G - Physics – 01 – R
Patent
G - Physics
01
R
324/34, 324/70,
G01R 21/133 (2006.01) G01R 11/24 (2006.01) G01R 21/00 (2006.01) G01R 21/06 (2006.01) G01R 21/08 (2006.01) G01R 22/00 (2006.01) G01R 35/04 (2006.01)
Patent
CA 2029936
17 Abstract of the Disclosure An arrangement for electrical measurement ascertains "subordinate" quantities, and is also "main" quantities with great accuracy and safety against falsification. An active energy to be measured is a main quantity, and a subordinate quantity is at least one of the following quantities: effective value of the voltage (u?) or of the current (i?), volt hours, volt square hours, ampere hours, ampere square hours, active power, reactive power, reactive energy, apparent output, apparent energy or power factor. The arrangement may comprise a voltage sensor (8), a voltage/current-converter (9), a multiplier (10), a current/voltage-converter (11), two analog/digital-converts (12 and 15), a signal/frequency-converter (13), a counter (14), an interface circuit (4), and an indicator (7), wherein the current/voltage-converter (11) consists of a constant current source (16) and a further multiplier (17).
de Vries Jacob
Lienhard Heinz
de Vries Jacob
Landis & Gyr Betreibs Ag
Lienhard Heinz
Swabey Ogilvy Renault
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