Voltage measurement device and voltage sensor
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United States of America Patent
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Jun 5, 2018
Issued Date -
Jun 2, 2016
app pub date -
Sep 11, 2015
filing date -
Dec 1, 2014
priority date (Note) -
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Abstract
A voltage measurement device is provided. The voltage measurement device includes a contact portion configured to contact an electric wire for transmitting an alternating current (AC) voltage and to output an induced voltage induced by the AC voltage in a surface of the electric wire, a capacitive element connected in series to the contact portion, and a controller configured to calculate amplitude of the AC voltage using the induced voltage output from the contact portion and a second voltage output from the capacitive element.
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