CH413060A - Three-phase undervoltage relay - Google Patents
Three-phase undervoltage relayInfo
- Publication number
- CH413060A CH413060A CH388065A CH388065A CH413060A CH 413060 A CH413060 A CH 413060A CH 388065 A CH388065 A CH 388065A CH 388065 A CH388065 A CH 388065A CH 413060 A CH413060 A CH 413060A
- Authority
- CH
- Switzerland
- Prior art keywords
- undervoltage relay
- phase undervoltage
- phase
- relay
- undervoltage
- Prior art date
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
- H02H3/343—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 using phase sequence analysers
-
- 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
- H02H3/24—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 undervoltage or no-voltage
- H02H3/253—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 undervoltage or no-voltage for multiphase applications, e.g. phase interruption
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR973367A FR1403698A (en) | 1964-05-05 | 1964-05-05 | Three-phase undervoltage relay |
Publications (1)
Publication Number | Publication Date |
---|---|
CH413060A true CH413060A (en) | 1966-05-15 |
Family
ID=8829327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH388065A CH413060A (en) | 1964-05-05 | 1965-03-19 | Three-phase undervoltage relay |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE660971A (en) |
CH (1) | CH413060A (en) |
FR (1) | FR1403698A (en) |
GB (1) | GB1100633A (en) |
-
1964
- 1964-05-05 FR FR973367A patent/FR1403698A/en not_active Expired
-
1965
- 1965-03-11 BE BE660971D patent/BE660971A/xx unknown
- 1965-03-19 CH CH388065A patent/CH413060A/en unknown
- 1965-05-05 GB GB1896565A patent/GB1100633A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1463039B2 (en) | 1972-12-28 |
DE1463039A1 (en) | 1969-03-27 |
GB1100633A (en) | 1968-01-24 |
BE660971A (en) | 1965-09-13 |
FR1403698A (en) | 1965-06-25 |
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