FR2133905A1 - - Google Patents
Info
- Publication number
- FR2133905A1 FR2133905A1 FR7213826A FR7213826A FR2133905A1 FR 2133905 A1 FR2133905 A1 FR 2133905A1 FR 7213826 A FR7213826 A FR 7213826A FR 7213826 A FR7213826 A FR 7213826A FR 2133905 A1 FR2133905 A1 FR 2133905A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/32—Circuit arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
- H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU63013 | 1971-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2133905A1 true FR2133905A1 (fr) | 1972-12-01 |
Family
ID=19726681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7213826A Withdrawn FR2133905A1 (fr) | 1971-04-19 | 1972-04-19 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE782318A (fr) |
FR (1) | FR2133905A1 (fr) |
LU (1) | LU63013A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0196480A1 (fr) * | 1985-03-14 | 1986-10-08 | Sprecher Energie AG | Installation de commutation haute tension |
-
1971
- 1971-04-19 LU LU63013D patent/LU63013A1/xx unknown
-
1972
- 1972-04-19 FR FR7213826A patent/FR2133905A1/fr not_active Withdrawn
- 1972-04-19 BE BE782318A patent/BE782318A/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0196480A1 (fr) * | 1985-03-14 | 1986-10-08 | Sprecher Energie AG | Installation de commutation haute tension |
US4808910A (en) * | 1985-03-14 | 1989-02-28 | Sprecher & Schuh Ag | High voltage measurement transformer for suspension from a high voltage switching apparatus |
AU598730B2 (en) * | 1985-03-14 | 1990-07-05 | Alstom Ag | High voltage measurement transformer for suspension from a high voltage switching apparatus |
Also Published As
Publication number | Publication date |
---|---|
BE782318A (fr) | 1972-08-16 |
LU63013A1 (fr) | 1972-12-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |