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Title: Systems and methods for photovoltaic string protection

A system and method includes a circuit for protecting a photovoltaic string. A bypass switch connects in parallel to the photovoltaic string and a hot spot protection switch connects in series with the photovoltaic string. A first control signal controls opening and closing of the bypass switch and a second control signal controls opening and closing of the hot spot protection switch. Upon detection of a hot spot condition the first control signal closes the bypass switch and after the bypass switch is closed the second control signal opens the hot spot protection switch.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1404711
Assignee:
The Board of Trustees of the University of Illinois ARPA-E
Patent Number(s):
9,799,779
Application Number:
14/475,985
Contract Number:
AR0000217
Resource Relation:
Patent File Date: 2014 Sep 03
Research Org:
The Board of Trustees of the University of Illinois, Urbana, IL (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 14 SOLAR ENERGY

Works referenced in this record: