GB1509830A - Device for measuring ac in a high tension line - Google Patents

Device for measuring ac in a high tension line

Info

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
Application number
GB5378376A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR7600841A external-priority patent/FR2338498A1/en
Priority claimed from FR7609395A external-priority patent/FR2346724A2/en
Application filed by Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Publication of GB1509830A publication Critical patent/GB1509830A/en
Expired legal-status Critical Current

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.
GB5378376A 1976-01-14 1976-12-23 Device for measuring ac in a high tension line Expired GB1509830A (en)

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)

* Cited by examiner, † Cited by third party
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

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