Circuit arrangement comprising multiplier circuits to find the sum of electrical power outputs for application in multi-phase electricity meters
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United States of America Patent
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Aug 1, 1989
Grant Date -
N/A
app pub date -
Jul 28, 1988
filing date -
Aug 6, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A circuit arrangement for finding a sum of electrical power outputs for use in a multi-phase electricity meter is disclosed. The circuit arrangement comprises a plurality of multiplier circuits arranged in sequence. The sequence of multiplier circuits has two poles which form the output poles of the circuit arrangement. Each multiplier circuit comprises a Hall element, an amplifier, and a polarity reversing switch.
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