FR2261533A1 - Static meter calibrated with direct current - has voltage test circuit and current test circuit with inverting amplifier - Google Patents

Static meter calibrated with direct current - has voltage test circuit and current test circuit with inverting amplifier

Info

Publication number
FR2261533A1
FR2261533A1 FR7504843A FR7504843A FR2261533A1 FR 2261533 A1 FR2261533 A1 FR 2261533A1 FR 7504843 A FR7504843 A FR 7504843A FR 7504843 A FR7504843 A FR 7504843A FR 2261533 A1 FR2261533 A1 FR 2261533A1
Authority
FR
France
Prior art keywords
current
test circuit
inverting amplifier
voltage
direct current
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.)
Granted
Application number
FR7504843A
Other languages
English (en)
French (fr)
Other versions
FR2261533B1 (pt-PT
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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
Application filed by Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of FR2261533A1 publication Critical patent/FR2261533A1/fr
Application granted granted Critical
Publication of FR2261533B1 publication Critical patent/FR2261533B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
FR7504843A 1974-02-19 1975-02-17 Static meter calibrated with direct current - has voltage test circuit and current test circuit with inverting amplifier Granted FR2261533A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH230174A CH569288A5 (pt-PT) 1974-02-19 1974-02-19

Publications (2)

Publication Number Publication Date
FR2261533A1 true FR2261533A1 (en) 1975-09-12
FR2261533B1 FR2261533B1 (pt-PT) 1981-08-07

Family

ID=4230587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7504843A Granted FR2261533A1 (en) 1974-02-19 1975-02-17 Static meter calibrated with direct current - has voltage test circuit and current test circuit with inverting amplifier

Country Status (2)

Country Link
CH (1) CH569288A5 (pt-PT)
FR (1) FR2261533A1 (pt-PT)

Also Published As

Publication number Publication date
DE2416330A1 (pt-PT) 1975-07-24
CH569288A5 (pt-PT) 1975-11-14
DE2416330B1 (de) 1975-07-24
FR2261533B1 (pt-PT) 1981-08-07

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Legal Events

Date Code Title Description
CD Change of name or company name
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse