CA1016262A - Ground fault interrupter apparatus with means protecting against a grounded neutral condition - Google Patents
Ground fault interrupter apparatus with means protecting against a grounded neutral conditionInfo
- Publication number
- CA1016262A CA1016262A CA159,930A CA159930A CA1016262A CA 1016262 A CA1016262 A CA 1016262A CA 159930 A CA159930 A CA 159930A CA 1016262 A CA1016262 A CA 1016262A
- Authority
- CA
- Canada
- Prior art keywords
- ground fault
- protecting against
- neutral condition
- fault interrupter
- grounded neutral
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21877172A | 1972-01-18 | 1972-01-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1016262A true CA1016262A (en) | 1977-08-23 |
Family
ID=22816443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA159,930A Expired CA1016262A (en) | 1972-01-18 | 1972-12-27 | Ground fault interrupter apparatus with means protecting against a grounded neutral condition |
Country Status (5)
Country | Link |
---|---|
JP (2) | JPS4886050A (ja) |
AT (1) | AT318051B (ja) |
CA (1) | CA1016262A (ja) |
DE (1) | DE2301757A1 (ja) |
ZA (1) | ZA728755B (ja) |
-
1972
- 1972-12-12 ZA ZA728755A patent/ZA728755B/xx unknown
- 1972-12-27 CA CA159,930A patent/CA1016262A/en not_active Expired
-
1973
- 1973-01-15 DE DE2301757A patent/DE2301757A1/de not_active Withdrawn
- 1973-01-18 AT AT38373A patent/AT318051B/de not_active IP Right Cessation
- 1973-01-18 JP JP48007445A patent/JPS4886050A/ja active Pending
-
1978
- 1978-03-20 JP JP1978034806U patent/JPS53135539U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU5005272A (en) | 1974-06-20 |
AT318051B (de) | 1974-09-25 |
DE2301757A1 (de) | 1973-07-26 |
JPS53135539U (ja) | 1978-10-26 |
ZA728755B (en) | 1973-08-29 |
JPS4886050A (ja) | 1973-11-14 |
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