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Per Panel Photovoltaic Energy Extraction with Multilevel Output DC-DC Switched Capacitor Converters

Technology Benefits
-Substantial cost reduction and prolonged lifetime-Average total efficiencies of tracking and conversion greater than 93% for a 510 W, 3 panel, DC-DC system.
Technology Application
Widespread grid generation of PV
Detailed Technology Description
None
*Abstract
Problem:Electrolytic capacitors and per panel magnetics have limited lifetime and are expensive.Technology:This invention proposes per-panel Maximum Power Point Tracking (MPPT) for widespread solar arrays. A full system approach is presented, utilizing switched capacitor multi-level DC-DC and a central ripple-port inverter to replace the multiple inductors used in current PV technology.
Country/Region
USA

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