Power measurement apparatus
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United States of America Patent
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Jun 27, 2017
Grant Date -
Apr 30, 2015
app pub date -
Mar 19, 2013
filing date -
Mar 27, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A power measurement apparatus configured to measure power consumed at a load, the apparatus includes a magnetic film module, an adjuster, a measurement resistance, and a voltage detector. The magnetic film module is arranged so that a longitudinal direction of the magnetic film module is parallel to current flowing in the load. The adjuster is configured to adjust a pass-frequency and a phase of a voltage at one terminal of the magnetic film module. The measurement resistance is serial-connected to the magnetic film module. The voltage detector is configured to detect a voltage between both terminals of the magnetic film module.
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