CH383494A - Elektrischer Quotientenmesser, insbesondere für Schutzeinrichtungen - Google Patents

Elektrischer Quotientenmesser, insbesondere für Schutzeinrichtungen

Info

Publication number
CH383494A
CH383494A CH1190260A CH1190260A CH383494A CH 383494 A CH383494 A CH 383494A CH 1190260 A CH1190260 A CH 1190260A CH 1190260 A CH1190260 A CH 1190260A CH 383494 A CH383494 A CH 383494A
Authority
CH
Switzerland
Prior art keywords
protective devices
electrical
quotient meter
meter
electrical quotient
Prior art date
Application number
CH1190260A
Other languages
English (en)
Inventor
Helmut Dipl Ing Ungrad
Buzay Karl Dipl-Ing Von
Original Assignee
Bbc Brown Boveri & Cie
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 to NL268786D priority Critical patent/NL268786A/xx
Application filed by Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Priority to CH1190260A priority patent/CH383494A/de
Priority to GB3785761A priority patent/GB932704A/en
Priority to BE609464A priority patent/BE609464A/fr
Priority to FR876727A priority patent/FR1304343A/fr
Publication of CH383494A publication Critical patent/CH383494A/de

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)
  • Measurement Of Resistance Or Impedance (AREA)
CH1190260A 1960-10-25 1960-10-25 Elektrischer Quotientenmesser, insbesondere für Schutzeinrichtungen CH383494A (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL268786D NL268786A (de) 1960-10-25
CH1190260A CH383494A (de) 1960-10-25 1960-10-25 Elektrischer Quotientenmesser, insbesondere für Schutzeinrichtungen
GB3785761A GB932704A (en) 1960-10-25 1961-10-23 Apparatus for measuring the quotient of two electrical quantities
BE609464A BE609464A (fr) 1960-10-25 1961-10-23 Quotientmètre, en particulier pour dispositif de protection
FR876727A FR1304343A (fr) 1960-10-25 1961-10-23 Quotientmètre, en particulier pour dispositifs de protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1190260A CH383494A (de) 1960-10-25 1960-10-25 Elektrischer Quotientenmesser, insbesondere für Schutzeinrichtungen

Publications (1)

Publication Number Publication Date
CH383494A true CH383494A (de) 1964-10-31

Family

ID=4378000

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1190260A CH383494A (de) 1960-10-25 1960-10-25 Elektrischer Quotientenmesser, insbesondere für Schutzeinrichtungen

Country Status (4)

Country Link
BE (1) BE609464A (de)
CH (1) CH383494A (de)
GB (1) GB932704A (de)
NL (1) NL268786A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3654424A (en) * 1970-03-23 1972-04-04 Robotron Corp Quotient circuit
NO342173B1 (en) * 2016-12-15 2018-04-09 Wirescan As Method for measuring an impedance of an electric cable, a coupler arrangement and uses thereof

Also Published As

Publication number Publication date
NL268786A (de)
GB932704A (en) 1963-07-31
BE609464A (fr) 1962-02-15

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