1968-10-22 | Purex Corp Ltd | Leak detector for swimming pool lights and the like |
| US3505566A (en) * | 1967-08-02 | 1970-04-07 | Ite Imperial Corp | Ground relay system |
| US3506906A (en) * | 1967-12-18 | 1970-04-14 | Rucker Co | Ground fault circuit interrupter with inadvertent ground sensor |
| FR1593690A (US20030220297A1-20031127-C00074.png) * | 1968-11-27 | 1970-06-01 | ||
| US3566189A (en) * | 1969-03-18 | 1971-02-23 | Airpax Electronics | Circuit breaker with loosely coupled deenergizing means for high overload currents |
| US3558980A (en) * | 1969-05-29 | 1971-01-26 | Flo Root Inc | Automatic ground fault circuit interrupter |
| US3611035A (en) * | 1970-06-08 | 1971-10-05 | Rucker Co | Ground fault protective system having grounded neutral protection |
-
1972
- 1972-04-19 CA CA140,046A patent/CA1005897A/en not_active Expired
- 1972-04-24 ZA ZA722740A patent/ZA722740B/xx unknown
- 1972-04-25 GB GB1704474A patent/GB1397415A/en not_active Expired
- 1972-04-25 GB GB1919872A patent/GB1397414A/en not_active Expired
- 1972-05-04 JP JP4451472A patent/JPS538899B1/ja active Pending
- 1972-05-05 IT IT23970/72A patent/IT954999B/it active
- 1972-05-05 FR FR7216244A patent/FR2137591B1/fr not_active Expired
-
1973
- 1973-03-12 US US00340169A patent/US3836821A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51129638A (en) * | 1975-04-22 | 1976-11-11 | Rca Corp | Ground fault detection system |
| JPS55127827A (en) * | 1979-03-26 | 1980-10-03 | Matsushita Electric Works Ltd | Leakage breaker |
| JPS63124132U (US20030220297A1-20031127-C00074.png) * | 1987-02-03 | 1988-08-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2137591A1 (US20030220297A1-20031127-C00074.png) | 1972-12-29 |
| FR2137591B1 (US20030220297A1-20031127-C00074.png) | 1975-08-29 |
| JPS538899B1 (US20030220297A1-20031127-C00074.png) | 1978-04-01 |
| US3836821A (en) | 1974-09-17 |
| GB1397414A (en) | 1975-06-11 |
| GB1397415A (en) | 1975-06-11 |
| CA1005897A (en) | 1977-02-22 |
| IT954999B (it) | 1973-09-15 |
| ZA722740B (en) | 1973-01-31 |
