PATENT CLAIM ANALYSIS

Application Number: 15989587
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-09
Patent Classification: ["307", "082000"]

Abstract:
A system for measuring the power or energy loss in a photovoltaic array due to soiling, which is the accumulation of dust, dirt, and/or other contaminants on the surfaces of photovoltaic modules, comprising: a pair of photovoltaic reference devices placed within or near the photovoltaic array and co-planar to the modules comprising the array, wherein one reference device is a module or cell similar to those of the array and is allowed to accumulate soiling at the natural rate, and wherein the second reference device is a module or a cell and is maintained clean; and a measurement and control unit which measures and compares the electrical outputs of the soiled reference device and the clean reference device in order to determine the fraction of power lost by the soiled reference module due to soiling.

Claim (Index 1):
A system for measuring electrical output loss in a photovoltaic array due to soiling, comprising:\n a pair of photovoltaic reference devices placed substantially proximate to the photovoltaic array and substantially co-planar to modules forming the array, said pair of photovoltaic reference devices comprising:\n a first reference device, designated as a soiled reference device, comprising a photovoltaic module or cell representative of a portion of the photovoltaic array, wherein the soiled reference device is allowed to accumulate soiling at a rate representative of the rate of soiling of the photovoltaic array; \n a second reference device, designated as a clean reference device, comprising a photovoltaic module or cell, wherein a sensing surface of said clean reference device is maintained substantially clean and free of accumulated soiling; \n a measurement unit for performing measurements of a subpart, wherein said subpart comprises said soiled reference device, said clean reference device, and combinations thereof;\n wherein said measurements of said soiled reference device comprise measurements of a first short-circuit current; and \n wherein said measurements of said clean reference device comprise measurements of a second short-circuit current; and \n a computing device, wherein said computing device analyzes said measurements associated with said subparts for determining a soiling impact analysis.

Metadata:
- Claim Count in Document: 71.0
- Percentile: 93.0
- Lexical Diversity: 2.08696
- Patent Class: 307.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15482291', '14381165', '15346495', '15495275', '15173821']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8166501202250129
- 35 USC 102 Novelty (BERT): 0.6008634991429262
- Combined Prediction Score: 0.7950714581168042
- Mean Citation Score: 407.5580319999999
- Max Citation Score: 514.5792
- Similarity Product: 507.6129172771455

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test