AT367212B - Schaltungsanordnung zur ueberwachung des quadrats eines effektivwertes eines periodischen signals - Google Patents

Schaltungsanordnung zur ueberwachung des quadrats eines effektivwertes eines periodischen signals

Info

Publication number
AT367212B
AT367212B AT0253179A AT253179A AT367212B AT 367212 B AT367212 B AT 367212B AT 0253179 A AT0253179 A AT 0253179A AT 253179 A AT253179 A AT 253179A AT 367212 B AT367212 B AT 367212B
Authority
AT
Austria
Prior art keywords
monitoring
square
circuit arrangement
effective value
periodic signal
Prior art date
Application number
AT0253179A
Other languages
English (en)
Other versions
ATA253179A (de
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of ATA253179A publication Critical patent/ATA253179A/de
Application granted granted Critical
Publication of AT367212B publication Critical patent/AT367212B/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
    • H02H3/08—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 excess current
    • 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
    • G01R19/02—Measuring effective values, i.e. root-mean-square values
    • 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
    • G01R19/16576—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 DC or AC voltage with one threshold
    • G01R19/1658—AC voltage or recurrent signals
    • 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
    • G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Emergency Alarm Devices (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
AT0253179A 1978-04-07 1979-04-05 Schaltungsanordnung zur ueberwachung des quadrats eines effektivwertes eines periodischen signals AT367212B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2815089A DE2815089C2 (de) 1978-04-07 1978-04-07 Schaltungsanordnung zur Überwachung des Quadrats eines Effektivwertes eines periodischen Signals

Publications (2)

Publication Number Publication Date
ATA253179A ATA253179A (de) 1981-10-15
AT367212B true AT367212B (de) 1982-06-11

Family

ID=6036410

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0253179A AT367212B (de) 1978-04-07 1979-04-05 Schaltungsanordnung zur ueberwachung des quadrats eines effektivwertes eines periodischen signals

Country Status (12)

Country Link
US (1) US4242638A (de)
JP (1) JPS5554459A (de)
AT (1) AT367212B (de)
BE (1) BE875376A (de)
CA (1) CA1143443A (de)
DE (1) DE2815089C2 (de)
FR (1) FR2422169A1 (de)
GB (1) GB2018439B (de)
IN (1) IN149605B (de)
IT (1) IT1112048B (de)
NL (1) NL7902716A (de)
SE (1) SE430830B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2040052B (en) * 1978-12-09 1983-01-26 Racal Dana Instr Ltd Edectrical signal processing
US4642564A (en) * 1984-06-15 1987-02-10 Cooper Industries, Inc. Measuring circuit and method for power distribution equipment
US4835421A (en) * 1988-03-18 1989-05-30 American Telephone And Telegraph Company, At&T Bell Laboratories Squaring circuits in MOS integrated circuit technology
US7224130B2 (en) * 2005-02-04 2007-05-29 Osram Sylvania Inc. Method of operating a lamp containing a fixed phase power controller

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2314870A1 (de) * 1973-03-26 1974-10-10 Siemens Ag Anordnung zur digitalen oder analogen messung von effektivwerten oder leistungen
GB1425966A (en) * 1973-06-29 1976-02-25 Solartron Electronic Group True rms converter
JPS52150537A (en) * 1976-06-10 1977-12-14 Mitsubishi Electric Corp Step-out detector

Also Published As

Publication number Publication date
FR2422169A1 (fr) 1979-11-02
IT1112048B (it) 1986-01-13
JPS5554459A (en) 1980-04-21
IT7921531A0 (it) 1979-04-03
GB2018439A (en) 1979-10-17
GB2018439B (en) 1982-07-07
DE2815089C2 (de) 1980-01-24
BE875376A (fr) 1979-07-31
DE2815089B1 (de) 1979-06-07
ATA253179A (de) 1981-10-15
SE430830B (sv) 1983-12-12
CA1143443A (en) 1983-03-22
NL7902716A (nl) 1979-10-09
US4242638A (en) 1980-12-30
SE7903038L (sv) 1979-10-08
IN149605B (de) 1982-02-13

Similar Documents

Publication Publication Date Title
AT380141B (de) Schaltungsanordnung zur verarbeitung eines videosignals
ATA385381A (de) Speicherschaltung zur speicherung eines digitalsignals
ATA901778A (de) Schaltungsanordnung zur verbesserund der kurvenform eines farbfernsehsignals
FI803325L (fi) Signalprocessor foer hastighetsmodulering av en avsoekningsstraole
JPS5437699A (en) Circuit for eliminating sensor disturbance signal
ATA818277A (de) Vorrichtung zur beseitigung der zeitasisfehler von einem informationssignal
AT360588B (de) Schaltungsanordnung zur detektion von stoer- signalen
AT379897B (de) Einrichtung zur ueberwachung der korrosion
AT367212B (de) Schaltungsanordnung zur ueberwachung des quadrats eines effektivwertes eines periodischen signals
ATA764379A (de) Schaltungsanordnung zur verarbeitung eines farbvideosignalgemisches
AT372809B (de) Schaltungsanordnung zur automatischen entzerrung eines signals
AT382488B (de) Schaltung zur farbwert-regelung eines videosignals
AT378457B (de) Schaltungsanordnung zur kompensation der verzerrungen eines videosignals
AT373752B (de) Schaltungsanordnung zur ueberwachung des auftretens von eine vorgegebene zeitdauer ueberschreitenden signalzustaenden auf leitungen
AT376334B (de) Schaltungsanordnung zur schnellen erfassung von verschliffenen rechtecksignalen
DD135965A1 (de) Schaltungsanordnung zur ueberwachung des erregungszustandes eines mehrphasentransformators
JPS5553391A (en) Signal indicator
GB2045949B (en) Signal monitoring circuit
DK122978A (da) Signalniveauindikator
RO81786A2 (ro) Dispozitiv electronic pentru eliminarea semnalului perturbator
PL196021A1 (pl) Elektroniczny uklad do wyznaczania sredniej wartosci kwadratowej analogowego sygnalu
DD139048A1 (de) Schaltungsanordnung zur ueberwachung des einschaltzustandes mehrpoliger schuetze
SE7713605L (sv) Signalindikeringsanordning
DD130650A1 (de) Schaltungsanordnung zur schlupfueberwachung von foerderbaendern
DD139190A1 (de) Schaltungsanordnung zur ueberwachung eines akkumulators

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELA Expired due to lapse of time