FR1304343A - Quotientmètre, en particulier pour dispositifs de protection - Google Patents

Quotientmètre, en particulier pour dispositifs de protection

Info

Publication number
FR1304343A
FR1304343A FR876727A FR876727A FR1304343A FR 1304343 A FR1304343 A FR 1304343A FR 876727 A FR876727 A FR 876727A FR 876727 A FR876727 A FR 876727A FR 1304343 A FR1304343 A FR 1304343A
Authority
FR
France
Prior art keywords
quotientmeter
protective devices
protective
devices
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
FR876727A
Other languages
English (en)
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.)
BROWN
BBC Brown Boveri AG Germany
Original Assignee
BROWN
Brown Boveri und Cie AG Germany
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 CH1190260A external-priority patent/CH383494A/de
Application filed by BROWN, Brown Boveri und Cie AG Germany filed Critical BROWN
Priority to FR876727A priority Critical patent/FR1304343A/fr
Application granted granted Critical
Publication of FR1304343A publication Critical patent/FR1304343A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/40—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to ratio of voltage and current
    • 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
    • G01R27/08—Measuring resistance by measuring both voltage and current
    • G01R27/10—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient
    • G01R27/12—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient using hand generators, e.g. meggers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
FR876727A 1960-10-25 1961-10-23 Quotientmètre, en particulier pour dispositifs de protection Expired FR1304343A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR876727A FR1304343A (fr) 1960-10-25 1961-10-23 Quotientmètre, en particulier pour dispositifs de protection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1190260A CH383494A (de) 1960-10-25 1960-10-25 Elektrischer Quotientenmesser, insbesondere für Schutzeinrichtungen
FR876727A FR1304343A (fr) 1960-10-25 1961-10-23 Quotientmètre, en particulier pour dispositifs de protection

Publications (1)

Publication Number Publication Date
FR1304343A true FR1304343A (fr) 1962-09-21

Family

ID=25709141

Family Applications (1)

Application Number Title Priority Date Filing Date
FR876727A Expired FR1304343A (fr) 1960-10-25 1961-10-23 Quotientmètre, en particulier pour dispositifs de protection

Country Status (1)

Country Link
FR (1) FR1304343A (fr)

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