BE739905A - - Google Patents
Info
- Publication number
- BE739905A BE739905A BE739905DA BE739905A BE 739905 A BE739905 A BE 739905A BE 739905D A BE739905D A BE 739905DA BE 739905 A BE739905 A BE 739905A
- Authority
- BE
- Belgium
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
- H02H3/34—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 of a three-phase system
-
- 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
- H02H3/08—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 excess current
- H02H3/093—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 excess current with timing means
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76558268A | 1968-10-07 | 1968-10-07 | |
| US76555268A | 1968-10-07 | 1968-10-07 | |
| US76558368A | 1968-10-07 | 1968-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE739905A true BE739905A (es) | 1970-03-16 |
Family
ID=27419612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE739905D BE739905A (es) | 1968-10-07 | 1969-10-06 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE739905A (es) |
| BR (1) | BR6913083D0 (es) |
| ES (1) | ES371934A1 (es) |
| FR (1) | FR2020078B1 (es) |
| GB (2) | GB1292143A (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2000400A (en) * | 1977-06-23 | 1979-01-04 | Matthews G | Overload protection circuit |
| US4255774A (en) * | 1979-03-16 | 1981-03-10 | General Electric Company | Static instantaneous overcurrent relay with low transient overreach |
| US4513342A (en) * | 1983-01-31 | 1985-04-23 | General Electric Company | Current-squared-time (i2 t) protection system |
| GB2140633A (en) * | 1983-04-29 | 1984-11-28 | Plessey Co Plc | Load tripping circuits |
-
1969
- 1969-09-26 ES ES371934A patent/ES371934A1/es not_active Expired
- 1969-10-06 BE BE739905D patent/BE739905A/xx unknown
- 1969-10-07 GB GB2308672A patent/GB1292143A/en not_active Expired
- 1969-10-07 FR FR6934239A patent/FR2020078B1/fr not_active Expired
- 1969-10-07 BR BR21308369A patent/BR6913083D0/pt unknown
- 1969-10-07 GB GB4609269A patent/GB1292142A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES371934A1 (es) | 1971-11-16 |
| GB1292143A (en) | 1972-10-11 |
| GB1292142A (en) | 1972-10-11 |
| FR2020078A1 (es) | 1970-07-10 |
| BR6913083D0 (pt) | 1973-01-11 |
| FR2020078B1 (es) | 1973-05-25 |