FR1403148A - Electrical circuit device for detecting variations in the capacitance of a capacitive circuit - Google Patents

Electrical circuit device for detecting variations in the capacitance of a capacitive circuit

Info

Publication number
FR1403148A
FR1403148A FR977020A FR977020A FR1403148A FR 1403148 A FR1403148 A FR 1403148A FR 977020 A FR977020 A FR 977020A FR 977020 A FR977020 A FR 977020A FR 1403148 A FR1403148 A FR 1403148A
Authority
FR
France
Prior art keywords
capacitance
detecting variations
capacitive
circuit device
electrical circuit
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
FR977020A
Other languages
French (fr)
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.)
English Co Ltd
Original Assignee
English Co Ltd
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 GB22459/63A external-priority patent/GB1090292A/en
Application filed by English Co Ltd filed Critical English Co Ltd
Priority to FR977020A priority Critical patent/FR1403148A/en
Application granted granted Critical
Publication of FR1403148A publication Critical patent/FR1403148A/en
Expired legal-status Critical Current

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
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/16—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for capacitors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR977020A 1963-06-05 1964-06-04 Electrical circuit device for detecting variations in the capacitance of a capacitive circuit Expired FR1403148A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR977020A FR1403148A (en) 1963-06-05 1964-06-04 Electrical circuit device for detecting variations in the capacitance of a capacitive circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB22459/63A GB1090292A (en) 1963-06-05 1963-06-05 Circuit arrangement for detecting capacitance changes in capacitor banks in high voltage transmission systems
FR977020A FR1403148A (en) 1963-06-05 1964-06-04 Electrical circuit device for detecting variations in the capacitance of a capacitive circuit

Publications (1)

Publication Number Publication Date
FR1403148A true FR1403148A (en) 1965-06-18

Family

ID=26208083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR977020A Expired FR1403148A (en) 1963-06-05 1964-06-04 Electrical circuit device for detecting variations in the capacitance of a capacitive circuit

Country Status (1)

Country Link
FR (1) FR1403148A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2098246A1 (en) * 1970-07-08 1972-03-10 Tokyo Shibaura Electric Co
EP0040765A1 (en) * 1980-05-27 1981-12-02 Siemens Aktiengesellschaft Monitoring device for a capacitor bank of an alternating current network
EP0040768A1 (en) * 1980-05-27 1981-12-02 Siemens Aktiengesellschaft Monitoring device for an LC filter circuit of an alternating current network
EP0040766A1 (en) * 1980-05-27 1981-12-02 Siemens Aktiengesellschaft Monitoring device for capacitor banks of a three-phase filter circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2098246A1 (en) * 1970-07-08 1972-03-10 Tokyo Shibaura Electric Co
EP0040765A1 (en) * 1980-05-27 1981-12-02 Siemens Aktiengesellschaft Monitoring device for a capacitor bank of an alternating current network
EP0040768A1 (en) * 1980-05-27 1981-12-02 Siemens Aktiengesellschaft Monitoring device for an LC filter circuit of an alternating current network
EP0040766A1 (en) * 1980-05-27 1981-12-02 Siemens Aktiengesellschaft Monitoring device for capacitor banks of a three-phase filter circuit

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