GB1509830A - Device for measuring ac in a high tension line - Google Patents
Device for measuring ac in a high tension lineInfo
- Publication number
- GB1509830A GB1509830A GB5378376A GB5378376A GB1509830A GB 1509830 A GB1509830 A GB 1509830A GB 5378376 A GB5378376 A GB 5378376A GB 5378376 A GB5378376 A GB 5378376A GB 1509830 A GB1509830 A GB 1509830A
- Authority
- GB
- United Kingdom
- Prior art keywords
- measuring
- high tension
- tension line
- current
- electricite
- 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
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/22—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
1509830 Measuring current COMPAGNIE GENERALE D'ELECTRICITE SA 23 Dec 1976 [14 Jan 1976 31 March 1976] 53783/76 Heading G1U Two light guides F1, F2, Fig. 1, connected differentially at a low potential point to eliminate common mode drift, couple current from a high potential line 2 via two LED's Dl, D2, two photoresistors R1, R2, and a differential amplifier 14, to a meter 16.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7600841A FR2338498A1 (en) | 1976-01-14 | 1976-01-14 | AC measurement in HV line - employs fibre optic conductors transmitting electroluminescent diode output to receiver |
FR7609395A FR2346724A2 (en) | 1976-03-31 | 1976-03-31 | AC measurement in HV line - employs fibre optic conductors transmitting electroluminescent diode output to receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1509830A true GB1509830A (en) | 1978-05-04 |
Family
ID=26219240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5378376A Expired GB1509830A (en) | 1976-01-14 | 1976-12-23 | Device for measuring ac in a high tension line |
Country Status (6)
Country | Link |
---|---|
CA (1) | CA1069977A (en) |
DE (1) | DE2700717A1 (en) |
DK (1) | DK144925C (en) |
GB (1) | GB1509830A (en) |
IT (1) | IT1078398B (en) |
NL (1) | NL7700292A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE414429B (en) * | 1978-10-27 | 1980-07-28 | Asea Ab | METDON WITH OPTICAL SIGNAL TRANSFER |
DE3506195A1 (en) * | 1985-02-22 | 1986-08-28 | René 5100 Aachen Baltus | Measuring circuit for detecting the power of a load |
DE10200650A1 (en) * | 2002-01-10 | 2003-05-28 | Infineon Technologies Ag | Current measurement device, e.g. for measurement of electric motor loading, has a serial measurement resistance together with a pulse width modulator, the output of which is proportional to the voltage across the resistance |
-
1976
- 1976-12-23 GB GB5378376A patent/GB1509830A/en not_active Expired
-
1977
- 1977-01-04 IT IT1901277A patent/IT1078398B/en active
- 1977-01-10 DE DE19772700717 patent/DE2700717A1/en not_active Withdrawn
- 1977-01-12 CA CA269,586A patent/CA1069977A/en not_active Expired
- 1977-01-12 NL NL7700292A patent/NL7700292A/en not_active Application Discontinuation
- 1977-01-13 DK DK12677A patent/DK144925C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK144925C (en) | 1983-01-17 |
DE2700717A1 (en) | 1977-07-21 |
DK144925B (en) | 1982-07-05 |
DK12677A (en) | 1977-07-15 |
IT1078398B (en) | 1985-05-08 |
CA1069977A (en) | 1980-01-15 |
NL7700292A (en) | 1977-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19931223 |