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Open AccessArticle

Emerging Zero-Standby Solutions for Miscellaneous Electric Loads and the Internet of Things

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Building Technology Urban Systems, Lawrence Berkeley National Lab, Berkeley, CA 94720, USA
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Electrical Engineering Computer Science, University of California, Berkeley, CA 94720, USA
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(5), 570; https://doi.org/10.3390/electronics8050570
Received: 17 April 2019 / Revised: 5 May 2019 / Accepted: 16 May 2019 / Published: 23 May 2019
(This article belongs to the Section Power Electronics)
Despite technical advances in efficiency, devices in standby continue to consume up to 16% of residential electricity. Finding practical, cost-effective reductions is difficult. While the per-unit power consumption has fallen, the number of units continuously drawing power continues to grow. This work reviews a family of technologies that can eliminate standby consumption in many types of electrical plug loads. It also investigates several solutions in detail and develops prototypes. First, burst mode and sleep transistors are established as building blocks for zero-standby solutions. This work then studies the application of two types of wake-up signals. The first is from an optical transmission, and is applicable to remote-controlled devices with a line-of-sight activation, such as set-top boxes, ceiling fans, and motorized curtains. The second is from a wake-up radio, and is applicable to any wireless products. No single technology will address all standby power situations; however, these emerging solutions appear to have broad applicability to save standby energy in miscellaneous plug loads. View Full-Text
Keywords: standby consumption; sleep transistor; energy harvesting; burst mode; wake-up radio standby consumption; sleep transistor; energy harvesting; burst mode; wake-up radio
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Gerber, D.L.; Meier, A.; Liou, R.; Hosbach, R. Emerging Zero-Standby Solutions for Miscellaneous Electric Loads and the Internet of Things. Electronics 2019, 8, 570.

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