TechConnect Innovation Program

Transformer-less Inverters for Photovoltaic Systems

Arizona Technology Enterprises, Arizona, United States

TECHNOLOGY SUMMARY

This technology describes a lower cost and improved efficiency inverter that can be used to tie residential and commercial PV systems to the electric grid.

Primary Application Area: Renewable & Hydrogen Energy

Technology Development Status: Prototype

Technology Readiness Level: TRL 3

FIGURES OF MERIT

Value Proposition: More accurate tracking of maximum power point when compared with other transformer-less systems.
Improved conversion efficiency of about 2%.
Improved reliability and lifespan by eliminating electrolytic capacitors.
Safer - capacitive currents are eliminated without additional circuits, meeting some utility company requirements related to grounding.

SHOWCASE SUMMARY

Organization Type: Academic/Gov Lab

Showcase Booth #: 639

Website: www.azte.com

GOVT/EXTERNAL FUNDING SOURCES

Government Funding/Support to Date:

Primary Sources of Funding: University

Looking for: Development / License Partners