FR2496272A1 - Mains current threshold detecting circuit - uses transformer link to mains wire to detect excess current and operate relay to control meter or warning device - Google Patents

Mains current threshold detecting circuit - uses transformer link to mains wire to detect excess current and operate relay to control meter or warning device Download PDF

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Publication number
FR2496272A1
FR2496272A1 FR8026857A FR8026857A FR2496272A1 FR 2496272 A1 FR2496272 A1 FR 2496272A1 FR 8026857 A FR8026857 A FR 8026857A FR 8026857 A FR8026857 A FR 8026857A FR 2496272 A1 FR2496272 A1 FR 2496272A1
Authority
FR
France
Prior art keywords
current
threshold
mains
relay
current transformer
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
FR8026857A
Other languages
English (en)
French (fr)
Other versions
FR2496272B1 (Direct
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.)
Electricite de Strasbourg SA
Original Assignee
Electricite de Strasbourg 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
Application filed by Electricite de Strasbourg SA filed Critical Electricite de Strasbourg SA
Priority to FR8026857A priority Critical patent/FR2496272A1/fr
Publication of FR2496272A1 publication Critical patent/FR2496272A1/fr
Application granted granted Critical
Publication of FR2496272B1 publication Critical patent/FR2496272B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/56—Special tariff meters
    • G01R11/63—Over-consumption meters, e.g. measuring consumption while a predetermined level of power is exceeded
    • 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
    • G01R21/1333—Arrangements for measuring electric power or power factor by using digital technique adapted for special tariff measuring
    • G01R21/1336—Measuring overconsumption

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
FR8026857A 1980-12-15 1980-12-15 Mains current threshold detecting circuit - uses transformer link to mains wire to detect excess current and operate relay to control meter or warning device Granted FR2496272A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8026857A FR2496272A1 (en) 1980-12-15 1980-12-15 Mains current threshold detecting circuit - uses transformer link to mains wire to detect excess current and operate relay to control meter or warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8026857A FR2496272A1 (en) 1980-12-15 1980-12-15 Mains current threshold detecting circuit - uses transformer link to mains wire to detect excess current and operate relay to control meter or warning device

Publications (2)

Publication Number Publication Date
FR2496272A1 true FR2496272A1 (en) 1982-06-18
FR2496272B1 FR2496272B1 (Direct) 1984-09-14

Family

ID=9249215

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8026857A Granted FR2496272A1 (en) 1980-12-15 1980-12-15 Mains current threshold detecting circuit - uses transformer link to mains wire to detect excess current and operate relay to control meter or warning device

Country Status (1)

Country Link
FR (1) FR2496272A1 (Direct)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439404A1 (fr) * 1978-10-20 1980-05-16 Gardy Sa Indicateur de surcharge, notamment pour transformateur protege par disjoncteur

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439404A1 (fr) * 1978-10-20 1980-05-16 Gardy Sa Indicateur de surcharge, notamment pour transformateur protege par disjoncteur

Also Published As

Publication number Publication date
FR2496272B1 (Direct) 1984-09-14

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)

Free format text: 24/82

ST Notification of lapse