FR428636A - Power line earthing indicator - Google Patents
Power line earthing indicatorInfo
- Publication number
- FR428636A FR428636A FR428636A FR428636DA FR428636A FR 428636 A FR428636 A FR 428636A FR 428636 A FR428636 A FR 428636A FR 428636D A FR428636D A FR 428636DA FR 428636 A FR428636 A FR 428636A
- Authority
- FR
- France
- Prior art keywords
- indicator
- power line
- line earthing
- earthing
- power
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Relating To Insulation (AREA)
- Emergency Protection Circuit Devices (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH52620T | 1910-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR428636A true FR428636A (en) | 1911-09-04 |
Family
ID=4290645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR428636A Expired FR428636A (en) | 1910-04-21 | 1911-04-18 | Power line earthing indicator |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT57125B (en) |
CH (1) | CH52620A (en) |
FR (1) | FR428636A (en) |
GB (1) | GB191109745A (en) |
-
1910
- 1910-04-21 CH CH52620A patent/CH52620A/fr unknown
-
1911
- 1911-04-18 AT AT57125D patent/AT57125B/en active
- 1911-04-18 FR FR428636A patent/FR428636A/en not_active Expired
- 1911-04-21 GB GB191109745D patent/GB191109745A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT57125B (en) | 1913-01-10 |
GB191109745A (en) | 1911-10-05 |
CH52620A (en) | 1900-01-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR428636A (en) | Power line earthing indicator | |
FR483675A (en) | Earthing indicator for power lines | |
CH54352A (en) | Electric meter | |
FR413740A (en) | Electric meter | |
FR415002A (en) | Short-circuit indicator | |
FR421561A (en) | Advanced pipe screw connection | |
FR16806E (en) | Screw falset | |
FR15568E (en) | Tilt indicator | |
FR423195A (en) | Improvements in the manufacture of chairs for tram line gutters with underground electrical outlet | |
FR430604A (en) | Time switch | |
FR414658A (en) | Clockwork current distributor | |
FR424054A (en) | Composition intended for use as an electrical insulator or for other commercial uses | |
FR419876A (en) | Electric burglar alarm | |
FR422073A (en) | Method of construction of coils of electrical devices | |
FR478610A (en) | Coupling mode for direct current installations | |
FR414870A (en) | Electric fire alarm | |
FR419958A (en) | Electric alarm clock | |
FR421297A (en) | Liquid meter | |
FR415446A (en) | Electricity mercury meter | |
CA131873A (en) | Electric meter | |
CA142499A (en) | Electric meter | |
FR428072A (en) | Electric wave detector | |
FR418133A (en) | Remote electrically controlled faucet | |
FR478310A (en) | Double insulator | |
CH70204A (en) | Double insulator |