POWER MEASUREMENT IN A TWO-WIRE LOAD CONTROL DEVICE

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United States of America Patent

APP PUB NO 20190179354A1
SERIAL NO

16125376

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A two-wire load control device may be configured to compute an accurate estimate of real-time power consumption by a load that is electrically connected to, and controlled by, the two-wire load control device. The load control device may be adapted to measure a voltage drop across the device during a first portion of a half-cycle of an AC waveform provided to the device. The device may be further configured to estimate a voltage drop across the load during the second portion of the half-cycle. The estimated voltage drop may be based on the measured voltage drop. The device may be further configured to measure a current supplied to the load during a second portion of the half-cycle. The device may be configured to estimate power consumed by the load based on the measured current and the estimated voltage drop.

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Patent Owner(s)

Patent OwnerAddress
LUTRON TECHNOLOGY COMPANY LLC7200 SUTER ROAD COOPERSBURG PA 18036-1299

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blakeley, Matthew Robert Macungie, US 14 377
Zotter, William Coopersburg, US 8 33

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