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Anotace knihy

This document describes a repeatable test procedure that attempts to simulate shading situations, as would be experienced by typical residential rooftop photovoltaic (PV) systems. This type of shading test is particularly useful to evaluate the impact of different power conversion setups, including microinverters, DC power optimizers and string inverters, on overall system performance. The performance results are weighted based on annual estimates of shade to predict annual performance improvement. A trial run of the test procedure was conducted with a side by side comparison of a string inverter with a microinverter, both operating on identical 8kW solar arrays. Considering three different shade weighting conditions, the microinverter was found to increase production by 3.7% under light shading, 7.8% under moderate shading, and 12.3% under heavy shading, relative to the reference string inverter case. Detail is provided in this document to allow duplication of the test method at different test installations and for different power electronics devices.

Parametry knihy

Zařazení knihy Knihy v angličtině Society & social sciences Politics & government

• Plný název: Photovoltaic Shading Testbed for Module-Level Power Electronics.
• Autor: National Renewable Energy Laboratory (Nr
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 36
• EAN: 9781249127499
• ISBN: 9781249127499
• ID: 08116312
• Nakladatelství: Bibliogov
• Hmotnost: 82 g
• Rozměry: 246 × 189 × 2 mm
• Datum vydání: 20. July 2012

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