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January 17, 2011

Mtg: LED Lighting for Commercial Users

by @ 5:37 am. Filed under ALL, Electrical/Power, Electronics Design, Optics/Displays

WEDNESDAY January 19, 2011
SCV Power & Energy and Industry Applications Chapter
Speaker: Ward Donnelly, Director of Sales and Business Development, AxcessDataSolutions LLC
Time: Dinner at 6:00 PM; Presentation at 7:00 PM
Cost: $25 IEEE members, $30 non members, $10 Students
Place: Biltmore Hotel, 2151 Laurelwood Road, Santa Clara
RSVP: by email to James Alvers,, 925-463-7115

Ongoing initiatives for energy conservation present the need for ubiquitous sensing of electrical power use in residential and commercial settings.? Our ageing power grid infrastructure requires a multitude of diagnostic sensors to detect (and help mitigate) forthcoming equipment failures, as well as to relay information about faults that have already occurred.? Inexpensive and massively distributed sensors that measure electrical quantities in transmission and distribution circuits are needed to improve the utilization power grid assets with intermittency cause by higher use of renewable energy resources.? Clearly, a staggering number of sensors is needed to fully instrument the grid, while presently available sensing solutions are cost-prohibitive for such a large scale deployment.? In this talk, I will present our ongoing work towards developing inexpensive, self-powered MEMS sensor modules that can be fabricated in large quantities using non-traditional MEMS techniques that enable very large-volume fabrication.? These modules will measure electrical quantities such as voltage, current, power factor and diagnostic parameters using a suite of MEMS sensors, and will scavenge the energy needed for their operation from the current flowing in the nearby energized conductor.? Their projected small size (3.5 cm x 1.5 cm x 1 cm) combined with novel MEMS fabrication and packaging technologies, as well as wafer-level integration, allows us to dramatically reduce the fabrication and installation cost of these modules, enabling their massive deployment.

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