ES442019A1 - Un sistema para controlar corrientes electricas que exceden de un valor limite. - Google Patents

Un sistema para controlar corrientes electricas que exceden de un valor limite.

Info

Publication number
ES442019A1
ES442019A1 ES442019A ES442019A ES442019A1 ES 442019 A1 ES442019 A1 ES 442019A1 ES 442019 A ES442019 A ES 442019A ES 442019 A ES442019 A ES 442019A ES 442019 A1 ES442019 A1 ES 442019A1
Authority
ES
Spain
Prior art keywords
exceed
translation
machine
limit value
legally binding
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
ES442019A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana 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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES442019A1 publication Critical patent/ES442019A1/es
Expired 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
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies
    • 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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Of Eletrric Generators (AREA)
  • Amplifiers (AREA)
ES442019A 1974-10-23 1975-10-23 Un sistema para controlar corrientes electricas que exceden de un valor limite. Expired ES442019A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7435539A FR2288984A1 (fr) 1974-10-23 1974-10-23 Systeme de test de courant electrique

Publications (1)

Publication Number Publication Date
ES442019A1 true ES442019A1 (es) 1977-07-01

Family

ID=9144379

Family Applications (1)

Application Number Title Priority Date Filing Date
ES442019A Expired ES442019A1 (es) 1974-10-23 1975-10-23 Un sistema para controlar corrientes electricas que exceden de un valor limite.

Country Status (3)

Country Link
BR (1) BR7506790A (es)
ES (1) ES442019A1 (es)
FR (1) FR2288984A1 (es)

Also Published As

Publication number Publication date
FR2288984B1 (es) 1979-02-16
FR2288984A1 (fr) 1976-05-21
BR7506790A (pt) 1976-08-17

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970701