ZA761086B - An improvement in or relating to multipole ground fault circuit interrupter with grounded neutral protection - Google Patents
An improvement in or relating to multipole ground fault circuit interrupter with grounded neutral protectionInfo
- Publication number
- ZA761086B ZA761086B ZA761086A ZA761086A ZA761086B ZA 761086 B ZA761086 B ZA 761086B ZA 761086 A ZA761086 A ZA 761086A ZA 761086 A ZA761086 A ZA 761086A ZA 761086 B ZA761086 B ZA 761086B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- improvement
- ground fault
- circuit interrupter
- fault circuit
- Prior art date
Links
- 230000005405 multipole Effects 0.000 title 1
- 230000007935 neutral effect Effects 0.000 title 1
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)
- Protection Of Transformers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55861875A | 1975-03-14 | 1975-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA761086B true ZA761086B (en) | 1977-02-23 |
Family
ID=24230266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA761086A ZA761086B (en) | 1975-03-14 | 1976-02-24 | An improvement in or relating to multipole ground fault circuit interrupter with grounded neutral protection |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS51114650A (cs) |
| AU (1) | AU501986B2 (cs) |
| CA (1) | CA1065960A (cs) |
| GB (1) | GB1531933A (cs) |
| IT (1) | IT1057577B (cs) |
| ZA (1) | ZA761086B (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5524071A (en) * | 1978-08-11 | 1980-02-20 | Matsushita Electric Industrial Co Ltd | Drainboard with tableware dryer |
| GB2077531B (en) * | 1980-06-04 | 1983-06-08 | Evans Jacob Donald | Fault detection in n-phase system |
-
1976
- 1976-02-24 ZA ZA761086A patent/ZA761086B/xx unknown
- 1976-02-25 GB GB7383/76A patent/GB1531933A/en not_active Expired
- 1976-02-26 AU AU11445/76A patent/AU501986B2/en not_active Expired
- 1976-03-02 CA CA246,961A patent/CA1065960A/en not_active Expired
- 1976-03-09 JP JP51024727A patent/JPS51114650A/ja active Granted
- 1976-03-12 IT IT21183/76A patent/IT1057577B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| CA1065960A (en) | 1979-11-06 |
| GB1531933A (en) | 1978-11-15 |
| JPS51114650A (en) | 1976-10-08 |
| AU1144576A (en) | 1977-09-01 |
| AU501986B2 (en) | 1979-07-12 |
| IT1057577B (it) | 1982-03-30 |
| JPS5512815B2 (cs) | 1980-04-04 |
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