AT265919B - Circuit for continuous automatic checking of the operational readiness of an electrical device - Google Patents
Circuit for continuous automatic checking of the operational readiness of an electrical deviceInfo
- Publication number
- AT265919B AT265919B AT375866A AT375866A AT265919B AT 265919 B AT265919 B AT 265919B AT 375866 A AT375866 A AT 375866A AT 375866 A AT375866 A AT 375866A AT 265919 B AT265919 B AT 265919B
- Authority
- AT
- Austria
- Prior art keywords
- circuit
- electrical device
- continuous automatic
- operational readiness
- automatic checking
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/20—Checking operation of shut-down devices
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
-
- 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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT375866A AT265919B (en) | 1966-04-21 | 1966-04-21 | Circuit for continuous automatic checking of the operational readiness of an electrical device |
DE19671613736 DE1613736A1 (en) | 1966-04-21 | 1967-04-07 | Test circuit for an electrical device, in particular a monitoring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT375866A AT265919B (en) | 1966-04-21 | 1966-04-21 | Circuit for continuous automatic checking of the operational readiness of an electrical device |
Publications (1)
Publication Number | Publication Date |
---|---|
AT265919B true AT265919B (en) | 1968-10-25 |
Family
ID=3555015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT375866A AT265919B (en) | 1966-04-21 | 1966-04-21 | Circuit for continuous automatic checking of the operational readiness of an electrical device |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT265919B (en) |
DE (1) | DE1613736A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4689570A (en) * | 1984-04-26 | 1987-08-25 | Mitsubishi Denki Kabushiki Kaisha | Digital protective relay monitoring system |
CN112735110B (en) * | 2020-12-29 | 2022-06-07 | 深圳市安室智能有限公司 | Intelligent alarm testing system, method and device |
-
1966
- 1966-04-21 AT AT375866A patent/AT265919B/en active
-
1967
- 1967-04-07 DE DE19671613736 patent/DE1613736A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1613736A1 (en) | 1970-12-03 |
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