Module Integrated Maximum Power Point Tracking Charge Controllers - The Missing Link in Large Scale Photovoltaic Systems

Award Information
Agency: Department of Energy
Branch: N/A
Contract: DE-FG02-96ER82111
Agency Tracking Number: 34646
Amount: $750,000.00
Phase: Phase II
Program: SBIR
Awards Year: 1997
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Advanced Energy Systems, Inc.
P.O. Box 262, Wilton, NH, 03086
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Dr. Robert Wills
 President
 (603) 654-9322
Business Contact
 Dr. Robert Wills
Title: President
Phone: (603) 654-9322
Research Institution
N/A
Abstract
40887 November 13, 1996 Advanced Energy Systems, Inc. In photovoltaic energy systems, overcharging can be prevented by using a photovoltaic charge controller to regulate current flow from the photovoltaic array to the battery which stores the charge. This project will design, develop, and manufacture a new type of charge controller for photovoltaic (PV) power systems. The approach combines a DC-DC soft-switched boost converter, a microcontroller "brain", and line-carrier communications capability. Large-scale (> 2 kWp) stand-alone PV systems will have a simpler, more efficient and more reliable way of connecting PV modules to a battery bank. A custom Smart Power ASIC will be used for all analog circuitry, allowing a controller to be made that is small enough to fit inside a standard PV module junction box. Anticipated Results/Potential Commercial Applications as described by the awardee: The results should greatly reduce the cost and complexity of stand-alone PV system balance of system.

* information listed above is at the time of submission.

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