Electromechanical arrangements for measuring time integral of electric power i.e. electric energy or current

Industry

  • CPC
  • G01R11/00
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Sub Industries

G01R11/02Constructional details G01R11/04Housings Supporting racks Arrangements of terminals G01R11/06Magnetic circuits of induction meters G01R11/067Coils therefor G01R11/073Armatures therefor G01R11/09Disc armatures G01R11/10Braking magnets Damping arrangements G01R11/12Arrangements of bearings G01R11/14with magnetic relief G01R11/16Adaptations of counters to electricity meters G01R11/17Compensating for errors Adjusting or regulating means therefor G01R11/18Compensating for variations in ambient conditions G01R11/185Temperature compensation G01R11/19Compensating for errors caused by disturbing torque G01R11/20Compensating for phase errors in induction meters G01R11/21Compensating for errors caused by damping effects of the current G01R11/22Adjusting torque G01R11/23Compensating for errors caused by friction G01R11/24Arrangements for avoiding or indicating fraudulent use G01R11/25Arrangements for indicating or signalling faults G01R11/30Dynamo-electric motor meters G01R11/32Watt-hour meters G01R11/34Ampere-hour meters G01R11/36Induction meters G01R11/38for single-phase operation G01R11/40for polyphase operation G01R11/42Circuitry therefor G01R11/46Electrically-operated clockwork meters Oscillatory meters Pendulum meters G01R11/465Oscillatory meters G01R11/48Meters specially adapted for measuring real or reactive components Meters specially adapted for measuring apparent energy G01R11/50for measuring real component G01R11/52for measuring reactive component G01R11/54for measuring simultaneously at least two of the following three variables: real component, reactive component, apparent energy G01R11/56Special tariff meters G01R11/57Multi-rate meters G01R11/58Tariff-switching devices therefor G01R11/60Subtraction meters Meters measuring maximum or minimum load hours G01R11/63Over-consumption meters G01R11/64Maximum meters G01R11/66Circuitry