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Title: Methods for locating ground faults and insulation degradation condition in energy conversion systems

Methods for determining a ground fault or insulation degradation condition within energy conversion systems are described. A method for determining a ground fault within an energy conversion system may include, in part, a comparison of baseline waveform of differential current to a waveform of differential current during operation for a plurality of DC current carrying conductors in an energy conversion system. A method for determining insulation degradation within an energy conversion system may include, in part, a comparison of baseline frequency spectra of differential current to a frequency spectra of differential current transient at start-up for a plurality of DC current carrying conductors in an energy conversion system. In one embodiment, the energy conversion system may be a photovoltaic system.
Authors:
; ; ;
Publication Date:
OSTI Identifier:
1209350
Report Number(s):
9,103,865
13/726,730
DOE Contract Number:
EE0000572
Resource Type:
Patent
Resource Relation:
Patent File Date: 2012 Dec 26
Research Org:
General Electric Company, Niskayuna, NY (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
30 DIRECT ENERGY CONVERSION